DR. GREGORY G ALLEN D.O.
NPI 1043217250
Internal Medicine in Cranston, RI
About Dr. Gregory G Allen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY G ALLEN D.O. (NPI 1043217250) is an individual internal medicine provider in Cranston, Rhode Island, licensed in Rhode Island (DO 00582) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of Fatima Hospital, and is a graduate of University Of New England, College Of Osteo Medicine (2002).
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 and accepts Medicare assignment
Dr. Gregory G Allen D.o. 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
5Medicare enrollment records show Gregory Allen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cranston, RI 02920
- Reassigned Medicare billing, Rhode Island enrollment
- 65 clinicians in this Medicare group
Cranston, RI 02920
- Reassigned Medicare billing, Rhode Island enrollment
- 146 clinicians in this Medicare group
Providence, RI 02908
- Reassigned Medicare billing, Rhode Island enrollment
- 96 clinicians in this Medicare group
Providence, RI 02908
- Reassigned Medicare billing, Rhode Island enrollment
- 162 clinicians in this Medicare group
Cumberland, RI 02864
- Reassigned Medicare billing, Rhode Island enrollment
- 33 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Our Lady Of Fatima Hospital
Acute Care Hospitals · North Providence, RIRhode Island Hospital
Acute Care Hospitals · Providence, RIKent County Memorial Hospital
Acute Care Hospitals · Warwick, RIThe Miriam Hospital
Acute Care Hospitals · Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02920 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CRANSTON, RI 02920
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 Allen's NPI number?
The NPI number for Gregory Allen is 1043217250. It was assigned to this individual provider in the NPPES registry on July 1, 2005.
Where is Gregory Allen located?
Gregory Allen practices at 1681 Cranston St Suite D, Cranston, RI 02920. The listed phone number is (401) 946-8446.
What is Gregory Allen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gregory Allen enrolled in Medicare?
Yes. Gregory Allen 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 Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Allen reassigns Medicare benefits to 5 organizations: Chartercare Physicians, LLC (Cranston, RI), Prospect Chartercare Physicians, LLC (Cranston, RI), Chartercare Roger Williams Medical Center (Providence, RI), Prospect Chartercare Rwmc, LLC (Providence, RI) and Vmd Primary Providers Of Rhode Island PC (Cumberland, RI). 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 Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Allen affiliated with any hospitals?
According to CMS data, Gregory Allen is affiliated with Our Lady Of Fatima Hospital, Rhode Island Hospital, Kent County Memorial Hospital and The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Allen was last updated on August 28, 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.