David Marks, PH.D.
NPI 1427283555 · Clinical Neuropsychologist · New York, NY
David Marks, PH.D. is a Clinical Neuropsychologist provider in New York, NY (NPI 1427283555).
Provider details
- NPI number
- 1427283555
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 016504-1 (NY)
Specialties & taxonomies
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
17 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
- 2009-05-19
- Last updated
- 2009-05-19
Frequently asked questions
- What is David Marks's NPI number?
- David Marks's National Provider Identifier (NPI) is 1427283555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marks's specialty?
- David Marks is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is David Marks located?
- David Marks's practice location on file with NPPES is 1 Gustave L Levy Pl, New York, NY 10029-6500.
- What is David Marks's phone number?
- The practice phone number listed in the NPPES registry for David Marks is (212) 241-4423.
- Is David Marks's NPI active?
- Yes — David Marks's NPI (1427283555) is active in the NPPES registry as of the last update on 2009-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.