Mark Isacoff, PH.D.
NPI 1972589463 · Clinical Psychologist · Franklin Square, NY
Mark Isacoff, PH.D. is a Clinical Psychologist provider in Franklin Square, NY (NPI 1972589463).
Provider details
- NPI number
- 1972589463
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 009895 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- School Psychologist103TS0200X
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-12-16
- Last updated
- 2010-08-27
Frequently asked questions
- What is Mark Isacoff's NPI number?
- Mark Isacoff's National Provider Identifier (NPI) is 1972589463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Isacoff's specialty?
- Mark Isacoff is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Isacoff located?
- Mark Isacoff's practice location on file with NPPES is 1047 Robin Rd, Franklin Square, NY 11010-1729.
- What is Mark Isacoff's phone number?
- The practice phone number listed in the NPPES registry for Mark Isacoff is (516) 825-2217.
- Is Mark Isacoff's NPI active?
- Yes — Mark Isacoff's NPI (1972589463) is active in the NPPES registry as of the last update on 2010-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.