John Nirmalnath, M.D.
Internal Medicine Physician · Ontario, OH
John Nirmalnath, M.D. is an internal medicine physician with a practice address in Ontario, Ohio, and NPI 1225210651, issued on Nov 27, 2007. Check the license (Ohio 3506759, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- John Nirmalnath
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3506759 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2981 W 4TH St, Ontario, OH 44906
- Phone
- (419) 462-4561
- Enumerated
- Nov 27, 2007
- Record last updated
- Jan 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 0193311 OH
- Medicare enrollment
- Enrolled (PECOS I20060425000219); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 2981 W 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Davis, PAPhysician Assistant1851795892
- Lynne Werth, M.D.Family Medicine Physician1811301112
Verify John Nirmalnath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 3506759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average internal medicine physician in 2024
4,371 Medicare Part D claims for 236 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate329 claims
- Atorvastatin Calcium292 claims
- Levothyroxine Sodium184 claims
- Pantoprazole Sodium166 claims
- Fluticasone Propionate135 claims
- Irbesartan125 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,316.88
80 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Galion Community HospitalMansfield, OH · Critical Access Hospitals3 of 5 stars
- North Central Ohio Family Care Center IncOntario, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Nirmalnath among 5,277 internal medicine physician records in Ohio
John Nirmalnath, 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1979 · median 2006 among the 3,414 with a school on file
- Record last updated2021 · 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).
7 internal medicine physician records list a practice address in Ontario
They are 7 of the 310 NPPES records with a practice address in Ontario, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Ontario → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vamsee Amirneni, MDOntario, OH 449061346400058
- William Ballinger, M.D.Mansfield, OH 449061730167602
- Paul Chang, MDOntario, OH 449061245217496
- Mustafa Garbadawala, M.D.Mansfield, OH 449061548294127
- Gregory Gosky, MDMansfield, OH 449061588741151
- Eric Haus, D.O.Mansfield, OH 449061114128311
- Babbaljeet Kaur, MDMansfield, OH 449061093167959
- James Mooney, MDMansfield, OH 449061740292853
Common questions
What is John Nirmalnath, M.D.'s NPI number?
John Nirmalnath, M.D.'s National Provider Identifier (NPI) is 1225210651, issued on Nov 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Nirmalnath, M.D. located?
The NPPES record lists a practice address at 2981 W 4TH St, Ontario, OH, 44906. Phone: (419) 462-4561. Providers update this record themselves, so call before visiting.
How can I verify John Nirmalnath, M.D.'s license?
NPPES lists Ohio license number 3506759, as entered by the provider. 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 John Nirmalnath, M.D. prescribe under Medicare Part D?
In 2024, John Nirmalnath, M.D. had 4,371 Medicare Part D claims for 236 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Nirmalnath, M.D.'s MIPS final score?
The 2023 MIPS final score is 74 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.