Isaac Kligman, M.D.
NPI 1003902040 · Reproductive Endocrinology Physician · New York, NY
Enrolled with Medicare as Order and Referring Only - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Kligman, M.D. is a Reproductive Endocrinology Physician provider in New York, NY (NPI 1003902040).
Provider details
- NPI number
- 1003902040
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 191273 (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
- 2006-10-05
- Last updated
- 2015-06-30
Frequently asked questions
- What is Isaac Kligman's NPI number?
- Isaac Kligman's National Provider Identifier (NPI) is 1003902040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Kligman's specialty?
- Isaac Kligman is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Kligman located?
- Isaac Kligman's practice location on file with NPPES is 1305 York Ave, New York, NY 10021-5663.
- What is Isaac Kligman's phone number?
- The practice phone number listed in the NPPES registry for Isaac Kligman is (646) 962-3814.
- Does Isaac Kligman accept Medicare?
- Isaac Kligman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Kligman's NPI active?
- Yes — Isaac Kligman's NPI (1003902040) is active in the NPPES registry as of the last update on 2015-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.