Samuel Diaz, MD
NPI 1821882002 · Family Medicine Physician · Warwick, RI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Diaz, MD is a Family Medicine Physician provider in Warwick, RI (NPI 1821882002).
Provider details
- NPI number
- 1821882002
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- CLP06659 (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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-04
- Last updated
- 2025-06-27
- Certified
- 2025-06-27
Frequently asked questions
- What is Samuel Diaz's NPI number?
- Samuel Diaz's National Provider Identifier (NPI) is 1821882002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Diaz's specialty?
- Samuel Diaz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Diaz located?
- Samuel Diaz's practice location on file with NPPES is 455 Toll Gate Rd, Warwick, RI 02886-2759.
- What is Samuel Diaz's phone number?
- The practice phone number listed in the NPPES registry for Samuel Diaz is (401) 737-7010.
- Does Samuel Diaz accept Medicare?
- Samuel Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Diaz's NPI active?
- Yes — Samuel Diaz's NPI (1821882002) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.