Martin Klahr, M.D.
NPI 1407927858 · Gastroenterology Physician · Staten Island, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Klahr, M.D. is a Gastroenterology Physician provider in Staten Island, NY (NPI 1407927858).
Provider details
- NPI number
- 1407927858
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 165585 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-11-09
- Last updated
- 2024-12-30
- Certified
- 2024-12-30
Frequently asked questions
- What is Martin Klahr's NPI number?
- Martin Klahr's National Provider Identifier (NPI) is 1407927858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Klahr's specialty?
- Martin Klahr is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Klahr located?
- Martin Klahr's practice location on file with NPPES is 2026 Richmond Rd, Staten Island, NY 10306-2549.
- What is Martin Klahr's phone number?
- The practice phone number listed in the NPPES registry for Martin Klahr is (718) 667-9000.
- Does Martin Klahr accept Medicare?
- Martin Klahr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Klahr's NPI active?
- Yes — Martin Klahr's NPI (1407927858) is active in the NPPES registry as of the last update on 2024-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.