IndividualActive
Sarah Masson, LMSW
NPI 1578383444 · Clinical Social Worker · Saint Louis, MO
Sarah Masson, LMSW is a Clinical Social Worker provider in Saint Louis, MO (NPI 1578383444).
Provider details
- NPI number
- 1578383444
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 2024039838 (MO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
5501 Delmar Blvd Ste B300
Saint Louis, MO 63112-3078
Phone: (314) 469-4908
Street-level locationGet directions
Mailing address
5628 Willard Ave
Affton, MO 63123-3666
Registry dates
- Enumerated
- 2024-10-15
- Last updated
- 2024-10-15
- Certified
- 2024-10-15
Frequently asked questions
- What is Sarah Masson's NPI number?
- Sarah Masson's National Provider Identifier (NPI) is 1578383444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Masson's specialty?
- Sarah Masson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sarah Masson located?
- Sarah Masson's practice location on file with NPPES is 5501 Delmar Blvd Ste B300, Saint Louis, MO 63112-3078.
- What is Sarah Masson's phone number?
- The practice phone number listed in the NPPES registry for Sarah Masson is (314) 469-4908.
- Is Sarah Masson's NPI active?
- Yes — Sarah Masson's NPI (1578383444) is active in the NPPES registry as of the last update on 2024-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.