Harsharn Grewal, M.D.
Internal Medicine Physician · Toledo, OH
Harsharn Grewal, M.D. is an internal medicine physician with a practice address in Toledo, Ohio, and NPI 1689310997, issued on May 10, 2022. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Harsharn Grewal
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0074895 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2213 Franklin Ave, Toledo, OH 43620
- Phone
- (419) 251-2360
- Enumerated
- May 10, 2022
- Record last updated
- Jun 4, 2025
- Fax
- (419) 251-2393
- Medicare enrollment
- Enrolled (PECOS I20250708000098); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 2213 Franklin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harsharn Grewal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of OhioCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
534 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium49 claims
- Amlodipine Besylate36 claims
- Losartan Potassium32 claims
- Hydrochlorothiazide22 claims
- Metformin Hcl22 claims
- Carvedilol21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Platte Valley Medical Group LLCCommerce City, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harsharn Grewal among 5,277 internal medicine physician records in Ohio
Harsharn Grewal, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2006 among the 3,414 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 internal medicine physician records list a practice address in Toledo
They are 158 of the 13,583 NPPES records with a practice address in Toledo, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Toledo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Aloho Bekong, MDToledo, OH 436201023692068
- Henry Armah, MDToledo, OH 436201093643793
- Nadia AslamToledo, OH 436201609352962
- Deepti Avasthi, M.DToledo, OH 436201457797771
- Romana Dragojevic, M.D.Toledo, OH 436201811345523
- Jay Gaglani, D.O.Toledo, OH 436201275959231
- Rizwan Ishtiaq, MDToledo, OH 436201730683038
- Hudson Jones, MDToledo, OH 436201386646255
Common questions
What is Harsharn Grewal, M.D.'s NPI number?
Harsharn Grewal, M.D.'s National Provider Identifier (NPI) is 1689310997, issued on May 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Harsharn Grewal, M.D. located?
The NPPES record lists a practice address at 2213 Franklin Ave, Toledo, OH, 43620. Phone: (419) 251-2360. Providers update this record themselves, so call before visiting.
How can I verify Harsharn Grewal, M.D.'s license?
Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harsharn Grewal, M.D. prescribe under Medicare Part D?
In 2024, Harsharn Grewal, M.D. had 534 Medicare Part D claims for 64 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.