Parameswaran Hariharan, M.D.
NPI 1720084460 · Internal Medicine Physician · Batavia, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Parameswaran Hariharan, M.D. is a Internal Medicine Physician provider in Batavia, OH (NPI 1720084460).
Provider details
- NPI number
- 1720084460
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 68751 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,568 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 301 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 294 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 190 | $75 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 147 | $122 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 145 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 166 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,067 | 308 |
| Amlodipine Besylate | 671 | 191 |
| Levothyroxine Sodium | 371 | 95 |
| Pantoprazole Sodium | 351 | 109 |
| Lisinopril | 337 | 100 |
| Gabapentin | 304 | 91 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$151 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2012-06-05
Frequently asked questions
- What is Parameswaran Hariharan's NPI number?
- Parameswaran Hariharan's National Provider Identifier (NPI) is 1720084460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Parameswaran Hariharan's specialty?
- Parameswaran Hariharan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Parameswaran Hariharan located?
- Parameswaran Hariharan's practice location on file with NPPES is 2055 Hospital Dr, Batavia, OH 45103-1923.
- What is Parameswaran Hariharan's phone number?
- The practice phone number listed in the NPPES registry for Parameswaran Hariharan is (513) 732-0663.
- Does Parameswaran Hariharan accept Medicare?
- Parameswaran Hariharan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Parameswaran Hariharan's NPI active?
- Yes — Parameswaran Hariharan's NPI (1720084460) is active in the NPPES registry as of the last update on 2012-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.