Nathan Hubert Pham, MD
Gastroenterology Physician · San Leandro, CA
Nathan Hubert Pham, MD is a gastroenterology physician with a practice address in San Leandro, California, and NPI 1720582539, issued on Mar 19, 2018. Check the license (California A195777, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Hubert Pham
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A195777 CA
275556 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Merced St, San Leandro, CA 94577
- Phone
- (510) 591-3592
- Enumerated
- Mar 19, 2018
- Record last updated
- Aug 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20240827000985); accepts Medicare assignment
- 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 2500 Merced St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rabiatu Abdullah, M.D.Emergency Medicine Physician1497833248
- Scott Abramson, M.D.Neurology Physician1891873667
- Jayaprada Achanta, M.D.Anesthesiology Physician1053463851
- Kristi Adachi, PHARMDPharmacist1396456737
- Mary Grace Aguayo, CRTCertified Respiratory Therapist1467923730
- Jatinder AhluwaliaPharmacist1508391483
Verify Nathan Hubert Pham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gastroenterology physician in 2024
62 Medicare Part D claims for 43 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-C26 claims
- Omeprazole11 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
- Permanente Medical Group IncSan Leandro, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Hubert Pham among 2,140 gastroenterology physician records in California
Nathan Hubert Pham, 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. Its NPI, issued in 2018, is newer than 94% of them.
- NPI issued2018 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2018 · median 2002 among the 1,538 with a school on file
- Record last updated2024 · 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 Leandro → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Tanaaz Baldawala, M.D.San Leandro, CA 945771811075674
- Nathan Kam, M.D.San Leandro, CA 945771598843351
- Cameron Locke, MDSan Leandro, CA 945771386006641
- Miles Adler, M.D.San Leandro, CA 945781760414502
- Vinod Sawhney, M.D.San Leandro, CA 945781447283874
- Tegpal AtwalSaint Helena, CA 945741275751869
- Ioana Bina, M.D.Saint Helena, CA 945741215991047
- Amee Mapara-Shah, M.D.San Ramon, CA 945821265681134
Common questions
What is Nathan Hubert Pham, MD's NPI number?
Nathan Hubert Pham, MD's National Provider Identifier (NPI) is 1720582539, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Hubert Pham, MD located?
The NPPES record lists a practice address at 2500 Merced St, San Leandro, CA, 94577. Phone: (510) 591-3592. Providers update this record themselves, so call before visiting.
How can I verify Nathan Hubert Pham, MD's license?
NPPES lists California license number A195777, 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 Nathan Hubert Pham, MD prescribe under Medicare Part D?
In 2024, Nathan Hubert Pham, MD had 62 Medicare Part D claims for 43 beneficiaries; 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.