Stanley R. Michalski, M.D.
Rheumatology Physician · Williamsville, NY
Stanley R. Michalski, M.D. is a rheumatology physician with a practice address in Williamsville, New York, and NPI 1386649721, issued on Jun 14, 2005. Check the license (New York 108355, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stanley R. Michalski
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 108355 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 International Dr., Williamsville, NY 14221
- Phone
- (716) 631-3555
- Enumerated
- Jun 14, 2005
- Record last updated
- Aug 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (716) 631-9525
- Medicare enrollment
- Enrolled (PECOS I20100128000446); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1966
- Entity
- Type 1 · individual
Also registered at 400 International Dr.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jean Cange, M.D.Family Medicine Physician1477512259
- Steven Celotto, D.C.Chiropractor1598705105
- Michael Giglio, MDNeurology Physician1770780850
- Gaurav Jain, MDInternal Medicine Physician1447416979
- Brian Karaszewski, M.D.Internal Medicine Physician1255478376
- Michael Landi, MDNeurological Surgery Physician1437116308
Verify Stanley R. Michalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 108355Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average rheumatology physician in 2024
5,256 Medicare Part D claims for 397 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 895 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen486 claims
- Prednisone402 claims
- Methotrexate218 claims
- Lisinopril186 claims
- Hydroxychloroquine Sulfate178 claims
- Levothyroxine Sodium122 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,526.82
76 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Brain And Spine Medical Services PLLCWilliamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rheumatology Physician providers in New York
There are 599 rheumatology physician records in New York.
Other rheumatology physician records in New York
- Mary Abdulky, MDSyracuse, NY1821060153
- Ilana Abeles, M.D., PHDRochester, NY1770963464
- Jihad Abialmouna, M.D.West Amherst, NY1396793782
- Omar Abialmouna, MDBuffalo, NY1518527092
- Tobin Abraham, M.D.Hewlett, NY1649683889
- Irina Abramova, D.ONew Hyde Park, NY1174881551
- Steven Abramson, MDNew York, NY1144294687
- Adriana Abrudescu, MDJamaica, NY1194812933
- Muhamed Abubacker, MBBS, MDBronx, NY1639675424
- Donna Acquafredda, M.D.Staten Island, NY1720072481
Common questions
What is Stanley R. Michalski, M.D.'s NPI number?
Stanley R. Michalski, M.D.'s National Provider Identifier (NPI) is 1386649721, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stanley R. Michalski, M.D. located?
The NPPES record lists a practice address at 400 International Dr., Williamsville, NY, 14221. Phone: (716) 631-3555. Providers update this record themselves, so call before visiting.
How can I verify Stanley R. Michalski, M.D.'s license?
NPPES lists New York license number 108355, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stanley R. Michalski, M.D. prescribe under Medicare Part D?
In 2024, Stanley R. Michalski, M.D. had 5,256 Medicare Part D claims for 397 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Stanley R. Michalski, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.