Bruce Maozheng Wang, M.D.
Gastroenterology Physician · San Francisco, CA
Bruce Maozheng Wang, M.D. is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1932436128, issued on Nov 9, 2009. Check the license (California A107381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bruce Maozheng Wang
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A107381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 513 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-2777
- Enumerated
- Nov 9, 2009
- Record last updated
- Nov 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150922003070); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 513 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimiya Abtahi, DMDStudent in an Organized Health Care Education/Training Program1295397719
- Kemi Alabi, MDStudent in an Organized Health Care Education/Training Program1821857004
- Ivy Aslan, M.D.Specialist1346571833
- Su Aung, M.D.Infectious Disease Physician1649513805
- Jeanie Bhuller, D.O.Anesthesiology Physician1801020391
- Catherine Blebea, MDInternal Medicine Physician1134680531
Verify Bruce Maozheng Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A107381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
22 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Entecavir12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24,509.87
32 payments; by number, the most common kind was consulting fee; the largest payer was Alnylam Pharmaceuticals Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bruce Maozheng Wang among 2,140 gastroenterology physician records in California
Bruce Maozheng Wang, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2007 · median 2002 among the 1,538 with a school on file
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kendall BeckSan Francisco, CA 941431972892057
- John Cello, MDSan Francisco, CA 941431346205168
- Joseph Chen, M.D.San Francisco, CA 941431558500603
- Jennifer Chen, MDSan Francisco, CA 941431376771758
- Lukejohn Day, M.D.San Francisco, CA 941431669623773
- Jeanne-Marie GiardSan Francisco, CA 941431194134460
- Courtney Gonzales, M.D.San Francisco, CA 941431669708830
- Abdul Kouanda, MDSan Francisco, CA 941431144648833
Common questions
What is Bruce Maozheng Wang, M.D.'s NPI number?
Bruce Maozheng Wang, M.D.'s National Provider Identifier (NPI) is 1932436128, issued on Nov 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Bruce Maozheng Wang, M.D. located?
The NPPES record lists a practice address at 513 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-2777. Providers update this record themselves, so call before visiting.
How can I verify Bruce Maozheng Wang, M.D.'s license?
NPPES lists California license number A107381, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bruce Maozheng Wang, M.D. prescribe under Medicare Part D?
In 2024, Bruce Maozheng Wang, M.D. had 22 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.