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Dr. Clark Michael Neuwelt, MD

Accepting New Patients

(Dr. C Michael Neuwelt, M.D.)

(No ratings)

Specializes in: Adult Rheumatology

George Washington University School of Medicine and Health Sciences

13851 East 14th Street Suite 102a
San Leandro, CA 94578

(510) 357-1303

Dr. Clark Michael Neuwelt, MD is a rheumatologist in San Leandro, CA specializing in adult rheumatology. He graduated from George Washington University School of Medicine and Health Sciences. Dr. Clark Michael Neuwelt, MD is affiliated with Sutter Health and Hill Physicians.

Office Locations

13851 East 14th Street Suite 102a
San Leandro, CA 94578

open_in_new

3737 Lone Tree Way Suite E
Antioch, CA 94509

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In The News

“The reason it took so long for Mendes' lupus to be diagnosed is that the disease is not well-understood by the medical community, says Dr. C. Michael Neuwelt, a rheumatologist and medical professor...”—"Living with lupus", East Bay Times, October 2006

“3 of every 1,000 osteoarthritis patients on NSAIDs experience a serious gastrointestinal side effect such as a "PUB" perforation, ulcer or bleed, says Dr. C. Michael Neuwelt, a rheumatologist and...”—"OTC ALERT Widely used over-the-counter painkillers can cause serious, even fatal, complications", New York Daily News, April 2001

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2012 were chemotherapy, biological response modifier (BRM) therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

biological response modifier (BRM) therapy	210
chemotherapy	210
doctor visit	710
minimally invasive procedures	210

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2013 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

aspiration	17
biological response modifier (BRM) therapy	169
chemotherapy	169
doctor visit	575
injections	17
minimally invasive procedures	169

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	59
Female	258

**Ethnicity**
Non-Hispanic White	138
Black	95
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	0
85 and over	0
Less than 65	140

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2013

Hypertension	54
High Cholesterol	34
Stroke	3
Ischemic Heart Disease	21
Depression	24
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	10
Atrial Fibrilation	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Dementia	7
Cancer	4

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2014 were minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

biological response modifier (BRM) therapy	79
chemotherapy	79
doctor visit	729
minimally invasive procedures	104

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	78
Female	311

**Ethnicity**
Non-Hispanic White	185
Black	96
Hispanic	60
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	69
85 and over	20
Less than 65	154

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2014

Hypertension	56
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	21
Depression	26
Chronic Kidney Disease	22
Asthma	14
Osteoperosis	11
Atrial Fibrilation	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	31
Dementia	7
Cancer	5

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2015 were chemotherapy, biological response modifier (BRM) therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

biological response modifier (BRM) therapy	54
chemotherapy	54
doctor visit	575
minimally invasive procedures	54

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	148
Female	572

**Ethnicity**
Non-Hispanic White	306
Black	208
Hispanic	118
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	132
85 and over	32
Less than 65	296

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2015

Hypertension	59
High Cholesterol	38
Stroke	4
Ischemic Heart Disease	18
Depression	24
Chronic Kidney Disease	26
Asthma	15
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	7
Cancer	3

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2016 were chemotherapy, biological response modifier (BRM) therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

biological response modifier (BRM) therapy	67
chemotherapy	67
doctor visit	635
minimally invasive procedures	67

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	58
Female	286

**Ethnicity**
Non-Hispanic White	162
Black	88
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	72
85 and over	12
Less than 65	135

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2016

Hypertension	59
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	22
Depression	34
Chronic Kidney Disease	33
Asthma	14
Osteoperosis	11
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	6
Cancer	4

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2017 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

aspiration	28
biological response modifier (BRM) therapy	79
chemotherapy	79
doctor visit	678
injections	28
minimally invasive procedures	133

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	52
Female	256

**Ethnicity**
Non-Hispanic White	155
Black	71
Hispanic	55
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	70
85 and over	15
Less than 65	106

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2017

Hypertension	59
High Cholesterol	39
Stroke	5
Ischemic Heart Disease	27
Depression	34
Chronic Kidney Disease	34
Asthma	17
Osteoperosis	15
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2018 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

aspiration	20
biological response modifier (BRM) therapy	75
chemotherapy	75
doctor visit	672
injections	20
minimally invasive procedures	125

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	57
Female	289

**Ethnicity**
Non-Hispanic White	159
Black	94
Hispanic	50
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	74
85 and over	14
Less than 65	119

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2018

Hypertension	60
High Cholesterol	44
Stroke	7
Ischemic Heart Disease	25
Depression	33
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	16
Atrial Fibrilation	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	7
Cancer	4

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2019 were minimally invasive procedures, aspiration, injections and chemotherapy.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

aspiration	82
biological response modifier (BRM) therapy	59
chemotherapy	59
doctor visit	797
injections	82
minimally invasive procedures	131

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	73
Female	311

**Ethnicity**
Non-Hispanic White	189
Black	89
Hispanic	0
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	90
85 and over	22
Less than 65	111

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2019

Hypertension	64
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	24
Depression	31
Chronic Kidney Disease	33
Asthma	14
Osteoperosis	20
Atrial Fibrilation	6
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	8
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2020 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

aspiration	29
biological response modifier (BRM) therapy	57
chemotherapy	57
doctor visit	726
injections	29
minimally invasive procedures	115

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	72
Female	307

**Ethnicity**
Non-Hispanic White	174
Black	98
Hispanic	0
Asian	50
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	96
85 and over	26
Less than 65	114

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2020

Hypertension	65
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	23
Depression	31
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	20
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	8
Cancer	6

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2021 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

aspiration	25
biological response modifier (BRM) therapy	55
chemotherapy	55
doctor visit	573
injections	25
minimally invasive procedures	55

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	67
Female	278

**Ethnicity**
Non-Hispanic White	173
Black	84
Hispanic	0
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	89
85 and over	20
Less than 65	98

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2021

Hypertension	68
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	27
Depression	34
Chronic Kidney Disease	34
Asthma	16
Osteoperosis	21
Atrial Fibrilation	7
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	6
Cancer	5

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA during 2022 were minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

biological response modifier (BRM) therapy	77
chemotherapy	77
doctor visit	516
minimally invasive procedures	151

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	51
Female	254

**Ethnicity**
Non-Hispanic White	154
Black	64
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	84
85 and over	20
Less than 65	84

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2022

Hypertension	72
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	17
Depression	36
Chronic Kidney Disease	24
Asthma	21
Osteoperosis	31
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Clark Michael Neuwelt, MD for Medicare patients.

The highest averages for the top procedures that Dr. Clark Michael Neuwelt, MD treated as a rheumatologist in San Leandro, CA were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

aspiration	33
biological response modifier (BRM) therapy	89
chemotherapy	89
doctor visit	653
injections	33
minimally invasive procedures	119

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Clark Michael Neuwelt, MD.

**Gender**
Male	65
Female	283

**Ethnicity**
Black / African American	89
Asian / Pacific Islander	13
Non-Hispanic White	163
Native American / Alaskan Native	0
Hispanic	39
Other	0

**Age**
75 to 84	70
85 and over	16
Less than 65	123
65 to 74	133

Average of Total of Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Clark Michael Neuwelt, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	56
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	20
Depression	27
Chronic Kidney Disease	26
Asthma	13
Osteoporosis	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Atrial Fibrillation	5
Dementia	6
Cancer	4

Education & Training

Dr. Clark Michael Neuwelt, MD graduated from George Washington University School of Medicine and Health Sciences. He completed residency at George Washington University Medical Center. He is certified by the Board Certification: Rheumatology and has a state license in California.

Medical School: George Washington University School of Medicine and Health Sciences

Residency: George Washington University Medical Center

Board Certification: Board Certification: Rheumatology

Licensed In: California

Affiliations & Hospitals

Dr. Clark Michael Neuwelt, MD is associated with these hospitals and organizations:

Sutter Health

Hill Physicians

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. Clark Michael Neuwelt, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, Anthem, UnitedHealthcare, SCAN Health Plan, Health Net, Hill Physicians Care Solutions, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Clark Michael Neuwelt, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

Anthem

UnitedHealthcare

SCAN Health Plan

Health Net

Hill Physicians Care Solutions

Central Health Plan

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$183,320 BENLYSTA $121,254	$62,066
Lilly USA, LLC	$107,928 TALTZ $101,380	FORTEO $63	OLUMIANT $11	$6,473
AstraZeneca Pharmaceuticals LP	$74,016 SAPHNELO $61,465	EVUSHELD $17	$12,534
Horizon Therapeutics plc	$34,647 RAYOS $32,758	KRYSTEXXA $1,874	TEPEZZA $15
Horizon Pharma plc	$16,811 RAYOS $16,649	KRYSTEXXA $162
Other	$26,679 LUPKYNIS $8,474	Actemra $2,645	NonCovered Product $2,067	SIMPONI ARIA $1,052	Cimzia $595	Other $11,847

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$258,750
Travel and Lodging	$76,041
Honoraria	$46,600
Consulting Fee	$42,508
Food and Beverage	$16,227
Other	$3,276

Research Payments

Dr. Clark Michael Neuwelt, MD has received 576 research payments totaling $4,248,149.

Biography

Dr. Clark Neuwelt's area of specialization is adult rheumatology. His professional affiliations include Brown and Toland Physicians, Alta Bates Summit Medical Center - Summit Campus, and Hill Physicians. After attending George Washington University School of Medicine and Health Sciences for medical school, he completed his residency training at George Washington University Medical Center. Dr. Neuwelt can accept Blue Shield, Health Net, and Anthem, as well as other insurance carriers. Dr. Neuwelt's practice in San Leandro, CA is open to new patients as reported by Brown and Toland Physicians.

Select Year:

Dr. Clark Michael Neuwelt, MD

Office Locations

In The News

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. Clark Michael Neuwelt, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clark Michael Neuwelt, 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. Clark Michael Neuwelt, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Research Payments

Biography

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