Mark Schillinger, L.C.S.W.
NPI 1447634746 · Clinical Social Worker · Clayton, MO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Schillinger, L.C.S.W. is a Clinical Social Worker provider in Clayton, MO (NPI 1447634746).
Provider details
- NPI number
- 1447634746
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Male
- Sole proprietor
- No
- License
- 2016016564 (MO)
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1034 S Brentwood Blvd Ste 555Richmond Heights, MO 63117-1265Phone: (314) 648-8189Fax: (314) 673-1189
Registry dates
- Enumerated
- 2015-07-16
- Last updated
- 2025-06-11
- Certified
- 2025-06-11
Frequently asked questions
- What is Mark Schillinger's NPI number?
- Mark Schillinger's National Provider Identifier (NPI) is 1447634746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Schillinger's specialty?
- Mark Schillinger is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Schillinger located?
- Mark Schillinger's practice location on file with NPPES is 230 S Bemiston Ave Ste 1006, Clayton, MO 63105-1907.
- What is Mark Schillinger's phone number?
- The practice phone number listed in the NPPES registry for Mark Schillinger is (314) 925-2634.
- Does Mark Schillinger accept Medicare?
- Mark Schillinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Schillinger's NPI active?
- Yes — Mark Schillinger's NPI (1447634746) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.