Irwin Mendelsohn, MD
NPI 1730254699 · Psychiatry Physician · New York, NY
Irwin Mendelsohn, MD is a Psychiatry Physician provider in New York, NY (NPI 1730254699).
Provider details
- NPI number
- 1730254699
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 79596 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-11-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Irwin Mendelsohn's NPI number?
- Irwin Mendelsohn's National Provider Identifier (NPI) is 1730254699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Mendelsohn's specialty?
- Irwin Mendelsohn is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Irwin Mendelsohn located?
- Irwin Mendelsohn's practice location on file with NPPES is 50 Park Av Apt 8f, New York, NY 10016.
- What is Irwin Mendelsohn's phone number?
- The practice phone number listed in the NPPES registry for Irwin Mendelsohn is (212) 726-9886.
- Is Irwin Mendelsohn's NPI active?
- Yes — Irwin Mendelsohn's NPI (1730254699) 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.