Eric Tharmathurai, M.D.
NPI 1679137764 · Internal Medicine Physician · Hornell, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Tharmathurai, M.D. is a Internal Medicine Physician provider in Hornell, NY (NPI 1679137764).
Provider details
- NPI number
- 1679137764
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 80092-20 (WI)
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
7 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
289 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 89 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $126 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 33 | $16 |
Typical Medicare-allowed amounts for these services range $16–$126 (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 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 180 | 54 |
| Gabapentin | 180 | 56 |
| Atorvastatin Calcium | 168 | 65 |
| Rosuvastatin Calcium | 158 | 58 |
| Lisinopril | 150 | 51 |
| Amlodipine Besylate | 144 | 54 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-24
- Last updated
- 2023-06-22
- Certified
- 2023-06-22
Frequently asked questions
- What is Eric Tharmathurai's NPI number?
- Eric Tharmathurai's National Provider Identifier (NPI) is 1679137764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Tharmathurai's specialty?
- Eric Tharmathurai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Tharmathurai located?
- Eric Tharmathurai's practice location on file with NPPES is 7309 Seneca Rd N Ste 109, Hornell, NY 14843-9691.
- What is Eric Tharmathurai's phone number?
- The practice phone number listed in the NPPES registry for Eric Tharmathurai is (607) 385-3700.
- Does Eric Tharmathurai accept Medicare?
- Eric Tharmathurai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Tharmathurai's NPI active?
- Yes — Eric Tharmathurai's NPI (1679137764) is active in the NPPES registry as of the last update on 2023-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.