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Dr. John P. Williams, DO

(No ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of New England, College of Osteopathic Medicine (1989)

1712 S Main Street Suite C
Willits, CA 95490

(707) 459-5585

Dr. John P. Williams, DO is an internist in Willits, CA specializing in internal medicine (adult medicine). He graduated from University of New England, College of Osteopathic Medicine in 1989 and has 37 years of experience.

Office Locations

1712 S Main Street Suite C
Willits, CA 95490

(707) 459-5585

(707) 459-3548

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Noteworthy Medicare Patient Procedures Performed by Dr. John P. Williams, DO in 2023

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

Top 5%

By Affordability:

complementary or alternative therapy

In 2023, Dr. John P. Williams, DO had a list price for complementary or alternative therapy that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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 Affordability:

A1C test

diabetes screening

glycated protein test

manipulation

manipulative therapy

manual therapy

mental health screening

osteopathic manipulation

osteopathic medicine

In 2012, Dr. John P. Williams, DO had a list price for A1C test, diabetes screening, glycated protein test, manipulation, manipulative therapy, manual therapy, mental health screening, osteopathic manipulation, and osteopathic medicine that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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. John P. Williams, DO treated as an internist in Willits, CA during 2012 were lab tests, preventive care, nursing home care and vaccines.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	38
blood draw	53
complementary or alternative therapy	95
diabetes management	92
doctor visit	2168
hospital care	115
injections	38
inpatient care	115
lab tests	294
manual therapy	95
nursing home care	273
osteopathic medicine	95
preventive care	275
removal of lesion (e.g. growth)	48
skin procedures	48
vaccines	156

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2013 were lab tests, nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	46
blood draw	75
complementary or alternative therapy	71
diabetes management	89
doctor visit	2118
ear procedures	12
hormone therapy	76
hospital care	103
injections	122
inpatient care	103
lab tests	278
manual therapy	71
nursing home care	236
osteopathic medicine	71
preventive care	211
removal of lesion (e.g. growth)	19
skin procedures	19
vaccines	122

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	169
Female	224

**Ethnicity**
Non-Hispanic White	351
Black	0
Hispanic	0
Asian	0
Other	0
Native American	19

**Age**
From 65 to 74	147
From 75 to 84	77
85 and over	77
Less than 65	92

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2013

Hypertension	71
High Cholesterol	42
Stroke	7
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	17
Asthma	16
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	16
Cancer	6

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2014 were lab tests, nursing home care, preventive care and injections.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	43
complementary or alternative therapy	29
diabetes management	72
doctor visit	2311
hormone therapy	79
hospital care	92
injections	122
inpatient care	92
lab tests	244
manual therapy	29
nursing home care	218
osteopathic medicine	29
preventive care	163
removal of lesion (e.g. growth)	21
skin procedures	21
vaccines	91

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	171
Female	235

**Ethnicity**
Non-Hispanic White	365
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	100
85 and over	57
Less than 65	103

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2014

Hypertension	70
High Cholesterol	43
Stroke	6
Ischemic Heart Disease	25
Depression	30
Chronic Kidney Disease	19
Asthma	13
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	27
Chronic Obstructive Pulmonary Disease	17
Diabetes	41
Dementia	19
Cancer	6

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2015 were injections, hormone therapy, nursing home care and lab tests.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	45
diabetes management	43
doctor visit	2346
hormone therapy	29098
hospital care	116
injections	29143
inpatient care	116
lab tests	213
nursing home care	356
preventive care	138
removal of lesion (e.g. growth)	18
skin procedures	18
vaccines	95

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	368
Female	490

**Ethnicity**
Non-Hispanic White	764
Black	0
Hispanic	50
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	214
85 and over	126
Less than 65	214

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2015

Hypertension	71
High Cholesterol	42
Stroke	7
Ischemic Heart Disease	27
Depression	34
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	44
Dementia	19
Cancer	5

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2016 were injections, hormone therapy, nursing home care and lab tests.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	26
complementary or alternative therapy	28
diabetes management	24
doctor visit	2025
hormone therapy	17104
hospital care	13
injections	17130
inpatient care	13
lab tests	103
manual therapy	28
nursing home care	196
osteopathic medicine	28
preventive care	69
vaccines	45

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	149
Female	201

**Ethnicity**
Non-Hispanic White	319
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	81
85 and over	39
Less than 65	88

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2016

Hypertension	66
High Cholesterol	25
Stroke	5
Ischemic Heart Disease	21
Depression	33
Chronic Kidney Disease	19
Asthma	19
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	21
Diabetes	46
Dementia	16
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2017 were injections, hormone therapy, nursing home care and lab tests.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	26
complementary or alternative therapy	132
doctor visit	2180
hormone therapy	18830
hospital care	12
injections	18856
inpatient care	12
lab tests	191
manual therapy	132
nursing home care	232
osteopathic medicine	132

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	142
Female	198

**Ethnicity**
Non-Hispanic White	308
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	77
85 and over	46
Less than 65	90

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2017

Hypertension	68
High Cholesterol	17
Stroke	4
Ischemic Heart Disease	25
Depression	29
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	24
Chronic Obstructive Pulmonary Disease	23
Diabetes	47
Dementia	19
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2018 were osteopathic medicine, manual therapy, complementary or alternative therapy and nursing home care.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	51
complementary or alternative therapy	407
diabetes management	64
doctor visit	2513
injections	51
lab tests	237
manual therapy	407
nursing home care	273
osteopathic medicine	407
preventive care	183

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	144
Female	204

**Ethnicity**
Non-Hispanic White	311
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	69
85 and over	47
Less than 65	85

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2018

Hypertension	68
High Cholesterol	21
Stroke	4
Ischemic Heart Disease	25
Depression	45
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	46
Dementia	19
Cancer	6

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2019 were preventive care, nursing home care, osteopathic medicine and manual therapy.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	27
blood draw	114
complementary or alternative therapy	260
diabetes management	41
doctor visit	2615
injections	27
lab tests	175
manual therapy	260
nursing home care	268
osteopathic medicine	260
preventive care	822
removal of lesion (e.g. growth)	13
skin procedures	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	163
Female	211

**Ethnicity**
Non-Hispanic White	337
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	72
85 and over	54
Less than 65	83

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2019

Hypertension	70
High Cholesterol	32
Stroke	5
Ischemic Heart Disease	26
Depression	58
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	49
Dementia	19
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2020 were preventive care, nursing home care, lab tests and osteopathic medicine.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	28
blood draw	49
complementary or alternative therapy	77
diabetes management	24
doctor visit	1951
injections	28
lab tests	114
manual therapy	77
nursing home care	165
osteopathic medicine	77
preventive care	252

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	129
Female	187

**Ethnicity**
Non-Hispanic White	282
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	64
85 and over	42
Less than 65	68

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2020

Hypertension	61
High Cholesterol	23
Stroke	7
Ischemic Heart Disease	25
Depression	49
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	54
Dementia	18
Cancer	5

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2021 were nursing home care, preventive care, lab tests and blood draw.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	28
blood draw	91
complementary or alternative therapy	87
diabetes management	73
doctor visit	2106
injections	28
lab tests	134
manual therapy	87
nursing home care	284
osteopathic medicine	87
preventive care	156
removal of lesion (e.g. growth)	19
skin procedures	19

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	145
Female	189

**Ethnicity**
Non-Hispanic White	300
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	73
85 and over	38
Less than 65	59

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2021

Hypertension	73
High Cholesterol	26
Stroke	8
Ischemic Heart Disease	28
Depression	34
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	51
Dementia	19
Cancer	5

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA during 2022 were nursing home care, lab tests, osteopathic medicine and manual therapy.

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

aspiration	12
blood draw	50
complementary or alternative therapy	93
diabetes management	44
doctor visit	1794
injections	12
lab tests	95
manual therapy	93
nursing home care	558
osteopathic medicine	93
preventive care	75

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	187
Female	211

**Ethnicity**
Non-Hispanic White	353
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	114
85 and over	60
Less than 65	58

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2022

Hypertension	75
High Cholesterol	43
Stroke	14
Ischemic Heart Disease	21
Depression	33
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	19
Atrial Fibrilation	25
Heart Failure	30
Chronic Obstructive Pulmonary Disease	30
Diabetes	53
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John P. Williams, DO for Medicare patients.

The highest averages for the top procedures that Dr. John P. Williams, DO treated as an internist in Willits, CA were hormone therapy, injections, nursing home care and preventive care.

aspiration	33
blood draw	72
complementary or alternative therapy	127
diabetes management	56
doctor visit	2193
ear procedures	12
hormone therapy	13037
hospital care	75
injections	5959
inpatient care	75
lab tests	188
manual therapy	127
nursing home care	278
osteopathic medicine	127
preventive care	234
removal of lesion (e.g. growth)	23
skin procedures	23
vaccines	101

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John P. Williams, DO.

**Gender**
Male	160
Female	213

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	335
Native American / Alaskan Native	1
Hispanic	18
Other	0

**Age**
75 to 84	85
85 and over	53
Less than 65	85
65 to 74	150

Average of Total of Conditions of Medicare patients treated by Dr. John P. Williams, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John P. Williams, DO treated were hypertension, diabetes, depression and high cholesterol.

Hypertension	63
High Cholesterol	28
Stroke	6
Ischemic Heart Disease	22
Depression	33
Chronic Kidney Disease	20
Asthma	11
Osteoporosis	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Atrial Fibrillation	11
Dementia	16
Cancer	5

Education & Training

Dr. John P. Williams, DO graduated from University of New England, College of Osteopathic Medicine in 1989. He has a state license in California.

Medical School: University of New England, College of Osteopathic Medicine (1989)

Licensed In: California

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John P. Williams, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$1,988 Ozempic $860	RYBELSUS $816	Xultophy 100/3.6 $140	Victoza $87	Tresiba $74	Other $11
Pfizer Inc.	$644 XELJANZ $358	LYRICA $126	CELEBREX $33	EMBEDA $29	FLECTOR PATCH $29	Other $69
AstraZeneca Pharmaceuticals LP	$622 FARXIGA $215	SYMBICORT $123	BYDUREON $99	BYDUREON WEEKLY $67	MOVANTIK $38	Other $80
Janssen Pharmaceuticals, Inc	$525 INVOKANA $297	XARELTO $228
AbbVie Inc.	$493 VRAYLAR $437	UBRELVY $39	Creon $18
Other	$4,423 VRAYLAR $395	LATUDA $337	JARDIANCE $287	Kerendia $253	Trintellix $171	Other $2,980

**Types of Payments**
Food and Beverage	$8,487
Education	$208

Select Year:

Dr. John P. Williams, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John P. Williams, DO in 2023

By Affordability:

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. John P. Williams, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John P. Williams, DO 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. John P. Williams, DO From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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