Mark Sehl, PHD, LCSW
NPI 1063702462 · Clinical Social Worker · New York, NY
Mark Sehl, PHD, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1063702462).
Provider details
- NPI number
- 1063702462
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD, LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- PR004650-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Psychoanalyst102L00000X
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
15 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
- 2011-04-19
- Last updated
- 2011-04-21
Frequently asked questions
- What is Mark Sehl's NPI number?
- Mark Sehl's National Provider Identifier (NPI) is 1063702462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sehl's specialty?
- Mark Sehl is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Sehl located?
- Mark Sehl's practice location on file with NPPES is 59 W 9th St, New York, NY 10011-8901.
- What is Mark Sehl's phone number?
- The practice phone number listed in the NPPES registry for Mark Sehl is (212) 228-3467.
- Is Mark Sehl's NPI active?
- Yes — Mark Sehl's NPI (1063702462) is active in the NPPES registry as of the last update on 2011-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.