Jayantha Thiyanaratnam, M.D.
NPI 1639499247 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jayantha Thiyanaratnam, M.D. is a Internal Medicine Physician provider in Houston, TX (NPI 1639499247).
Provider details
- NPI number
- 1639499247
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- BP10036783 (TX)
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
16 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 165 | 93 |
| Clobetasol Propionate | 123 | 40 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 102 | 43 |
| Minoxidil | 44 | 14 |
| Finasteride | 42 | 17 |
| Fluocinonide | 39 | 19 |
| Fluocinolone Acetonide | 30 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-04
- Last updated
- 2021-11-17
- Certified
- 2021-11-17
Frequently asked questions
- What is Jayantha Thiyanaratnam's NPI number?
- Jayantha Thiyanaratnam's National Provider Identifier (NPI) is 1639499247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jayantha Thiyanaratnam's specialty?
- Jayantha Thiyanaratnam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jayantha Thiyanaratnam located?
- Jayantha Thiyanaratnam's practice location on file with NPPES is 1709 Dryden Rd # 570, Houston, TX 77030-2400.
- What is Jayantha Thiyanaratnam's phone number?
- The practice phone number listed in the NPPES registry for Jayantha Thiyanaratnam is (713) 798-0190.
- Does Jayantha Thiyanaratnam accept Medicare?
- Jayantha Thiyanaratnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jayantha Thiyanaratnam's NPI active?
- Yes — Jayantha Thiyanaratnam's NPI (1639499247) is active in the NPPES registry as of the last update on 2021-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.