Tackson Tam, M.D.
Internal Medicine Physician · Orange, CA
Tackson Tam, M.D. is an internal medicine physician with a practice address in Orange, California, and NPI 1548239635, issued on Mar 14, 2006. Check the license (California G70073, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tackson Tam
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G70073 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 W LA Veta Ave Ste 750, Orange, CA 92868
- Phone
- (714) 361-6600
- Enumerated
- Mar 14, 2006
- Record last updated
- Nov 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 919-8804
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1010 W LA Veta Ave Ste 750
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shahid Hayat, M.D.Critical Care Medicine (Internal Medicine) Physician1316047913
- Seogeun HongInternal Medicine Physician1871927962
- Christopher Hwe, M.D.Pulmonary Disease Physician1790149136
Verify Tackson Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G70073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average internal medicine physician in 2024
834 Medicare Part D claims for 317 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium62 claims
- Amlodipine Besylate54 claims
- Levothyroxine Sodium46 claims
- Rosuvastatin Calcium45 claims
- Valsartan40 claims
- Losartan Potassium29 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.
Tackson Tam among 17,696 internal medicine physician records in California
Tackson Tam, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Orange
They are 187 of the 13,245 NPPES records with a practice address in Orange, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Orange → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jane Abdelhadi, M.D.Orange, CA 928681124097100
- Edwin Alexander, M.D.Orange, CA 928681659315752
- Romilla Batra, MDOrange, CA 928681871545038
- Ronald Daoud, M.D.Orange, CA 928681093732992
- Nadia Elihu, M.D.Orange, CA 928681659340156
- Roy Herndon, M.D.Orange, CA 928681417928383
- Deepti Pandita, MDOrange, CA 928681255358727
- Maryam Rahimi, MDOrange, CA 928681043268949
Common questions
What is Tackson Tam, M.D.'s NPI number?
Tackson Tam, M.D.'s National Provider Identifier (NPI) is 1548239635, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tackson Tam, M.D. located?
The NPPES record lists a practice address at 1010 W LA Veta Ave Ste 750, Orange, CA, 92868. Phone: (714) 361-6600. Providers update this record themselves, so call before visiting.
How can I verify Tackson Tam, M.D.'s license?
NPPES lists California license number G70073, 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 Tackson Tam, M.D. prescribe under Medicare Part D?
In 2024, Tackson Tam, M.D. had 834 Medicare Part D claims for 317 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.
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.