Doctor profile · Federal record

Dr. John Nadas, M.D.

Psychiatry Physician (CMS: Psychiatry) · Canton, OH

  • NPI 1104922798
  • Accepts Medicare
  • 52 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1330 Mercy Dr Nw, Suite 320
Canton, OH 447082626
(330) 489-1495

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Ohio #35-050424
Medicaid
OH #0553066

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104922798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
2
Medicare allowed
$9,047
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 61 32 $47
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 50 49 $124

In context: peer comparison

Among 5 peers in Canton Psychiatry Physician, average services per provider: 104. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
461
Patients
24
Total drug cost
$9,557
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 66 13 $1,259
Bupropion Hcl SR (Bupropion Hcl) Brand 52 0 $991
Trazodone Hcl Generic 45 0 $835
Lamotrigine Generic 42 0 $726
Duloxetine Hcl Generic 39 11 $780
Paroxetine Hcl Generic 34 0 $294
Mirtazapine Generic 32 0 $299
Gabapentin Generic 28 0 $682
Escitalopram Oxalate Generic 25 0 $224
Aripiprazole Generic 20 0 $1,831

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nadas's medical specialty?
Dr. John Nadas practices Psychiatry Physician in Canton, OH.
Where does Dr. John Nadas practice?
Dr. John Nadas practices at 1330 Mercy Dr Nw, Canton, OH 447082626. Office phone: 3304891495.
What is Dr. John Nadas's NPI?
Dr. John Nadas's National Provider Identifier (NPI) is 1104922798, issued by NPPES.
Does Dr. John Nadas accept Medicare assignment?
Yes. Dr. John Nadas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Nadas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.