James Mayer, LCSW-R
NPI 1003118027 · Social Worker · Glen Head, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mayer, LCSW-R is a Social Worker provider in Glen Head, NY (NPI 1003118027).
Provider details
- NPI number
- 1003118027
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-R
- Sex
- Male
- Sole proprietor
- Yes
- License
- 073722-1 (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
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
- 2010-11-23
- Last updated
- 2016-05-09
Frequently asked questions
- What is James Mayer's NPI number?
- James Mayer's National Provider Identifier (NPI) is 1003118027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mayer's specialty?
- James Mayer is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is James Mayer located?
- James Mayer's practice location on file with NPPES is 333 Glen Head Rd, Glen Head, NY 11545-1947.
- What is James Mayer's phone number?
- The practice phone number listed in the NPPES registry for James Mayer is (516) 521-1254.
- Does James Mayer accept Medicare?
- James Mayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mayer's NPI active?
- Yes — James Mayer's NPI (1003118027) is active in the NPPES registry as of the last update on 2016-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.