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
- Primary practice
-
2800 E Ajo Way
Tucson, AZ 857136204
(520) 871-7500
fax (208) 747-5395
Credentials & registration
- 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
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
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 Tucson Psychiatry Physician, average services per provider: 147. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
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
Medicare Part D · 2023
Top prescriptions
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 |
Frequently asked questions
What is Dr. Peter Kowalski's medical specialty?
Dr. Peter Kowalski practices Psychiatry Physician in Tucson, AZ.
Where does Dr. Peter Kowalski practice?
Dr. Peter Kowalski practices at 2800 E Ajo Way, Tucson, AZ 857136204. Office phone: 5208717500.
What is Dr. Peter Kowalski's NPI?
Dr. Peter Kowalski's National Provider Identifier (NPI) is 1639107444, issued by NPPES.
Does Dr. Peter Kowalski accept Medicare assignment?
Yes. Dr. Peter Kowalski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Kowalski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.