Doctor profile · Federal record

Dr. Stanley Michalski, M.D.

Rheumatology Physician · Williamsville, NY

  • NPI 1386649721
  • MIPS 75.6 / 100 · 2023
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 International Dr.
Williamsville, NY 14221
(716) 631-3555
fax (716) 631-9525

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
August 19, 2019
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
New York #108355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386649721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
281
Distinct HCPCS
4
Medicare allowed
$20,017
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 147 78 $86
J1020 Injection, methylprednisolone acetate, 20 mg 66 16 $6
99214 Established patient office or other outpatient visit, 30-39 minutes 43 30 $123
20610 Aspiration and/or injection of fluid from large joint 25 12 $70

In context: peer comparison

Among 3 peers in this city , average services per provider: 816. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,527
Transactions
74
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 22 $438.52
ABBVIE INC. 12 $257.64
Lilly USA, LLC 9 $143.11
Boehringer Ingelheim Pharmaceuticals, Inc. 5 $118.00
PFIZER INC. 6 $110.80
GlaxoSmithKline, LLC. 4 $106.09
BioCryst US Sales Co., LLC 5 $101.65
AstraZeneca Pharmaceuticals LP 2 $44.16
Exact Sciences Corporation 2 $43.79
Aurinia Pharma U.S., Inc. 2 $38.33
Janssen Biotech, Inc. 1 $22.46
Phathom Pharmaceuticals, Inc. 1 $20.39
E.R. Squibb & Sons, L.L.C. 1 $17.73
Regeneron Healthcare Solutions, Inc. 1 $17.31
Novo Nordisk Inc 1 $16.05

By nature of payment

Food and Beverage
$1,507
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,654
Patients
534
Total drug cost
$133,288
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 553 80 $15,367
Prednisone Generic 398 78 $3,761
Methotrexate (Methotrexate Sodium) Brand 256 57 $7,400
Hydroxychloroquine Sulfate Generic 193 44 $8,703
Lisinopril Generic 176 43 $1,950
Amlodipine Besylate Generic 144 32 $2,006
Levothyroxine Sodium Generic 136 33 $2,829
Atorvastatin Calcium Generic 134 35 $2,255
Omeprazole Generic 133 28 $1,520
Alendronate Sodium Generic 102 33 $876

Frequently asked questions

Auto-generated from federal data
What is Dr. Stanley Michalski's medical specialty?
Dr. Stanley Michalski practices Rheumatology Physician in Williamsville, NY.
Where does Dr. Stanley Michalski practice?
Dr. Stanley Michalski practices at 400 International Dr., Williamsville, NY 14221. Office phone: 7166313555.
What is Dr. Stanley Michalski's NPI?
Dr. Stanley Michalski's National Provider Identifier (NPI) is 1386649721, issued by NPPES.
What procedures does Dr. Stanley Michalski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, methylprednisolone acetate, 20 mg (HCPCS J1020); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.