Mark Mellinger, PHD
NPI 1629069711 · Clinical Psychologist · New York, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mellinger, PHD is a Clinical Psychologist provider in New York, NY (NPI 1629069711).
Provider details
- NPI number
- 1629069711
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 006704-1 (NY)
Specialties & taxonomies
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
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
- 2005-10-29
- Last updated
- 2011-01-27
Frequently asked questions
- What is Mark Mellinger's NPI number?
- Mark Mellinger's National Provider Identifier (NPI) is 1629069711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mellinger's specialty?
- Mark Mellinger is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Mellinger located?
- Mark Mellinger's practice location on file with NPPES is 680 W End Ave, New York, NY 10025-6815.
- What is Mark Mellinger's phone number?
- The practice phone number listed in the NPPES registry for Mark Mellinger is (212) 864-2436.
- Does Mark Mellinger accept Medicare?
- Mark Mellinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mellinger's NPI active?
- Yes — Mark Mellinger's NPI (1629069711) is active in the NPPES registry as of the last update on 2011-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.