Tanya Tan, M.D.
NPI 1366837031 · Internal Medicine Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanya Tan, M.D. is a Internal Medicine Physician provider in Bethesda, MD (NPI 1366837031).
Provider details
- NPI number
- 1366837031
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0084957 (MD)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 8206 Georgia AveSilver Spring, MD 20910-4519Phone: (301) 960-4682
Registry dates
- Enumerated
- 2015-03-31
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Tanya Tan's NPI number?
- Tanya Tan's National Provider Identifier (NPI) is 1366837031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanya Tan's specialty?
- Tanya Tan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tanya Tan located?
- Tanya Tan's practice location on file with NPPES is 8901 Rockville Pike, Bethesda, MD 20889-0001.
- What is Tanya Tan's phone number?
- The practice phone number listed in the NPPES registry for Tanya Tan is (301) 295-4000.
- Does Tanya Tan accept Medicare?
- Tanya Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanya Tan's NPI active?
- Yes — Tanya Tan's NPI (1366837031) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.