DR. STEPHEN K SPONAGLE MD
NPI 1255382925
Psychiatry & Neurology - Psychiatry in Milwaukee, WI
About Dr. Stephen K Sponagle Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN K SPONAGLE MD (NPI 1255382925) is an individual psychiatry provider in Milwaukee, Wisconsin, licensed in Wisconsin (47580) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
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 K Sponagle Md 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 Sponagle reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53208
- Reassigned Medicare billing, Wisconsin enrollment
- 4 clinicians in this Medicare group
Milwaukee, WI 53204
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: 16th Street Community Health Center Inc.
- 147 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Sponagle's NPI number?
The NPI number for Stephen Sponagle is 1255382925. It was assigned to this individual provider in the NPPES registry on May 15, 2006.
Where is Stephen Sponagle located?
Stephen Sponagle practices at 1155 North Mayfair Road Behavioral Health Clinic @ Tosa, Milwaukee, WI 53226. The listed phone number is (414) 805-3666.
What is Stephen Sponagle's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Stephen Sponagle enrolled in Medicare?
Yes. Stephen Sponagle 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 Sponagle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Sponagle reassigns Medicare benefits to 2 organizations: Wisconsin Community Services Inc. (Milwaukee, WI) and Sixteenth Street Community Health Centers, Inc. (Milwaukee, WI). 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 Sponagle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Sponagle accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Anthem Blue Cross and Blue Shield and 3 other insurers list Stephen Sponagle 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.
When was this NPI record last updated?
The NPPES record for Stephen Sponagle was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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 K Sponagle, MD · NPI 1255382925
Psychiatry physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 15, 2006.
## Identity
- **NPI:** 1255382925 (Entity type: Individual)
- **Enumerated:** May 15, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 47580 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1155 NORTH MAYFAIR ROAD, BEHAVIORAL HEALTH CLINIC @ TOSA, Milwaukee, WI 53226
- **Phone:** (414) 805-3666
## 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): Wisconsin Community Services Inc. (NPI 1417108747, Milwaukee, WI); Sixteenth Street Community Health Centers, Inc. (NPI 1316587439, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Florida College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 34601100 (WI); Medicare UPIN I23625
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Source: [NPI Profile](https://npiprofile.com/npi/1255382925) · Data from the CMS NPPES public registry.