DR. LEONARD ANTHONY MANNARELLI D.O.
NPI 1982770764
Internal Medicine in Providence, RI
About Dr. Leonard Anthony Mannarelli D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEONARD ANTHONY MANNARELLI D.O. (NPI 1982770764) is an individual internal medicine provider in Providence, Rhode Island, licensed in Rhode Island (DO452) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of Fatima Hospital, and maintains a secondary practice location in Cranston.
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
Dr. Leonard Anthony Mannarelli 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
3Medicare enrollment records show Leonard Mannarelli reassigns Medicare billing to 3 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
Scituate, RI 02857
- Reassigned Medicare billing, Rhode Island enrollment
- 39 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.
Hospital Affiliations CMS Care Compare
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, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02908 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PROVIDENCE, RI 02908
PROVIDENCE, RI 02908
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 Leonard Mannarelli's NPI number?
The NPI number for Leonard Mannarelli is 1982770764. It was assigned to this individual provider in the NPPES registry on November 25, 2006.
Where is Leonard Mannarelli located?
Leonard Mannarelli practices at 50 Maude St, Providence, RI 02908. The listed phone number is (401) 456-2145.
What is Leonard Mannarelli's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Leonard Mannarelli enrolled in Medicare?
Yes. Leonard Mannarelli 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 Leonard Mannarelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Mannarelli reassigns Medicare benefits to 3 organizations: Chartercare Physicians, LLC (Cranston, RI), Prospect Chartercare Physicians, LLC (Cranston, RI) and Northwest Community Health Care (Scituate, 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 Leonard Mannarelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Leonard Mannarelli affiliated with any hospitals?
According to CMS data, Leonard Mannarelli is affiliated with Our Lady Of Fatima Hospital.
When was this NPI record last updated?
The NPPES record for Leonard Mannarelli was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Leonard Anthony Mannarelli, D.O. · NPI 1982770764
Internal Medicine physician in Providence, Rhode Island. Individual provider, active in the CMS NPPES registry since November 25, 2006.
## Identity
- **NPI:** 1982770764 (Entity type: Individual)
- **Enumerated:** November 25, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** DO452 (Rhode Island)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 MAUDE ST, Providence, RI 02908-4325
- **Phone:** (401) 456-2145
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Chartercare Physicians, LLC (NPI 1235945650, Cranston, RI); Prospect Chartercare Physicians, LLC (NPI 1629493135, Cranston, RI); Northwest Community Health Care (NPI 1003362864, Scituate, RI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 1993
## Record status
- **NPPES last updated:** January 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1982770764) · Data from the CMS NPPES public registry.