Leonard Mannarelli, D.O.
NPI 1982770764 · Internal Medicine Physician · Providence, RI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Mannarelli, D.O. is a Internal Medicine Physician provider in Providence, RI (NPI 1982770764).
Provider details
- NPI number
- 1982770764
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DO452 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 296 | 64 |
| Atorvastatin Calcium | 277 | 61 |
| Lisinopril | 263 | 53 |
| Omeprazole | 253 | 53 |
| Gabapentin | 243 | 33 |
| Levothyroxine Sodium | 231 | 40 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 725 Reservoir Ave Ste 6aCranston, RI 02910-4450Phone: (401) 942-2320
Registry dates
- Enumerated
- 2006-11-25
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Leonard Mannarelli's NPI number?
- Leonard Mannarelli's National Provider Identifier (NPI) is 1982770764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Mannarelli's specialty?
- Leonard Mannarelli is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Mannarelli located?
- Leonard Mannarelli's practice location on file with NPPES is 50 Maude St, Providence, RI 02908-4325.
- What is Leonard Mannarelli's phone number?
- The practice phone number listed in the NPPES registry for Leonard Mannarelli is (401) 456-2145.
- Does Leonard Mannarelli accept Medicare?
- Leonard Mannarelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Mannarelli's NPI active?
- Yes — Leonard Mannarelli's NPI (1982770764) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.