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Rheumatology

Sebastian S. Wilk, MD

Works at hospitals in Buffalo, NY · Olean, NY · Jamestown, NY · New York

Summary

Dr. Sebastian S. Wilk, MD is a rheumatologist at 3055 Southwestern Blvd, Suite 100, Orchard Park, NY 14127. Phone: (716) 675-2500. Accepts Medicare assignment. In 2024, Sebastian S. Wilk had 515 Original Medicare patients and 128,078 services. NPI 1619389475. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rheumatologist (Medicare lists Rheumatology)
  • Address: 3055 Southwestern Blvd, Suite 100, Orchard Park, NY 14127 · Directions (1 more location)
  • Phone: (716) 675‑2500
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kaleida Health, Mercy Hospital of Buffalo, Olean General Hospital and 2 more
  • Group practice: Buffalo Rheumatology and Medicine PLLC
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sebastian S. Wilk, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sebastian S. Wilk accept Medicare assignment?
Yes. Medicare's clinician data says Sebastian S. Wilk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sebastian S. Wilk see?
In 2024, CMS data shows 515 Original Medicare patients and 128,078 services for Sebastian S. Wilk. This counts Original Medicare only and measures volume, not quality.
What is Sebastian S. Wilk's NPI number?
1619389475. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sebastian S. Wilk, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients515
Services billed to Medicare128,078
Different services or procedures78
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, golimumab, 1 mg, for intravenous use (J1602)20,000 services
  2. Injection, ferric carboxymaltose, 1 mg (J1439)14,900 services
  3. Injection, denosumab, 1 mg (J0897)10,080 services
  4. Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)8,200 services
  5. Injection, infliximab, excludes biosimilar, 10 mg (J1745)7,713 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Arthritis75%
  • High blood pressure71%
  • Osteoporosis49%
  • Anxiety34%
  • Chronic kidney disease31%

Hospitals where Sebastian S. Wilk works

Medicare's Facility Affiliation Data lists Sebastian S. Wilk at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
  • Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330279
  • Olean General HospitalOlean, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330103
  • Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078
  • UPMC Chautauqua at WcaJamestown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330239

Practice locations

Addresses where Sebastian S. Wilk is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sebastian S. Wilk as a member of this group (CMS data updated October 2, 2026).

  • Buffalo Rheumatology and Medicine PLLC11 clinicians in the group

Specialties

Find other Rheumatology doctors in New York →

Other rheumatologists in Orchard Park

Clinicians with the same Medicare primary specialty in Orchard Park, NY — not a recommendation.

All rheumatologists in Orchard Park →

Other clinicians in Buffalo Rheumatology and Medicine PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1619389475
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians