Doctor profile · Federal record

Dr. PETER KOWALSKI, MD

Psychiatry Physician (CMS: PSYCHIATRY) · Child & Adolescent Psychiatry Physician · TUCSON, AZ

  • NPI 1639107444
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 E AJO WAY
TUCSON, AZ 857136204
(520) 871-7500
fax (208) 747-5395

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 11, 2025
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Arizona #16966

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639107444. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
175
Distinct HCPCS
1
Medicare allowed
$19,844
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 175 53 $113

In context: peer comparison

Among 29 peers in this city , average services per provider: 147. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,810
Transactions
116
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Alkermes, Inc. 22 $375.71
ABBVIE INC. 31 $312.78
Teva Pharmaceuticals USA, Inc. 23 $303.96
Janssen Pharmaceuticals, Inc 12 $286.36
Lundbeck LLC 7 $138.39
Neurocrine Biosciences, Inc. 6 $100.86
Vanda Pharmaceuticals Inc. 3 $92.96
Indivior Inc. 5 $80.30
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $39.20
Otsuka America Pharmaceutical, Inc. 2 $33.31
E.R. Squibb & Sons, L.L.C. 2 $29.49
Axsome Therapeutics, Inc. 1 $16.35

By nature of payment

Food and Beverage
$1,810

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,148
Patients
144
Total drug cost
$195,251
Drug Type Claims Patients Total cost
Gabapentin Generic 117 21 $2,540
Duloxetine Hcl Generic 105 18 $2,214
Clozapine Generic 104 0 $11,342
Trazodone Hcl Generic 99 22 $1,363
Benztropine Mesylate Generic 95 13 $1,058
Quetiapine Fumarate Generic 87 16 $2,547
Risperidone Generic 86 16 $1,298
Lorazepam Generic 72 0 $502
Escitalopram Oxalate Generic 66 11 $874
Lamotrigine Generic 62 14 $1,212