DR. STEPHEN F. GLADDIN M.D.
NPI 1386692671
Obstetrics & Gynecology in Rockford, IL
About Dr. Stephen F. Gladdin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN F. GLADDIN M.D. (NPI 1386692671) is an individual obstetrics & gynecology provider in Rockford, Illinois, licensed in Illinois (036-089120) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and maintains a secondary practice location in Elgin.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen F. Gladdin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Stephen Gladdin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61104
- Reassigned Medicare billing, Illinois enrollment
- 474 clinicians in this Medicare group
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Sherman Hospital
Acute Care Hospitals · Elgin, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ROCKFORD, IL 61104
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 Gladdin's NPI number?
The NPI number for Stephen Gladdin is 1386692671. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Stephen Gladdin located?
Stephen Gladdin practices at 1401 E State St, Rockford, IL 61104. The listed phone number is (779) 696-4400.
What is Stephen Gladdin's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Stephen Gladdin enrolled in Medicare?
Yes. Stephen Gladdin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephen Gladdin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Gladdin reassigns Medicare benefits to 2 organizations: Swedishamerican Hospital (Rockford, IL) and Complete Healthcare For Women, S.C. (Elgin, IL). Each 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 Gladdin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Gladdin accept?
Health plans from Aspirus Health Plan list Stephen Gladdin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Stephen Gladdin affiliated with any hospitals?
According to CMS data, Stephen Gladdin is affiliated with Advocate Sherman Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Gladdin was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Stephen F. Gladdin, M.D. · NPI 1386692671
Obstetrics & Gynecology physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since May 5, 2006.
## Identity
- **NPI:** 1386692671 (Entity type: Individual)
- **Enumerated:** May 5, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 036-089120 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1401 E STATE ST, Rockford, IL 61104-2315
- **Phone:** (779) 696-4400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Swedishamerican Hospital (NPI 1245385954, Rockford, IL); Complete Healthcare For Women, S.C. (NPI 1639401136, Elgin, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1992
## Record status
- **NPPES last updated:** February 20, 2026
- **Other identifiers:** Medicaid 036089120 (IL); Other 06123693
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Source: [NPI Profile](https://npiprofile.com/npi/1386692671) · Data from the CMS NPPES public registry.