Doctor profile · Federal record

Dr. Gregory Johnson, D.O.

Hospitalist Physician (CMS: Internal Medicine) · Hospitalist Physician · Massillon, OH

  • NPI 1043485501
  • Accepts Medicare
  • MIPS 79.5 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
875 8Th St Ne
Massillon, OH 446468503
(330) 834-4798

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
February 9, 2018
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Ohio #34.009304 · Ohio #58-001893

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043485501. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
635
Distinct HCPCS
4
Medicare allowed
$68,097
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 358 141 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 145 84 $76
99239 Hospital discharge day management, more than 30 minutes 110 106 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 21 $168

In context: peer comparison

Among 1 peers in this city , average services per provider: 158. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $17.47
Gilead Sciences, Inc. 1 $17.00

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
217
Patients
200
Total drug cost
$12,201
Drug Type Claims Patients Total cost
Cefdinir Generic 42 42 $477
Prednisone Generic 33 31 $95
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 20 $172
Metoprolol Tartrate Generic 19 19 $90
Doxycycline Hyclate Generic 18 16 $126
Pantoprazole Sodium Generic 17 17 $193
Eliquis (Apixaban) Brand 16 15 $9,886
Furosemide Generic 15 15 $38
Amlodipine Besylate Generic 14 14 $43
Hydralazine Hcl Generic 11 0 $152

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Johnson's medical specialty?
Dr. Gregory Johnson practices Hospitalist Physician in Massillon, OH.
Where does Dr. Gregory Johnson practice?
Dr. Gregory Johnson practices at 875 8Th St Ne, Massillon, OH 446468503. Office phone: 3308344798.
What is Dr. Gregory Johnson's NPI?
Dr. Gregory Johnson's National Provider Identifier (NPI) is 1043485501, issued by NPPES.
Does Dr. Gregory Johnson accept Medicare assignment?
Yes. Dr. Gregory Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Johnson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.