Thomas Tan, M.D.
NPI 1417189184 · Emergency Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Tan, M.D. is a Emergency Medicine Physician provider in Houston, TX (NPI 1417189184).
Provider details
- NPI number
- 1417189184
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 254392 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
114 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 61 | $122 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 33 | $177 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 20 | $8 |
Typical Medicare-allowed amounts for these services range $8–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 67 | 66 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 47 | 47 |
| Doxycycline Hyclate | 46 | 45 |
| Ondansetronbrand: Ondansetron Odt | 43 | 43 |
| Cyclobenzaprine Hcl | 38 | 38 |
| Dicyclomine Hcl | 33 | 32 |
| Methylprednisolone | 29 | 29 |
Practice location
Mailing address
Additional practice locations (1)
- 6750 West Loop SSuite 950Bellaire, TX 77401-4103Phone: (713) 838-0800
Registry dates
- Enumerated
- 2009-08-14
- Last updated
- 2022-12-02
- Certified
- 2022-12-02
Frequently asked questions
- What is Thomas Tan's NPI number?
- Thomas Tan's National Provider Identifier (NPI) is 1417189184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Tan's specialty?
- Thomas Tan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Tan located?
- Thomas Tan's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4000.
- What is Thomas Tan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Tan is (713) 792-6161.
- Does Thomas Tan accept Medicare?
- Thomas Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Tan's NPI active?
- Yes — Thomas Tan's NPI (1417189184) is active in the NPPES registry as of the last update on 2022-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.