Doctor profile · Federal record

Dr. John Nirmalnath, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Ontario, OH

  • NPI 1225210651
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2981 W 4Th St
Ontario, OH 449061267
(419) 462-4561
Mailing address
700 N Columbus St
Crestline, OH 448271455

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
January 6, 2021
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Ohio #3506759
Medicaid
OH #0193311

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225210651. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,317
Transactions
79
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 16 $257.47
PFIZER INC. 17 $195.62
AstraZeneca Pharmaceuticals LP 10 $177.62
Novo Nordisk Inc 11 $177.19
Novartis Pharmaceuticals Corporation 7 $168.80
Phathom Pharmaceuticals, Inc. 3 $65.69
Lilly USA, LLC 4 $62.27
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $36.85
Sumitomo Pharma America, Inc. 2 $32.29
Bayer Healthcare Pharmaceuticals Inc. 2 $31.56
Inspire Medical Systems, Inc. 1 $24.60
Exact Sciences Corporation 1 $23.33
Axsome Therapeutics, Inc. 1 $16.64
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $16.39
Esperion Therapeutics, Inc. 1 $15.58

By nature of payment

Food and Beverage
$1,317

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,209
Patients
574
Total drug cost
$30,277
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 343 84 $2,013
Atorvastatin Calcium Generic 283 82 $2,697
Levothyroxine Sodium Generic 200 48 $2,783
Pantoprazole Sodium Generic 162 42 $2,648
Lisinopril Generic 138 28 $1,237
Rosuvastatin Calcium Generic 132 31 $1,682
Irbesartan Generic 128 33 $3,783
Losartan Potassium Generic 118 27 $1,769
Omeprazole Generic 117 32 $1,481
Metoprolol Succinate Generic 116 32 $2,881

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nirmalnath's medical specialty?
Dr. John Nirmalnath practices Internal Medicine Physician in Ontario, OH.
Where does Dr. John Nirmalnath practice?
Dr. John Nirmalnath practices at 2981 W 4Th St, Ontario, OH 449061267. Office phone: 4194624561.
What is Dr. John Nirmalnath's NPI?
Dr. John Nirmalnath's National Provider Identifier (NPI) is 1225210651, issued by NPPES.
Does Dr. John Nirmalnath accept Medicare assignment?
Yes. Dr. John Nirmalnath accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.