IndividualActive
Claudia Mussen, LMSW
NPI 1326254368 · Social Worker · New York, NY
Claudia Mussen, LMSW is a Social Worker provider in New York, NY (NPI 1326254368).
Provider details
- NPI number
- 1326254368
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 068075-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
19 W 34th St
Penthouse
New York, NY 10001-3006
Phone: (212) 947-7111
Street-level locationGet directions
Mailing address
545 W 111th St Apt 5l
New York, NY 10025-1964
Registry dates
- Enumerated
- 2007-05-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Claudia Mussen's NPI number?
- Claudia Mussen's National Provider Identifier (NPI) is 1326254368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia Mussen's specialty?
- Claudia Mussen is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Claudia Mussen located?
- Claudia Mussen's practice location on file with NPPES is 19 W 34th St, New York, NY 10001-3006.
- What is Claudia Mussen's phone number?
- The practice phone number listed in the NPPES registry for Claudia Mussen is (212) 947-7111.
- Is Claudia Mussen's NPI active?
- Yes — Claudia Mussen's NPI (1326254368) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.