Marc Janoson, PH.D.
NPI 1790958940 · Counseling Psychologist · Manhasset, NY
Marc Janoson, PH.D. is a Counseling Psychologist provider in Manhasset, NY (NPI 1790958940).
Provider details
- NPI number
- 1790958940
- Entity type
- Individual
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 006325 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
18 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
- 2008-04-09
- Last updated
- 2018-04-13
Frequently asked questions
- What is Marc Janoson's NPI number?
- Marc Janoson's National Provider Identifier (NPI) is 1790958940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Janoson's specialty?
- Marc Janoson is listed in the NPPES registry with a primary specialty of Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is Marc Janoson located?
- Marc Janoson's practice location on file with NPPES is 75 Plandome Rd, Manhasset, NY 11030-2303.
- What is Marc Janoson's phone number?
- The practice phone number listed in the NPPES registry for Marc Janoson is (516) 304-5700.
- Is Marc Janoson's NPI active?
- Yes — Marc Janoson's NPI (1790958940) is active in the NPPES registry as of the last update on 2018-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.