DR. MARK R. SELBY D.O.
NPI 1265476782
Internal Medicine in Pittsfield, MA
About Dr. Mark R. Selby D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK R. SELBY D.O. (NPI 1265476782) is an individual internal medicine provider in Pittsfield, Massachusetts, licensed in Massachusetts (MA43107) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mark R. Selby D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mark Selby's NPI number?
The NPI number for Mark Selby is 1265476782. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is Mark Selby located?
Mark Selby practices at 73 Eagle St, Pittsfield, MA 01201. The listed phone number is (413) 499-2672.
What is Mark Selby's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mark Selby enrolled in Medicare?
Yes. Mark Selby is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Mark Selby was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.