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Felix Tam, M.D.
NPI 1851317788 · Gastroenterology Physician · Modesto, CA
Felix Tam, M.D. is a Gastroenterology Physician provider in Modesto, CA (NPI 1851317788).
Provider details
- NPI number
- 1851317788
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G047808 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
3800 Dale Rd
Modesto, CA 95356-8627
Phone: (209) 735-5000
Street-level locationGet directions
Mailing address
1800 Harrison St Fl 7
Oakland, CA 94612-3466
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2011-04-06
Frequently asked questions
- What is Felix Tam's NPI number?
- Felix Tam's National Provider Identifier (NPI) is 1851317788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Felix Tam's specialty?
- Felix Tam is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Felix Tam located?
- Felix Tam's practice location on file with NPPES is 3800 Dale Rd, Modesto, CA 95356-8627.
- What is Felix Tam's phone number?
- The practice phone number listed in the NPPES registry for Felix Tam is (209) 735-5000.
- Is Felix Tam's NPI active?
- Yes — Felix Tam's NPI (1851317788) is active in the NPPES registry as of the last update on 2011-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.