Doctor profile · Federal record
Dr. Peter Kowalski, MD
Family Medicine Physician (CMS: Family Practice) · Williamsville, NY
- NPI 1003809393
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
850 Hopkins RD
Williamsville, NY 142211729
(716) 688-9641
fax (716) 829-2447
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- June 5, 2012
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- New York #171307
- Medicaid
- NY #01169011
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003809393. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
337
Distinct HCPCS
10
Medicare allowed
$30,564
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 77 | 77 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 70 | 61 | $87 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 65 | 60 | $124 | |
G0008 |
Administration of influenza virus vaccine | 27 | 27 | $30 | |
83036 |
Hemoglobin a1c level | 23 | 22 | $10 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 20 | 11 | $77 | |
90662 |
Influenza vaccine split virus, preservative free | 16 | 16 | $72 | |
99238 |
Hospital discharge day management, 30 minutes or less | 16 | 16 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $126 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 11 | 11 | $33 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 47. This provider delivers 7.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,020
Patients
794
Total drug cost
$160,373
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 380 | 107 | $3,649 |
| Amlodipine Besylate | Generic | 337 | 81 | $3,106 |
| Atorvastatin Calcium | Generic | 303 | 81 | $5,897 |
| Levothyroxine Sodium | Generic | 300 | 83 | $6,436 |
| Rosuvastatin Calcium | Generic | 260 | 72 | $5,978 |
| Omeprazole | Generic | 237 | 58 | $3,342 |
| Metformin Hcl | Generic | 190 | 55 | $2,903 |
| Hydrochlorothiazide | Generic | 188 | 43 | $1,299 |
| Gabapentin | Generic | 140 | 30 | $3,479 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 129 | 34 | $2,918 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Kowalski's medical specialty?
Dr. Peter Kowalski practices Family Medicine Physician in Williamsville, NY.
Where does Dr. Peter Kowalski practice?
Dr. Peter Kowalski practices at 850 Hopkins RD, Williamsville, NY 142211729. Office phone: 7166889641.
What is Dr. Peter Kowalski's NPI?
Dr. Peter Kowalski's National Provider Identifier (NPI) is 1003809393, 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: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.