NPPES file of Aug 9, 2026

Jimmy Tam, M.D.

Internal Medicine Physician · Sacramento, CA

Jimmy Tam, M.D. is an internal medicine physician with a practice address in Sacramento, California, and NPI 1730239781, issued on Jan 11, 2007. Check the license (California A97077, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730239781
Name
Jimmy Tam
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A97077 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 V St, Sacramento, CA 95817
Phone
(916) 734-7080
Enumerated
Jan 11, 2007
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081201000593); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4150 V St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lia Angela Africa, M.D.Internal Medicine Physician1164849360
  2. Jillian Ahrens, M.D.Internal Medicine Physician1225307457
  3. Amar Al-Juburi, M.D.Gastroenterology Physician1821041229
  4. Waqar Ali, M.D.Internal Medicine Physician1891112090
  5. Amir Amini, M.D.Anesthesiology Physician1164699302
  6. Shubha Ananthakrishnan, MDNephrology Physician1275633869

Verify Jimmy Tam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A97077    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

385 Medicare Part D claims for 133 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Jimmy Tam385
  2. Specialty average3,176

Most prescribed

  1. Pradaxa26 claims
  2. Cephalexin17 claims
  3. Furosemide17 claims
  4. Losartan Potassium17 claims
  5. Omeprazole15 claims
  6. Atorvastatin Calcium14 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

  1. Southern California Permanente Medical GroupBaldwin Park, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

All 601 in Sacramento → All 17,696 in California → Every provider in Sacramento →

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Jimmy Tam, M.D.'s NPI number?

Jimmy Tam, M.D.'s National Provider Identifier (NPI) is 1730239781, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jimmy Tam, M.D. located?

The NPPES record lists a practice address at 4150 V St, Sacramento, CA, 95817. Phone: (916) 734-7080. Providers update this record themselves, so call before visiting.

How can I verify Jimmy Tam, M.D.'s license?

NPPES lists California license number A97077, 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 Jimmy Tam, M.D. prescribe under Medicare Part D?

In 2024, Jimmy Tam, M.D. had 385 Medicare Part D claims for 133 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.