STEPHEN M PLATT M.D.
NPI 1720053077
Family Medicine in Chester, IL
About Stephen M Platt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN M PLATT M.D. (NPI 1720053077) is an individual family medicine provider in Chester, Illinois, licensed in Illinois (036.051292) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen M Platt M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Platt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chester, IL 62233
- Reassigned Medicare billing, Illinois enrollment
- 62 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62233 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 16
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTER, IL 62233
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Platt's NPI number?
The NPI number for Stephen Platt is 1720053077. It was assigned to this individual provider in the NPPES registry on February 21, 2006.
Where is Stephen Platt located?
Stephen Platt practices at 1900 State St, Chester, IL 62233. The listed phone number is (618) 826-4581.
What is Stephen Platt's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Stephen Platt enrolled in Medicare?
Yes. Stephen Platt is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Platt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Platt reassigns Medicare benefits to Memorial Hospital (Chester, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Platt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephen Platt was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Stephen M Platt, M.D. · NPI 1720053077
Family Medicine physician in Chester, Illinois. Individual provider, active in the CMS NPPES registry since February 21, 2006.
## Identity
- **NPI:** 1720053077 (Entity type: Individual)
- **Enumerated:** February 21, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.051292 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1900 STATE ST, Chester, IL 62233-1116
- **Phone:** (618) 826-4581
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Memorial Hospital (NPI 1851390132, Chester, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720053077) · Data from the CMS NPPES public registry.