Quick answers
- Which hospitals does Heather M. Larson work at?
- Medicare's official clinician data lists Heather M. Larson at 4 hospitals: Brooks-Tlc Hospital System, Inc, Kaleida Health, Mercy Hospital of Buffalo and Sisters of Charity Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Heather M. Larson see patients?
- Medicare's clinician data lists 4 practice locations, including Williamsville, NY and Orchard Park, NY. Call before your visit to confirm the address.
- What is Heather M. Larson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Heather M. Larson accept Medicare assignment?
- Yes. Medicare's clinician data says Heather M. Larson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Heather M. Larson?
- (716) 677-9220, as listed in official Medicare / NPI Registry data.
- What is Heather M. Larson's NPI number?
- 1003249269. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Heather M. Larson works
Medicare's Facility Affiliation Data lists Heather M. Larson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brooks-Tlc Hospital System, IncDunkirk, NY · Acute Care Hospital · CCN 330229
- Kaleida HealthBuffalo, NY · Acute Care Hospital · CCN 330005
- Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · CCN 330279
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · CCN 330078
Practice locations
Addresses where Heather M. Larson is enrolled with Medicare (CMS data updated 2026-10-02).
- 199 Park Club LnWilliamsville, NY 14221
- 3065 Southwestern BlvdOrchard Park, NY 14127
- 310 Sterling Dr, S 105Orchard Park, NY 14127
- 310 Sterling Dr, Suite 105Orchard Park, NY 14127 (716) 677‑9220
Group practices
Medicare enrollment lists Heather M. Larson as a member of these groups (CMS data updated 2026-10-02).
- Rpci Oncology, PC65 clinicians in the group
- Southtowns Gastroenterology, PLLC3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003249269 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians