Ruben Diaz, M.D.
NPI 1497793780 · Pediatric Endocrinology Physician · Boston, MA
Ruben Diaz, M.D. is a Pediatric Endocrinology Physician provider in Boston, MA (NPI 1497793780).
Provider details
- NPI number
- 1497793780
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 81503 (MA)
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
20 yrs 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
- 2006-06-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ruben Diaz's NPI number?
- Ruben Diaz's National Provider Identifier (NPI) is 1497793780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruben Diaz's specialty?
- Ruben Diaz is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Diaz located?
- Ruben Diaz's practice location on file with NPPES is 300 Longwood Avenue, Boston, MA 02215.
- What is Ruben Diaz's phone number?
- The practice phone number listed in the NPPES registry for Ruben Diaz is (617) 919-2930.
- Is Ruben Diaz's NPI active?
- Yes — Ruben Diaz's NPI (1497793780) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.