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Martin Seif, PH.D.
NPI 1225150584 · Clinical Psychologist · New York, NY
Martin Seif, PH.D. is a Clinical Psychologist provider in New York, NY (NPI 1225150584).
Provider details
- NPI number
- 1225150584
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5457 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
211 W 56th St
Suite 8j
New York, NY 10019-4312
Phone: (212) 586-0434
Fax: (203) 629-1212
Street-level locationGet directions
Mailing address
11 River Rd
Cos Cob, CT 06807-2754
Registry dates
- Enumerated
- 2007-04-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Seif's NPI number?
- Martin Seif's National Provider Identifier (NPI) is 1225150584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Seif's specialty?
- Martin Seif is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Martin Seif located?
- Martin Seif's practice location on file with NPPES is 211 W 56th St, New York, NY 10019-4312.
- What is Martin Seif's phone number?
- The practice phone number listed in the NPPES registry for Martin Seif is (212) 586-0434.
- Is Martin Seif's NPI active?
- Yes — Martin Seif's NPI (1225150584) 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.