GREGORY M. SHEEHAN M.D.
NPI 1316238405
Anesthesiology in Pittsfield, MA
About Gregory M. Sheehan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY M. SHEEHAN M.D. (NPI 1316238405) is an individual anesthesiology provider in Pittsfield, Massachusetts, licensed in Massachusetts (272654) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Glens Falls Hospital, and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregory M. Sheehan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Gregory Sheehan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Albany, NY 12208
- Reassigned Medicare billing, New York enrollment
- 1,640 clinicians in this Medicare group
Schenectady, NY 12308
- Reassigned Medicare billing, New York enrollment
- 92 clinicians in this Medicare group
Saranac Lake, NY 12983
- Reassigned Medicare billing, New York enrollment
- 248 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Glens Falls Hospital
Acute Care Hospitals · Glens Falls, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSFIELD, MA 01201
PITTSFIELD, MA 01201
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregory Sheehan's NPI number?
The NPI number for Gregory Sheehan is 1316238405. It was assigned to this individual provider in the NPPES registry on April 25, 2011.
Where is Gregory Sheehan located?
Gregory Sheehan practices at 725 North St, Pittsfield, MA 01201. The listed phone number is (413) 395-7655.
What is Gregory Sheehan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregory Sheehan enrolled in Medicare?
Yes. Gregory Sheehan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Sheehan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Sheehan reassigns Medicare benefits to 3 organizations: Albany Medical College (Albany, NY), Schenectady Anesthesia Associates, P.C. (Schenectady, NY) and Premier Anesthesia Of New York, P.C. (Saranac Lake, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Sheehan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Sheehan affiliated with any hospitals?
According to CMS data, Gregory Sheehan is affiliated with Glens Falls Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Sheehan was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.