Mark Staff, LCSW
NPI 1225861941 · Clinical Social Worker · Springfield, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Staff, LCSW is a Clinical Social Worker provider in Springfield, IL (NPI 1225861941).
Provider details
- NPI number
- 1225861941
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149006306 (IL)
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
1 yr 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)
- 101 E Plummer BlvdChatham, IL 62629-8047Phone: (217) 483-3487Fax: (217) 483-8150
Registry dates
- Enumerated
- 2024-08-20
- Last updated
- 2025-09-30
- Certified
- 2025-09-30
Frequently asked questions
- What is Mark Staff's NPI number?
- Mark Staff's National Provider Identifier (NPI) is 1225861941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Staff's specialty?
- Mark Staff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Staff located?
- Mark Staff's practice location on file with NPPES is 3225 Hedley Rd, Springfield, IL 62711-6248.
- What is Mark Staff's phone number?
- The practice phone number listed in the NPPES registry for Mark Staff is (217) 726-7300.
- Does Mark Staff accept Medicare?
- Mark Staff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Staff's NPI active?
- Yes — Mark Staff's NPI (1225861941) is active in the NPPES registry as of the last update on 2025-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.