Robert Klein, MD
NPI 1538263637 · Gastroenterology Physician · Mineola, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Klein, MD is a Gastroenterology Physician provider in Mineola, NY (NPI 1538263637).
Provider details
- NPI number
- 1538263637
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 140524-1 (NY)
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
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
- 2006-09-11
- Last updated
- 2010-07-30
Frequently asked questions
- What is Robert Klein's NPI number?
- Robert Klein's National Provider Identifier (NPI) is 1538263637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Klein's specialty?
- Robert Klein is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Klein located?
- Robert Klein's practice location on file with NPPES is 300 Old Country Road Suite 31, Mineola, NY 11501.
- What is Robert Klein's phone number?
- The practice phone number listed in the NPPES registry for Robert Klein is (516) 294-9380.
- Does Robert Klein accept Medicare?
- Robert Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Klein's NPI active?
- Yes — Robert Klein's NPI (1538263637) is active in the NPPES registry as of the last update on 2010-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.