Quick answers
- Does Leonard H. Sigal accept Medicare assignment?
- Yes. Medicare's clinician data says Leonard H. Sigal 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.
- What is Leonard H. Sigal's NPI number?
- 1790850444. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Leonard H. Sigal works
Medicare's Facility Affiliation Data lists Leonard H. Sigal 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.
- Berkshire Medical CenterPittsfield, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220046
- Fairview HospitalGreat Barrington, MA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 221302
- North Adams Regional Hospital CorporationNorth Adams, MA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 221304
Practice locations
Addresses where Leonard H. Sigal is enrolled with Medicare (CMS data updated October 2, 2026).
- 725 N StPittsfield, MA 01201 (413) 447‑2695
- 725 N Street Berkshire Ob/gyn of, MbuPittsfield, MA 01201 (413) 499‑8570
- 777 N St, Suite 207Pittsfield, MA 01201 (413) 499‑8510
- 780 S Main St, Suite 2Great Barrington, MA 01230 (413) 447‑2498
Group practices
Medicare enrollment lists Leonard H. Sigal as a member of this group (CMS data updated October 2, 2026).
- Berkshire Faculty Services Inc276 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Pittsfield
Clinicians with the same Medicare primary specialty in Pittsfield, MA — not a recommendation.
Other clinicians in Berkshire Faculty Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790850444 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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