Tackson Tam, M.D.
NPI 1548239635 · Internal Medicine Physician · Orange, CA
Tackson Tam, M.D. is a Internal Medicine Physician provider in Orange, CA (NPI 1548239635).
Provider details
- NPI number
- 1548239635
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G70073 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 62 | 40 |
| Amlodipine Besylate | 54 | 32 |
| Levothyroxine Sodium | 46 | 33 |
| Rosuvastatin Calcium | 45 | 33 |
| Valsartan | 40 | 21 |
| Losartan Potassium | 29 | 20 |
| Lisinopril | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2021-11-11
- Certified
- 2021-11-11
Frequently asked questions
- What is Tackson Tam's NPI number?
- Tackson Tam's National Provider Identifier (NPI) is 1548239635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tackson Tam's specialty?
- Tackson Tam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tackson Tam located?
- Tackson Tam's practice location on file with NPPES is 1010 W La Veta Ave Ste 750, Orange, CA 92868-4312.
- What is Tackson Tam's phone number?
- The practice phone number listed in the NPPES registry for Tackson Tam is (714) 361-6600.
- Is Tackson Tam's NPI active?
- Yes — Tackson Tam's NPI (1548239635) is active in the NPPES registry as of the last update on 2021-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.