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Dr. William Douglas Knopf, MD

Accepting New Patients

(Dr. William Knopf)

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Specializes in: Cardiology (Heart Disease) and Interventional Cardiology

Emory University School of Medicine (1979)

6070 Lakeside Commons Drive
Macon, GA 31210

(478) 254-2644

Dr. William Douglas Knopf, MD is a cardiologist in Macon, GA specializing in cardiology (heart disease) and interventional cardiology. He graduated from Emory University School of Medicine in 1979 and has 47 years of experience. Dr. William Douglas Knopf, MD is affiliated with Piedmont Healthcare, Atrium Health Navicent, AHN, The Medical Center, Middle Georgia heart, COFFEE REGIONAL MEDICAL CENTER INC, MIDDLE GEORGIA HEART AND VASCULAR CENTER, LLC and CRH PHYSICIAN PRACTICES, LLC.

Office Locations

6070 Lakeside Commons Drive
Macon, GA 31210

open_in_new

In The News

“William Knopf, an interventional cardiologist at St. Joseph's Hospital in Atlanta, said the recent furor about potential overuse is a matter of economics.”—"Stents equal drugs for many heart patients-study", NBC News, March 2007

Noteworthy Medicare Patient Procedures Performed by Dr. William Douglas Knopf, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

blood tests

cardiac stress testing

cardiac procedures

carotid duplex ultrasound

Doppler echocardiography

echocardiogram

lipid profile

myocardial perfusion SPECT

In 2023, Dr. William Douglas Knopf, MD performed more blood tests, cardiac (heart) stress testing, cardiac procedures, carotid duplex ultrasound, Doppler echocardiography, echocardiogram (echo), lipid profile, myocardial perfusion SPECT, nuclear scan, stress EKG, thyroid blood test, and ultrasound (sonogram) procedures for Medicare patients than 95% of providers in related specialties within Georgia.

Top 10%

By Volume:

complete blood count

vascular procedures

By Affordability:

ambulatory cardiac monitoring

blood count tests

In 2023, among providers in related specialties within Georgia, Dr. William Douglas Knopf, MD performed more complete blood count (CBC), and vascular procedures procedures for Medicare patients than 90% of them and he also had a list price for ambulatory cardiac monitoring, and blood count tests that was lower than the list prices billed to Medicare by 90% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

cardiac catheterization

vascular ultrasound

By Affordability:

ambulatory monitoring

complete blood count

hospital care

inpatient care

inpatient hospital care

magnesium test

In 2012, among providers in related specialties within Georgia, Dr. William Douglas Knopf, MD performed more cardiac catheterization, and vascular ultrasound procedures for Medicare patients than 75% of them and he also had a list price for ambulatory monitoring, complete blood count (CBC), hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and magnesium test that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2012 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

blood draw	46
cardiac procedures	29
catheterization	29
diagnostic procedures	15
doctor visit	313
hospital care	46
inpatient care	46
lab tests	131
minimally invasive procedures	29
stent placement (stenting)	14
vascular procedures	15

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

doctor visit	50

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	39
Female	20

**Age**
From 65 to 74	22
From 75 to 84	24
85 and over	13
Less than 65	0

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	34
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2016 were cardiac procedures, ultrasound (sonogram), stress testing and minimally invasive procedures.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

angioplasty	166
cardiac procedures	1279
catheterization	370
diagnostic procedures	104
doctor visit	764
emergency care	17
hospital care	254
inpatient care	239
minimally invasive procedures	370
outpatient care	15
stent placement (stenting)	166
stress testing	420
ultrasound (sonogram)	822
vascular procedures	191

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	608
Female	560

**Ethnicity**
Non-Hispanic White	1051
Black	0
Hispanic	27
Asian	0
Other	0
Native American	67

**Age**
From 65 to 74	463
From 75 to 84	420
85 and over	167
Less than 65	118

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2016

Hypertension	75
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	57
Depression	26
Chronic Kidney Disease	39
Asthma	26
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2017 were cardiac procedures, ultrasound (sonogram), minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

angioplasty	170
cardiac procedures	747
catheterization	320
diagnostic procedures	65
doctor visit	406
hospital care	146
inpatient care	146
minimally invasive procedures	320
nuclear scan	23
stent placement (stenting)	170
stress testing	163
ultrasound (sonogram)	338
vascular procedures	131

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	459
Female	399

**Ethnicity**
Non-Hispanic White	757
Black	16
Hispanic	17
Asian	0
Other	11
Native American	57

**Age**
From 65 to 74	345
From 75 to 84	296
85 and over	120
Less than 65	97

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2017

Hypertension	75
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	64
Depression	29
Chronic Kidney Disease	46
Asthma	8
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	39
Chronic Obstructive Pulmonary Disease	30
Diabetes	38
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2018 were cardiac procedures, minimally invasive procedures, catheterization and inpatient care.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

ambulatory monitoring	32
angioplasty	446
cardiac procedures	2460
catheterization	1039
diagnostic procedures	311
doctor visit	1977
hospital care	864
inpatient care	864
lab tests	103
minimally invasive procedures	1039
nuclear scan	338
stent placement (stenting)	486
stress testing	660
ultrasound (sonogram)	778
vascular procedures	397

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	996
Female	879

**Ethnicity**
Non-Hispanic White	1588
Black	258
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	703
From 75 to 84	662
85 and over	284
Less than 65	226

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	68
Depression	23
Chronic Kidney Disease	49
Asthma	8
Osteoperosis	6
Atrial Fibrilation	25
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	46
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2019 were cardiac procedures, ultrasound (sonogram), minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

ambulatory monitoring	42
angioplasty	422
cardiac procedures	3000
cardioversion	12
catheterization	1029
diagnostic procedures	318
doctor visit	2059
hospital care	937
inpatient care	937
lab tests	75
minimally invasive procedures	1029
nuclear scan	363
stent placement (stenting)	484
stress testing	799
ultrasound (sonogram)	1291
vascular procedures	493

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	921
Female	818

**Ethnicity**
Non-Hispanic White	1409
Black	305
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	668
From 75 to 84	627
85 and over	250
Less than 65	194

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	69
Depression	23
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	6
Atrial Fibrilation	25
Heart Failure	36
Chronic Obstructive Pulmonary Disease	26
Diabetes	44
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2020 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

ambulatory monitoring	25
angioplasty	278
cardiac procedures	2531
catheterization	630
diagnostic procedures	213
doctor visit	2472
hospital care	1177
inpatient care	1177
lab tests	81
minimally invasive procedures	630
nuclear scan	319
stent placement (stenting)	278
stress testing	710
ultrasound (sonogram)	1279
vascular procedures	326

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	1200
Female	1089

**Ethnicity**
Non-Hispanic White	1869
Black	365
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	1035
From 75 to 84	775
85 and over	295
Less than 65	184

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	59
Depression	22
Chronic Kidney Disease	48
Asthma	7
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	41
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2021 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

abdominal imaging	13
angioplasty	152
blood draw	37
cardiac procedures	1988
catheterization	376
diagnostic procedures	148
doctor visit	2889
hospital care	714
inpatient care	714
lab tests	1007
minimally invasive procedures	376
nuclear scan	333
pelvic imaging	13
preventive care	177
stent placement (stenting)	152
stress testing	739
thyroid function tests	62
ultrasound (sonogram)	943
vascular procedures	218

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	1032
Female	942

**Ethnicity**
Non-Hispanic White	1557
Black	359
Hispanic	25
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	848
From 75 to 84	646
85 and over	293
Less than 65	187

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	63
Depression	24
Chronic Kidney Disease	54
Asthma	7
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	43
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA during 2022 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

abdominal imaging	20
angioplasty	120
cardiac procedures	1942
cardioversion	15
catheterization	284
chronic care	550
diabetes management	29
diagnostic procedures	104
doctor visit	2919
hospital care	460
inpatient care	460
lab tests	1303
minimally invasive procedures	284
nuclear scan	271
pelvic imaging	20
preventive care	216
stent placement (stenting)	120
stress testing	592
thyroid function tests	91
ultrasound (sonogram)	1202
vascular procedures	240

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	944
Female	877

**Ethnicity**
Non-Hispanic White	1502
Black	276
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	719
From 75 to 84	664
85 and over	310
Less than 65	128

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	58
Depression	21
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	12
Atrial Fibrilation	36
Heart Failure	32
Chronic Obstructive Pulmonary Disease	24
Diabetes	43
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William Douglas Knopf, MD for Medicare patients.

The highest averages for the top procedures that Dr. William Douglas Knopf, MD treated as a cardiologist in Macon, GA were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

abdominal imaging	16
ambulatory monitoring	33
angioplasty	250
blood draw	41
cardiac procedures	1747
cardioversion	13
catheterization	509
chronic care	550
diabetes management	29
diagnostic procedures	159
doctor visit	1538
emergency care	17
hospital care	574
inpatient care	572
lab tests	450
minimally invasive procedures	509
nuclear scan	274
outpatient care	15
pelvic imaging	16
preventive care	196
stent placement (stenting)	233
stress testing	583
thyroid function tests	76
ultrasound (sonogram)	950
vascular procedures	251

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William Douglas Knopf, MD.

**Gender**
Male	688
Female	620

**Ethnicity**
Black / African American	175
Asian / Pacific Islander	0
Non-Hispanic White	1081
Native American / Alaskan Native	13
Hispanic	7
Other	10

**Age**
75 to 84	457
85 and over	192
Less than 65	126
65 to 74	533

Average of Total of Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. William Douglas Knopf, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	66
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	57
Depression	18
Chronic Kidney Disease	40
Asthma	8
Osteoporosis	6
Heart Failure	30
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Atrial Fibrillation	22
Dementia	10
Cancer	9

Education & Training

Dr. William Douglas Knopf, MD graduated from Emory University School of Medicine in 1979. He completed residency at Parkland Health & Hospital System. He is certified by the American Board of Internal Medicine American Board of Internal Medicine - Cardiovascular Disease American Board of Internal Medicine - Interventional Cardiology and has a state license in Georgia.

Medical School: Emory University School of Medicine (1979)

Residency: Parkland Health & Hospital System (1982)

Board Certification: American Board of Internal Medicine American Board of Internal Medicine - Cardiovascular Disease American Board of Internal Medicine - Interventional Cardiology

Licensed In: Georgia

Affiliations & Hospitals

Dr. William Douglas Knopf, MD is associated with these hospitals and organizations:

Piedmont Healthcare

Atrium Health Navicent

AHN, The Medical Center

Middle Georgia heart

COFFEE REGIONAL MEDICAL CENTER INC

MIDDLE GEORGIA HEART AND VASCULAR CENTER, LLC

CRH PHYSICIAN PRACTICES, LLC

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. William Douglas Knopf, MD appears to accept the following insurance providers: WellCare, MultiPlan, Amerigroup Spec, Aetna, UHC, Three Rivers, Humana, Coventry, CIGNA, PHCS, BeechStreet, Kaiser Permanente, Alliant Health Plans, CareSource Specialists, Peachstate Spec, Pruitt Health, Clear Spring Health Medicare, IBG, Clover Health, BCBS of Ga, Ambetter Individual/Family Exchange, SecureHealth Bibb, Georgia Health Advantage, NovaNet, Aetna Medicare, Humana Medicare Advantage, LifeWell Health Plans and Pruitt Health Premier (AllyAlign).

Insurance Accepted by Provider includes:

According to our sources, Dr. William Douglas Knopf, MD accepts the following insurance providers:

WellCare

MultiPlan

Amerigroup Spec

Aetna

UHC

Three Rivers

Humana

Coventry

CIGNA

PHCS

BeechStreet

Kaiser Permanente

Alliant Health Plans

CareSource Specialists

Peachstate Spec

Pruitt Health

Clear Spring Health Medicare

IBG

Clover Health

BCBS of Ga

Ambetter Individual/Family Exchange

SecureHealth Bibb

Georgia Health Advantage

NovaNet

Aetna Medicare

Humana Medicare Advantage

LifeWell Health Plans

Pruitt Health Premier (AllyAlign)

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. William Douglas Knopf, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
St. Jude Medical, Inc.	$93,289 Vascular $93,289
The Medicines Company	$72,141 ANGIOMAX $374	KENGREAL $111	$71,655
Semler Scientific, Inc.	$40,000 $40,000
Medtronic Vascular, Inc.	$5,358 Resolute $4,459	Euphora $619	Micra $105	Integrity $84	Everest Inflation Device $76	Other $13
Boston Scientific Corporation	$2,150 GENERAL - VASCULAR ACCESS $1,879	Jetstream $82	Vascular Access $53	WATCHMAN Access System $33	RESONATE $27	Other $75
Other	$4,094 LifeVest $631	Edwards SAPIEN 3 Transcatheter Heart Valve $443	ENTRESTO $288	BRILINTA $203	ABSORB $164	Other $2,365

**Types of Payments**
Consulting Fee	$111,790
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$97,414
Food and Beverage	$4,988
Travel and Lodging	$2,688
Education	$152

Ownership and Interest Payments

This table describes ownership payments received by Dr. William Douglas Knopf, MD.

Interventional Spine, Inc.	2015	$68,949.10	Physician Covered Recipient	stock
Interventional Spine, Inc.	2016	$68,949.10	Physician Covered Recipient	stock
Interventional Spine, Inc.	2013	$68,949.10	Physician Covered Recipient	stock
Interventional Spine, Inc.	2014	$68,949.10	Physician Covered Recipient	stock

Biography

Dr. William Knopf, who practices in Macon, GA, Waycross, GA, and - Macon, GA, is a medical specialist in interventional cardiology. He usually honors Amerigroup, Coventry, and Viant, in addition to other insurance carriers. Before performing his residency at Parkland Health & Hospital System and a hospital affiliated with the University of Texas Health Science Center at San Antonio, Dr. Knopf attended Emory University School of Medicine. He is professionally affiliated with Piedmont Healthcare and Atrium Health Navicent. Piedmont Healthcare reports that he is accepting new patients at his office in Macon, GA.

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Dr. William Douglas Knopf, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. William Douglas Knopf, MD in 2023

By Volume:

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2013

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. William Douglas Knopf, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Ownership and Interest Payments

Biography

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