RUTH A MCLAIN M.D.
NPI 1871526178
Internal Medicine in Randolph, MA
About Ruth A Mclain M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH A MCLAIN M.D. (NPI 1871526178) is an individual internal medicine provider in Randolph, Massachusetts, licensed in Massachusetts (37255) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ruth A Mclain M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ruth Mclain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Randolph, MA 02368
- Reassigned Medicare billing, Massachusetts enrollment
- 9 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02368 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANDOLPH, MA 02368
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 Ruth Mclain's NPI number?
The NPI number for Ruth Mclain is 1871526178. It was assigned to this individual provider in the NPPES registry on July 9, 2006.
Where is Ruth Mclain located?
Ruth Mclain practices at 1 Credit Union Way, Randolph, MA 02368. The listed phone number is (781) 341-4145.
What is Ruth Mclain's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ruth Mclain enrolled in Medicare?
Yes. Ruth Mclain is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ruth Mclain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Mclain reassigns Medicare benefits to Old Colony Hospice Inc. (Randolph, MA). The 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 Ruth Mclain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ruth Mclain was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.