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Joseph Tan, M.D.
NPI 1629149901 · Gastroenterology Physician · Paramount, CA
Joseph Tan, M.D. is a Gastroenterology Physician provider in Paramount, CA (NPI 1629149901).
Provider details
- NPI number
- 1629149901
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A40103 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
16660 Paramount Blvd
#312
Paramount, CA 90723-5433
Phone: (562) 404-0503
Fax: (562) 529-8828
Street-level locationGet directions
Mailing address
Po Box 4929
Cerritos, CA 90703-4929
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Tan's NPI number?
- Joseph Tan's National Provider Identifier (NPI) is 1629149901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Tan's specialty?
- Joseph Tan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Tan located?
- Joseph Tan's practice location on file with NPPES is 16660 Paramount Blvd, Paramount, CA 90723-5433.
- What is Joseph Tan's phone number?
- The practice phone number listed in the NPPES registry for Joseph Tan is (562) 404-0503.
- Is Joseph Tan's NPI active?
- Yes — Joseph Tan's NPI (1629149901) 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.