Donald Tan, MD
NPI 1659900454 · Otolaryngology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Tan, MD is a Otolaryngology Physician provider in Dallas, TX (NPI 1659900454).
Provider details
- NPI number
- 1659900454
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- V6407 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-04-03
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Donald Tan's NPI number?
- Donald Tan's National Provider Identifier (NPI) is 1659900454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Tan's specialty?
- Donald Tan is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Tan located?
- Donald Tan's practice location on file with NPPES is 5323 Harry Hines Blvd, Dallas, TX 75390-7201.
- What is Donald Tan's phone number?
- The practice phone number listed in the NPPES registry for Donald Tan is (214) 999-9999.
- Does Donald Tan accept Medicare?
- Donald Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Tan's NPI active?
- Yes — Donald Tan's NPI (1659900454) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.