Nathan Tai Pung Kam, M.D.
Gastroenterology Physician · San Leandro, CA
Nathan Tai Pung Kam, M.D. is a gastroenterology physician with a practice address in San Leandro, California, and NPI 1598843351, issued on Nov 1, 2006. Check the license (California G69248, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Tai Pung Kam
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G69248 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 1, 2006
- Record last updated
- Jun 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G692480 CA
- Medicare enrollment
- Enrolled (PECOS I20110126000320); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 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 Nathan Tai Pung Kam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average gastroenterology physician in 2024
1,428 Medicare Part D claims for 534 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Omeprazole195 claims
- Famotidine163 claims
- Pantoprazole Sodium135 claims
- Gavilyte-G127 claims
- Ondansetron Hcl106 claims
- Ondansetron Odt82 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $145.18
2 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., 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 one group practice
- Enloe Medical CenterChico, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Tai Pung Kam among 2,140 gastroenterology physician records in California
Nathan Tai Pung Kam, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1978 · median 2002 among the 1,538 with a school on file
- Record last updated2015 · 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
- Cameron Locke, MDSan Leandro, CA 945771386006641
- Nathan Pham, MDSan Leandro, CA 945771720582539
- 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 Tai Pung Kam, M.D.'s NPI number?
Nathan Tai Pung Kam, M.D.'s National Provider Identifier (NPI) is 1598843351, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Tai Pung Kam, 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 Nathan Tai Pung Kam, M.D.'s license?
NPPES lists California license number G69248, 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 Tai Pung Kam, M.D. prescribe under Medicare Part D?
In 2024, Nathan Tai Pung Kam, M.D. had 1,428 Medicare Part D claims for 534 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Nathan Tai Pung Kam, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.