Zealous D. Wiley, MD
Gastroenterology Physician · Oakland, CA
Zealous D. Wiley, MD is a gastroenterology physician with a practice address in Oakland, California, and NPI 1740232610, issued on May 17, 2006. Check the license (California C33824, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Zealous D. Wiley
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- C33824 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Webster Street, Oakland, CA 94116
- Phone
- (510) 444-3297
- Enumerated
- May 17, 2006
- Record last updated
- Mar 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 444-6421
- Medicaid ID
- GR0082090 CA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Zealous D. Wiley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C33824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Zealous D. Wiley among 2,140 gastroenterology physician records in California
Zealous D. Wiley, MD 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 not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2008 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,140 in California → Every provider in Oakland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Waseem Ahmad, M.D.San Francisco, CA 941151649633991
- Dayana Carcamo-Molina, MDSan Francisco, CA 941151417119827
- Timothy Chen, M.D.San Francisco, CA 941151699017707
- Charlotte Ching, MDSan Francisco, CA 941151407475312
- Priya Kathpalia, M.D.San Francisco, CA 941151194046821
- Rohit Khanna, DOSan Francisco, CA 941151104386770
- Angela LamSan Francisco, CA 941151578925517
- Marcia Leung, MDSan Francisco, CA 941151730684648
Common questions
What is Zealous D. Wiley, MD's NPI number?
Zealous D. Wiley, MD's National Provider Identifier (NPI) is 1740232610, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Zealous D. Wiley, MD located?
The NPPES record lists a practice address at 3300 Webster Street, Oakland, CA, 94116. Phone: (510) 444-3297. Providers update this record themselves, so call before visiting.
How can I verify Zealous D. Wiley, MD's license?
NPPES lists California license number C33824, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.