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DR. LEONARD ANTHONY MANNARELLI D.O.
NPI 1982770764
Internal Medicine in Providence, RI

Active since November 25, 2006PECOS Enrolled
50 MAUDE ST, PROVIDENCE, RI 02908(401) 456-2145 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 5, 2026, Jan 11, 2017 (2 updates tracked since 2017).

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 and maintains a secondary practice location in Cranston.

NPPES Registry Identity

NPI1982770764
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LEONARD ANTHONY MANNARELLICredential: D.O.
Location Address50 MAUDE STProvidence, RI 02908-4325
Mailing AddressPo Box 312Pascoag, RI 02859-0312 · (401) 567-0800 · Fax (401) 567-0900
Phone(401) 456-2145
Sole ProprietorNo
Enumeration DateNovember 25, 2006
Last NPPES UpdateJanuary 5, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1982770764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · DO452
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
50 MAUDE ST, Providence, RI 02908
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Secondary Practice Location 1

Location 1725 Reservoir Ave Ste 6ACranston, RI 02910-4450 · Phone (401) 942-2320

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. Leonard Anthony Mannarelli D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician 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.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers22 claims75 services$5.78 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers11 claims20 services$0.97 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ROGER WILLIAMS RADIATION THERAPY, LLC
Radiology (Radiation Oncology)
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 456-2690
DANIEL N VALICENTI MD
Internal Medicine
50 MAUDE ST, 4TH FLOOR
PROVIDENCE, RI 02908
Providence County (401) 456-5300
MOHAMMAD ABDALLAT MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 456-2077
NEW UNIVERSITY MEDICAL GROUP LLC
Internal Medicine
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 456-2525
ROGER WILLIAMS MEDICAL CENTER
Home Health
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 456-2273
ELINA GOMAN BASKIN O.D.
Optometrist
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 351-5664
RABIH EL-BIZRI MD
Internal Medicine (Pulmonary Disease)
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 456-5714
ELMHURST EXTENDED CARE FACILITIES, INC.
Skilled Nursing Facility
50 MAUDE ST
PROVIDENCE, RI 02908
Providence County (401) 456-2623

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 enrollment system.

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 7 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.