Miriam Biddelman-Massin, LCSW
NPI 1124251210 · Clinical Social Worker · New York, NY
Miriam Biddelman-Massin, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1124251210).
Provider details
- NPI number
- 1124251210
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- RO13224 (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
16 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
- 2009-08-24
- Last updated
- 2009-08-24
Frequently asked questions
- What is Miriam Biddelman-Massin's NPI number?
- Miriam Biddelman-Massin's National Provider Identifier (NPI) is 1124251210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Biddelman-Massin's specialty?
- Miriam Biddelman-Massin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Miriam Biddelman-Massin located?
- Miriam Biddelman-Massin's practice location on file with NPPES is 327 Central Park W, New York, NY 10025-7631.
- What is Miriam Biddelman-Massin's phone number?
- The practice phone number listed in the NPPES registry for Miriam Biddelman-Massin is (212) 666-7803.
- Is Miriam Biddelman-Massin's NPI active?
- Yes — Miriam Biddelman-Massin's NPI (1124251210) is active in the NPPES registry as of the last update on 2009-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.