Tharenie Sivarajah, MD
NPI 1891040630 · Family Medicine Physician · Cheyenne, WY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tharenie Sivarajah, MD is a Family Medicine Physician provider in Cheyenne, WY (NPI 1891040630).
Provider details
- NPI number
- 1891040630
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 293430 (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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
110 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) |
|---|---|---|
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 46 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 20 | $71 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $112 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 16 | $29 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 12 | $163 |
Typical Medicare-allowed amounts for these services range $29–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 28 | 28 |
| Atorvastatin Calcium | 24 | 11 |
| Metoprolol Succinate | 16 | 16 |
| Apixabanbrand: Eliquis | 15 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 14 |
| Doxycycline Hyclate | 14 | 14 |
| Cefpodoxime Proxetil |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-18
- Last updated
- 2023-07-03
Frequently asked questions
- What is Tharenie Sivarajah's NPI number?
- Tharenie Sivarajah's National Provider Identifier (NPI) is 1891040630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tharenie Sivarajah's specialty?
- Tharenie Sivarajah is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tharenie Sivarajah located?
- Tharenie Sivarajah's practice location on file with NPPES is 820 East 17th Street, Cheyenne, WY 82001-4797.
- What is Tharenie Sivarajah's phone number?
- The practice phone number listed in the NPPES registry for Tharenie Sivarajah is (307) 632-2434.
- Does Tharenie Sivarajah accept Medicare?
- Tharenie Sivarajah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tharenie Sivarajah's NPI active?
- Yes — Tharenie Sivarajah's NPI (1891040630) is active in the NPPES registry as of the last update on 2023-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.