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Home > CA Providers > Neurosurgeons

Dr. Philip V. Theodosopoulos, MD

Accepting New Patients

(321 Ratings)

Specializes in: Physician and Neurosurgery

Stanford University School of Medicine

Professional interests include: skull base tumors

400 Parnassus Avenue Eighth Floor
San Francisco, CA 94143

(415) 353-7500

Dr. Philip V. Theodosopoulos, MD is a physician provider in San Francisco, CA specializing in physician and neurosurgery. He graduated from Stanford University School of Medicine. Dr. Philip V. Theodosopoulos, MD is affiliated with UCSF Health and Brain Tumor Center.

Office Locations

400 Parnassus Avenue Eighth Floor
San Francisco, CA 94143

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400 Parnassus Avenue Floor 8
San Francisco, CA 94143

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Noteworthy Medicare Patient Procedures Performed by Dr. Philip V. Theodosopoulos, MD in 2024

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

Top 5%

By Volume:

cranial radiosurgery

In 2024, Dr. Philip V. Theodosopoulos, MD performed more cranial radiosurgery procedures for Medicare patients than 95% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2012 were removal of lesion (e.g. growth), minimally invasive procedures, endocrine surgery and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	14
doctor visit	201
endocrine surgery	14
minimally invasive procedures	14
removal of lesion (e.g. growth)	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

doctor visit	138

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	66
Female	87

**Ethnicity**
Non-Hispanic White	116
Black	12
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	0
85 and over	0
Less than 65	44

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2013

Hypertension	69
High Cholesterol	55
Stroke	13
Ischemic Heart Disease	27
Depression	27
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2014 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

doctor visit	96
image guided procedures	22
radiation therapy	22

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	66
Female	66

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	0
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	0
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2014

Hypertension	61
High Cholesterol	53
Stroke	14
Ischemic Heart Disease	32
Depression	29
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	9
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2015 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	16
doctor visit	154
excision	16
hospital care	11
image guided procedures	25
inpatient care	11
radiation therapy	25
removal of lesion (e.g. growth)	16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	146
Female	216

**Ethnicity**
Non-Hispanic White	240
Black	0
Hispanic	38
Asian	58
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	0
85 and over	0
Less than 65	86

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2015

Hypertension	56
High Cholesterol	49
Stroke	16
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2016 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

doctor visit	158
image guided procedures	30
radiation therapy	30

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	84
Female	116

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	23
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	44
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2016

Hypertension	52
High Cholesterol	42
Stroke	12
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	25
Asthma	15
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	12
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2017 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	11
doctor visit	70
excision	11
image guided procedures	33
radiation therapy	33
removal of lesion (e.g. growth)	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	66
Female	77

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	22
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2017

Hypertension	56
High Cholesterol	48
Stroke	11
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	17
Cancer	22

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2018 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and minimally invasive procedures.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	12
doctor visit	37
endocrine surgery	12
image guided procedures	38
minimally invasive procedures	12
radiation therapy	38
removal of lesion (e.g. growth)	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	52
Female	61

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	13
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2018

Hypertension	54
High Cholesterol	56
Stroke	12
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	11
Cancer	32

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2019 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and minimally invasive procedures.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	13
doctor visit	18
endocrine surgery	13
image guided procedures	39
minimally invasive procedures	13
radiation therapy	39
removal of lesion (e.g. growth)	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	49
Female	60

**Ethnicity**
Non-Hispanic White	63
Black	0
Hispanic	0
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	0
85 and over	0
Less than 65	30

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2019

Hypertension	70
High Cholesterol	53
Stroke	14
Ischemic Heart Disease	28
Depression	24
Chronic Kidney Disease	32
Asthma	13
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	15
Cancer	33

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2020 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	22
doctor visit	79
excision	22
image guided procedures	60
radiation therapy	60
removal of lesion (e.g. growth)	22

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	66
Female	112

**Ethnicity**
Non-Hispanic White	117
Black	0
Hispanic	23
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2020

Hypertension	56
High Cholesterol	47
Stroke	13
Ischemic Heart Disease	15
Depression	25
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	6
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	6
Cancer	31

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2021 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	14
doctor visit	27
excision	14
image guided procedures	57
radiation therapy	57
removal of lesion (e.g. growth)	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	60
Female	80

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	0
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2021

Hypertension	64
High Cholesterol	57
Stroke	12
Ischemic Heart Disease	26
Depression	26
Chronic Kidney Disease	32
Asthma	16
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2022 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	28
doctor visit	253
excision	28
image guided procedures	61
radiation therapy	61
removal of lesion (e.g. growth)	28

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	112
Female	171

**Ethnicity**
Non-Hispanic White	195
Black	0
Hispanic	22
Asian	37
Other	17
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	86
85 and over	19
Less than 65	47

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2022

Hypertension	59
High Cholesterol	66
Stroke	19
Ischemic Heart Disease	17
Depression	21
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	0
Cancer	27

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2023 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	17
doctor visit	273
excision	17
image guided procedures	88
radiation therapy	88
removal of lesion (e.g. growth)	17

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	109
Female	204

**Ethnicity**
Non-Hispanic White	226
Black	0
Hispanic	21
Asian	38
Other	17
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	108
85 and over	11
Less than 65	46

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2023

Hypertension	63
High Cholesterol	69
Stroke	18
Ischemic Heart Disease	14
Depression	23
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	19
Atrial Fibrilation	10
Heart Failure	6
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	4
Cancer	28

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA during 2024 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

cranial surgery	14
doctor visit	269
excision	14
image guided procedures	69
radiation therapy	69
removal of lesion (e.g. growth)	14

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	103
Female	210

**Ethnicity**
Non-Hispanic White	225
Black	0
Hispanic	26
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	110
85 and over	19
Less than 65	44

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2024

Hypertension	64
High Cholesterol	73
Stroke	18
Ischemic Heart Disease	17
Depression	22
Chronic Kidney Disease	18
Asthma	14
Osteoperosis	19
Atrial Fibrilation	10
Heart Failure	7
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	5
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Philip V. Theodosopoulos, MD for Medicare patients.

The highest averages for the top procedures that Dr. Philip V. Theodosopoulos, MD treated as a physician provider in San Francisco, CA were radiation therapy, image guided procedures, excision and removal of lesion (e.g. growth).

cranial surgery	16
doctor visit	136
endocrine surgery	13
excision	17
hospital care	11
image guided procedures	47
inpatient care	11
minimally invasive procedures	13
radiation therapy	47
removal of lesion (e.g. growth)	16

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Philip V. Theodosopoulos, MD.

**Gender**
Male	75
Female	112

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	24
Non-Hispanic White	128
Hispanic	14
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	38
85 and over	3
Less than 65	25
65 to 74	90

Average of Total of Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Philip V. Theodosopoulos, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	55
High Cholesterol	51
Stroke	13
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	22
Asthma	9
Osteoporosis	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Atrial Fibrillation	4
Cancer	21
Dementia	7

Education & Training

Dr. Philip V. Theodosopoulos, MD graduated from Stanford University School of Medicine. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He is certified by the Board certification: Neurological Surgery, American Board of Neurological Surgery and has a state license in Ohio.

Medical School: Stanford University School of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals (2002)

Board Certification: Board certification: Neurological Surgery, American Board of Neurological Surgery

Licensed In: Ohio

Ratings & Reviews

Dr. Philip V. Theodosopoulos, MD has an exceptional overall rating with an average of 4.72 out of 5 stars based on 321 ratings. We collect ratings and reviews of Dr. Philip V. Theodosopoulos, MD from all over the web to help you find the right in San Francisco, CA.

4.72

Overall Rating

(321 Ratings)

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Reviews From Around The Web

Overall Rating: 4.0 2025-08-27

Patient verified via Press Ganey

Doctor joined late and ended very promptly and there has been no follow up from provider about what comes next. I reached out but feel I shouldn't have to.

Overall Rating: 5.0 2026-02-12

Patient verified via Press Ganey

Dr. Theo is excellent.

General Payments

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

**Payments by Company**
Brainlab, Inc.	$6,052 Novalis $5,975	Surgery Software $77
Stryker Corporation	$3,096 NEURO SPINE ENT $2,093	NEURO $771	Core $232
Integra LifeSciences Corporation	$1,000 Duragen $1,000
Aesculap, Inc.	$52 NEURO $52

**Types of Payments**
Compensation for serving as faculty or as a speaker for an accredited or certified continuing education program	$3,854
Consulting Fee	$2,000
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$2,000
Honoraria	$1,000
Travel and Lodging	$771
Other	$574

Biography

Dr Philip Theodosopoulos is director of the Skull Base Tumor Program and vice chair of neurological surgery at UCSF. Before joining UCSF, he served as director of skull base surgery at the University of Cincinnati for 10 years. Theodosopoulos cares primarily for patients with skull base lesions, particularly malignancies and acoustic neuromas – noncancerous tumors that grow on nerves near the ear. His expertise includes endoscopic treatment of pituitary adenomas and chordomas as well as minimally invasive approaches to the skull base. Theodosopoulos has been a pioneer in the development of new surgical approaches to the skull base.

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Dr. Philip V. Theodosopoulos, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Philip V. Theodosopoulos, MD in 2024

By Volume:

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. Philip V. Theodosopoulos, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Philip V. Theodosopoulos, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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