Wengang Zhang, M.D.
Internal Medicine Physician · Pittsburg, CA
Wengang Zhang, M.D. is an internal medicine physician with a practice address in Pittsburg, California, and NPI 1063451243, issued on Jun 5, 2006. Check the license (California A65147, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wengang Zhang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A65147 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2220 Gladstone Dr, Pittsburg, CA 94565
- Phone
- (925) 432-3318
- Enumerated
- Jun 5, 2006
- Record last updated
- Aug 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (925) 432-4590
- Medicaid ID
- 00A651470 CA
- Medicare enrollment
- Enrolled (PECOS I20041214000475); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2220 Gladstone Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Cave, NPAdult Health Nurse Practitioner1144743386
- Gerald Delrio, M.D.Pulmonary Disease Physician1568417889
- Siamak Elyasi, M.D.Family Medicine Physician1467407809
- John Gallo, DOInternal Medicine Physician1558446229
- Henry Gong, M.D.Interventional Cardiology Physician1215982855
- Hsien-Wen Hsu, M.D.Pulmonary Disease Physician1548209646
Verify Wengang Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
8,086 Medicare Part D claims for 675 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 298 claims were for opioids.
Most prescribed
- Atorvastatin Calcium456 claims
- Amlodipine Besylate384 claims
- Levothyroxine Sodium235 claims
- Furosemide226 claims
- Hydrocodone-Acetaminophen220 claims
- Metformin Hcl197 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.
Bills Medicare through one group practice
- Pittsburg-Antioch Medical Group A Professional CorporationPittsburg, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wengang Zhang among 17,696 internal medicine physician records in California
Wengang Zhang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2004 among the 11,065 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 internal medicine physician records list a practice address in Pittsburg
They are 11 of the 593 NPPES records with a practice address in Pittsburg, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Pittsburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pacita Aducayen, M.D.Pittsburg, CA 945651851307219
- Galicano Andal, M.D.Pittsburg, CA 945651437263571
- Kate Christensen, MDPittsburg, CA 945651356427884
- John Gallo, DOPittsburg, CA 945651558446229
- Sara Jaka, MDPittsburg, CA 945651760989222
- Dong Hoon Lee, M.D.Pittsburg, CA 945651174854038
- Shalini Madugundi, M.DPittsburg, CA 945651154635506
- Michael Russell, M.D.Pittsburg, CA 945651578615316
Common questions
What is Wengang Zhang, M.D.'s NPI number?
Wengang Zhang, M.D.'s National Provider Identifier (NPI) is 1063451243, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wengang Zhang, M.D. located?
The NPPES record lists a practice address at 2220 Gladstone Dr, Pittsburg, CA, 94565. Phone: (925) 432-3318. Providers update this record themselves, so call before visiting.
How can I verify Wengang Zhang, M.D.'s license?
NPPES lists California license number A65147, 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 Wengang Zhang, M.D. prescribe under Medicare Part D?
In 2024, Wengang Zhang, M.D. had 8,086 Medicare Part D claims for 675 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.