Robert Ratner, MD
NPI 1326095860 · Endocrinology, Diabetes & Metabolism Physician · Washington, DC
Robert Ratner, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Washington, DC (NPI 1326095860).
Provider details
- NPI number
- 1326095860
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD13464 (DC)
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
- 2006-05-30
- Last updated
- 2012-03-14
Frequently asked questions
- What is Robert Ratner's NPI number?
- Robert Ratner's National Provider Identifier (NPI) is 1326095860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ratner's specialty?
- Robert Ratner is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Ratner located?
- Robert Ratner's practice location on file with NPPES is 110 Irving St Nw, Washington, DC 20010-2976.
- What is Robert Ratner's phone number?
- The practice phone number listed in the NPPES registry for Robert Ratner is (202) 877-2848.
- Is Robert Ratner's NPI active?
- Yes — Robert Ratner's NPI (1326095860) is active in the NPPES registry as of the last update on 2012-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.