OrganizationActive
Frederick S Mendelsohn MD PC
NPI 1811955461 · Psychiatry Physician · New York, NY
Frederick S Mendelsohn MD PC is a Psychiatry Physician organization in New York, NY (NPI 1811955461).
Provider details
- NPI number
- 1811955461
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Frederick Mendelsohn, President(212) 988-5841
- License
- 083923 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
950 Park Ave
Frederick S Mendelsohn MD PC
New York, NY 10028-0320
Phone: (212) 988-5841
Street-level locationGet directions
Mailing address
950 Park Ave
New York, NY 10028-0320
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2020-08-22
Frequently asked questions
- What is Frederick S Mendelsohn MD PC's NPI number?
- Frederick S Mendelsohn MD PC's National Provider Identifier (NPI) is 1811955461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Frederick S Mendelsohn MD PC?
- Frederick S Mendelsohn MD PC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick S Mendelsohn MD PC located?
- Frederick S Mendelsohn MD PC's practice location on file with NPPES is 950 Park Ave, New York, NY 10028-0320.
- What is Frederick S Mendelsohn MD PC's phone number?
- The practice phone number listed in the NPPES registry for Frederick S Mendelsohn MD PC is (212) 988-5841.
- Who is the authorized official for Frederick S Mendelsohn MD PC?
- The authorized official listed on Frederick S Mendelsohn MD PC's NPPES record is Frederick Mendelsohn, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Frederick S Mendelsohn MD PC's NPI active?
- Yes — Frederick S Mendelsohn MD PC's NPI (1811955461) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.