ALBERT FRANCIS RIELLY III MD
NPI 1689848251
Internal Medicine in Cambridge, MA
About Albert Francis Rielly Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALBERT FRANCIS RIELLY III MD (NPI 1689848251) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (244779) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Albert Francis Rielly Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Albert Rielly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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 02139 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 20
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 Albert Rielly's NPI number?
The NPI number for Albert Rielly is 1689848251. It was assigned to this individual provider in the NPPES registry on April 15, 2008.
Where is Albert Rielly located?
Albert Rielly practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1616.
What is Albert Rielly's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Albert Rielly enrolled in Medicare?
Yes. Albert Rielly is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Albert Rielly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Albert Rielly reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, 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 Albert Rielly'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 Albert Rielly was last updated on August 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Albert Francis Rielly III, MD · NPI 1689848251
Internal Medicine physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since April 15, 2008.
## Identity
- **NPI:** 1689848251 (Entity type: Individual)
- **Enumerated:** April 15, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 244779 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1493 CAMBRIDGE ST, Cambridge, MA 02139-1047
- **Phone:** (617) 665-1616
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2013
- **Other identifiers:** Medicaid 110089240A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1689848251) · Data from the CMS NPPES public registry.