IndividualActive
Alexa Marks
NPI 1851067433 · Clinical Social Worker · New York, NY
Alexa Marks is a Clinical Social Worker provider in New York, NY (NPI 1851067433).
Provider details
- NPI number
- 1851067433
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 107144 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
156 5th Ave Ste 1118
New York, NY 10010-7744
Phone: (917) 510-4317
Street-level locationGet directions
Mailing address
424 Hudson St Apt 2a
New York, NY 10014-3970
Registry dates
- Enumerated
- 2021-08-23
- Last updated
- 2021-08-23
- Certified
- 2021-08-18
Frequently asked questions
- What is Alexa Marks's NPI number?
- Alexa Marks's National Provider Identifier (NPI) is 1851067433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexa Marks's specialty?
- Alexa Marks is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Alexa Marks located?
- Alexa Marks's practice location on file with NPPES is 156 5th Ave Ste 1118, New York, NY 10010-7744.
- What is Alexa Marks's phone number?
- The practice phone number listed in the NPPES registry for Alexa Marks is (917) 510-4317.
- Is Alexa Marks's NPI active?
- Yes — Alexa Marks's NPI (1851067433) is active in the NPPES registry as of the last update on 2021-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.