Gail Mona Wagner, M.D.
Hematology & Oncology Physician · San Leandro, CA
Gail Mona Wagner, M.D. is a hematology & oncology physician with a practice address in San Leandro, California, and NPI 1780756593, issued on Nov 15, 2006. Check the license (California G37771, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gail Mona Wagner
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G37771 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Merced Street, San Leandro, CA 94577
- Phone
- (510) 454-1000
- Enumerated
- Nov 15, 2006
- Record last updated
- Jul 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G377710 CA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 2500 Merced Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Au, PHARM DPharmacist1497803670
- Jacob Bayani, C.R.N.ACertified Registered Nurse Anesthetist1285690446
- Mary Ann Bloyer, C.N.M.Advanced Practice Midwife1003952276
- Jungsuk Byun, PHARMPharmacist1174675029
- Linda Chang, PHARM DPharmacist1629126826
- Chunting Chuang, PHARM DPharmacist1134394018
Verify Gail Mona Wagner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gail Mona Wagner among 1,583 hematology & oncology physician records in California
Gail Mona Wagner, M.D. is one of 1,583 hematology & oncology 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 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,583 in California → Every provider in San Leandro → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ming Kuan, M.D.San Leandro, CA 945771043279995
- Kenneth PoonSan Leandro, CA 945771366768541
- Ravinder Arora, MDSan Leandro, CA 945781952307720
- Bao Lam, M.D.San Leandro, CA 945781639354970
- Ostap Melnyk, MDSan Leandro, CA 945781205834702
- Gregory Smith, M.D.St Helena, CA 945741265408447
- Swaminathan MurugappanSan Ramon, CA 945821336301852
- Amanpreet Buttar, MDDublin, CA 945681962679753
Common questions
What is Gail Mona Wagner, M.D.'s NPI number?
Gail Mona Wagner, M.D.'s National Provider Identifier (NPI) is 1780756593, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gail Mona Wagner, M.D. located?
The NPPES record lists a practice address at 2500 Merced Street, San Leandro, CA, 94577. Phone: (510) 454-1000. Providers update this record themselves, so call before visiting.
How can I verify Gail Mona Wagner, M.D.'s license?
NPPES lists California license number G37771, 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.