IndividualActive
Mike Massay
NPI 1770476046 · Clinical Social Worker · Florissant, MO
Mike Massay is a Clinical Social Worker provider in Florissant, MO (NPI 1770476046).
Provider details
- NPI number
- 1770476046
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 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
83% 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
1150 Graham Rd Ste 102
Florissant, MO 63031-8077
Phone: (314) 206-3400
Street-level locationGet directions
Mailing address
3309 S Kingshighway Blvd
Saint Louis, MO 63139-1101
Registry dates
- Enumerated
- 2025-06-03
- Last updated
- 2025-06-03
- Certified
- 2025-06-03
Frequently asked questions
- What is Mike Massay's NPI number?
- Mike Massay's National Provider Identifier (NPI) is 1770476046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mike Massay's specialty?
- Mike Massay is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mike Massay located?
- Mike Massay's practice location on file with NPPES is 1150 Graham Rd Ste 102, Florissant, MO 63031-8077.
- What is Mike Massay's phone number?
- The practice phone number listed in the NPPES registry for Mike Massay is (314) 206-3400.
- Is Mike Massay's NPI active?
- Yes — Mike Massay's NPI (1770476046) is active in the NPPES registry as of the last update on 2025-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.