Parameswaran Hariharan, M.D.
NPI 1720084460ActiveIndividual· Internal Medicine· Batavia, OH
Internal Medicine (M.D.) with Oxford Physical Therapy and Rehabilitation and 1 other group, practicing in Batavia, Ohio. Their prescriptions cost Medicare Part D more than their services did: $1,355,205 for 12,672 claims, against $135,645 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $367.47 in all, mostly food and beverage. Lists Adams County Regional Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1720084460 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2005 |
| Last updated in NPPES | Jun 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 68751 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 573 |
|---|---|
| Services billed | 1,770 across 31 procedure codes |
| Paid by Medicare | $135,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,672 · 29,039 30-day fills |
|---|---|
| Patients | 1,044 |
| Total drug cost | $1,355,205 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Oxford Physical Therapy and RehabilitationMason, OH · 440 clinicians
- Clermont Internists Associates IncBatavia, OH · 19 clinicians
Hospital affiliations
- Adams County Regional Medical CenterSeaman, OH
- Mercy Health - Clermont HospitalBatavia, OH
- Mercy Health - West HospitalCincinnati, OH
- Mercy Health-Anderson HospitalCincinnati, OH
Other facilities
- American Mercy Home Care, LLCHome health agency · Cincinnati, OH
- Care Connection of CincinnatiHome health agency · Cincinnati, OH
- Special Touch Home Care LLCHome health agency · Manchester, OH
Industry payments (Open Payments)
- 2025$367.47 · 20 payments from 9 companies
- 2024$151.13 · 8 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $144.43 | 8 |
| Novartis Pharmaceuticals Corporation | $51.24 | 3 |
| Novo Nordisk Inc | $39.90 | 2 |
| Boston Scientific Corporation | $37.80 | 1 |
| Lilly USA, LLC | $32.14 | 2 |
What the 2025 payments were for
- Food and Beverage$367.47 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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