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Dr. Frederick Joseph Kretzschmar, MD

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Specializes in: Nuclear Medicine and Pathology

Vanderbilt University School of Medicine

250 Bon Air Road
Greenbrae, CA 94904

(415) 925-7174

Dr. Frederick Joseph Kretzschmar, MD is a nuclear medicine specialist in Novato, CA specializing in nuclear medicine and pathology. He graduated from Vanderbilt University School of Medicine. Dr. Frederick Joseph Kretzschmar, MD is affiliated with Marin General Hospital.

Office Locations

1615 Hill Road Suite B
Novato, CA 94947

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250 Bon Air Road
Greenbrae, CA 94904

(415) 925-7174

(415) 898-0870

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Noteworthy Medicare Patient Procedures Performed by Dr. Frederick Joseph Kretzschmar, MD in 2023

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

Top 5%

By Volume:

cytology

non-gynecologic liquid-based cytology

In 2023, Dr. Frederick Joseph Kretzschmar, MD performed more cytology, and non-gynecologic liquid-based cytology procedures for Medicare patients than 95% of providers in related specialties within California.

Top 10%

By Volume:

lab tests

In 2023, Dr. Frederick Joseph Kretzschmar, MD performed more lab tests procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Affordability:

immunohistochemistry test

In 2012, Dr. Frederick Joseph Kretzschmar, MD had a list price for immunohistochemistry (IHC) test 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. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2012 were lab tests, cytology, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

consultation	20
cytology	964
gynecologic pathology	748
lab tests	1174
musculoskeletal imaging	928
preventive care	418
X-rays	928

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2013 were lab tests, X-rays, musculoskeletal imaging and cytology.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

bone marrow tests	11
cytology	974
diagnostic procedures	11
gynecologic pathology	738
lab tests	1135
musculoskeletal imaging	1030
preventive care	430
X-rays	1030

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	593
Female	2120

**Ethnicity**
Non-Hispanic White	2445
Black	0
Hispanic	82
Asian	81
Other	67
Native American	0

**Age**
From 65 to 74	1567
From 75 to 84	672
85 and over	272
Less than 65	202

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2013

Hypertension	45
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	10
Asthma	6
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2014 were X-rays, musculoskeletal imaging, cytology and lab tests.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	909
gynecologic pathology	641
lab tests	874
musculoskeletal imaging	1048
preventive care	324
X-rays	1048

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	569
Female	2052

**Ethnicity**
Non-Hispanic White	2343
Black	0
Hispanic	84
Asian	85
Other	77
Native American	0

**Age**
From 65 to 74	1488
From 75 to 84	670
85 and over	257
Less than 65	206

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2014

Hypertension	44
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	11
Asthma	6
Osteoperosis	17
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	15
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2015 were X-rays, musculoskeletal imaging, lab tests and cytology.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	904
gynecologic pathology	635
lab tests	951
musculoskeletal imaging	1384
preventive care	396
X-rays	1384

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	1456
Female	4502

**Ethnicity**
Non-Hispanic White	5324
Black	0
Hispanic	182
Asian	180
Other	190
Native American	0

**Age**
From 65 to 74	3456
From 75 to 84	1598
85 and over	570
Less than 65	334

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2015

Hypertension	44
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	17
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2016 were lab tests, cytology, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	660
gynecologic pathology	447
lab tests	662
musculoskeletal imaging	501
preventive care	252
X-rays	501

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	1469
Female	2306

**Ethnicity**
Non-Hispanic White	3472
Black	0
Hispanic	78
Asian	74
Other	116
Native American	0

**Age**
From 65 to 74	1952
From 75 to 84	1146
85 and over	506
Less than 65	171

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2016

Hypertension	48
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	24
Depression	14
Chronic Kidney Disease	15
Asthma	8
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	16
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2017 were lab tests, cytology, gynecologic pathology and preventive care.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	579
gynecologic pathology	399
lab tests	763
preventive care	318

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	1152
Female	1570

**Ethnicity**
Non-Hispanic White	2457
Black	0
Hispanic	66
Asian	60
Other	114
Native American	0

**Age**
From 65 to 74	1438
From 75 to 84	824
85 and over	305
Less than 65	155

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2017

Hypertension	44
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2018 were lab tests, cytology, gynecologic pathology and preventive care.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

consultation	26
cytology	540
gynecologic pathology	400
lab tests	760
preventive care	336

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	590
Female	1160

**Ethnicity**
Non-Hispanic White	1549
Black	0
Hispanic	59
Asian	34
Other	79
Native American	0

**Age**
From 65 to 74	968
From 75 to 84	505
85 and over	138
Less than 65	139

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2018

Hypertension	45
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	5
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2019 were lab tests, cytology, gynecologic pathology and preventive care.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	491
gynecologic pathology	374
lab tests	914
preventive care	346

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	538
Female	1063

**Ethnicity**
Non-Hispanic White	1416
Black	0
Hispanic	54
Asian	42
Other	70
Native American	0

**Age**
From 65 to 74	858
From 75 to 84	500
85 and over	132
Less than 65	111

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2019

Hypertension	48
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	15
Dementia	7
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	107
lab tests	570

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	475
Female	549

**Ethnicity**
Non-Hispanic White	903
Black	0
Hispanic	36
Asian	23
Other	48
Native American	0

**Age**
From 65 to 74	538
From 75 to 84	350
85 and over	93
Less than 65	43

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2020

Hypertension	52
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	8
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	126
lab tests	612

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	592
Female	701

**Ethnicity**
Non-Hispanic White	1124
Black	0
Hispanic	39
Asian	40
Other	73
Native American	0

**Age**
From 65 to 74	640
From 75 to 84	480
85 and over	124
Less than 65	49

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2021

Hypertension	54
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	7
Cancer	22

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

consultation	14
cytology	117
lab tests	419

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	500
Female	618

**Ethnicity**
Non-Hispanic White	969
Black	20
Hispanic	40
Asian	0
Other	67
Native American	0

**Age**
From 65 to 74	555
From 75 to 84	439
85 and over	82
Less than 65	42

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2022

Hypertension	62
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	17
Dementia	4
Cancer	29

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA during 2023 were lab tests and cytology.

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

cytology	104
lab tests	705

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Male	504
Female	652

**Ethnicity**
Non-Hispanic White	1006
Black	0
Hispanic	38
Asian	33
Other	64
Native American	0

**Age**
From 65 to 74	559
From 75 to 84	457
85 and over	108
Less than 65	32

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2023

Hypertension	61
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	18
Atrial Fibrilation	18
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	17
Dementia	4
Cancer	31

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Frederick Joseph Kretzschmar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Frederick Joseph Kretzschmar, MD treated as a nuclear medicine specialist in Novato, CA were X-rays, musculoskeletal imaging, lab tests and gynecologic pathology.

bone marrow tests	11
consultation	20
cytology	539
diagnostic procedures	11
gynecologic pathology	547
lab tests	794
musculoskeletal imaging	978
preventive care	352
X-rays	978

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD.

**Gender**
Female	1441
Male	703

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	54
Non-Hispanic White	1917
Native American / Alaskan Native	0
Hispanic	63
Other	80

**Age**
75 to 84	636
85 and over	215
Less than 65	123
65 to 74	1168

Average of Total of Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Frederick Joseph Kretzschmar, MD treated were high cholesterol, hypertension, ischemic heart disease and cancer.

Hypertension	45
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	15
Asthma	6
Osteoporosis	12
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	14
Atrial Fibrillation	10
Dementia	5
Cancer	17

Education & Training

Dr. Frederick Joseph Kretzschmar, MD graduated from Vanderbilt University School of Medicine. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He is certified by the American Board of Pathology and has a state license in California.

Medical School: Vanderbilt University School of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: American Board of Pathology

Licensed In: California

Affiliations & Hospitals

Dr. Frederick Joseph Kretzschmar, MD is associated with these hospitals and organizations:

Marin General Hospital

Ratings & Reviews

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Biography

Dr. Frederick Kretzchmar's medical specialty is nuclear medicine and pathology. He is professionally affiliated with Marin General Hospital. Dr. Kretzchmar graduated from Vanderbilt University School of Medicine and then he performed his residency at a hospital affiliated with the University of California, San Francisco (UCSF). He has received the distinction of California Society of Pathologists Board of Directors.

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Dr. Frederick Joseph Kretzschmar, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Frederick Joseph Kretzschmar, MD in 2023

By Volume:

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. Frederick Joseph Kretzschmar, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Frederick Joseph Kretzschmar, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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