Thomas Tam, M.D.
NPI 1770638033 · Gynecology Physician · Monterey Park, CA
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Tam, M.D. is a Gynecology Physician provider in Monterey Park, CA (NPI 1770638033).
Provider details
- NPI number
- 1770638033
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A24893 (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
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Tam's NPI number?
- Thomas Tam's National Provider Identifier (NPI) is 1770638033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Tam's specialty?
- Thomas Tam is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Tam located?
- Thomas Tam's practice location on file with NPPES is 455 N Garfield Ave, Monterey Park, CA 91754-1201.
- What is Thomas Tam's phone number?
- The practice phone number listed in the NPPES registry for Thomas Tam is (626) 288-8444.
- Does Thomas Tam accept Medicare?
- Thomas Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Tam's NPI active?
- Yes — Thomas Tam's NPI (1770638033) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.