STEPHEN HUBBARD MD
NPI 1366434961
Emergency Medicine in Antigo, WI
About Stephen Hubbard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN HUBBARD MD (NPI 1366434961) is an individual emergency medicine provider in Antigo, Wisconsin, licensed in Wisconsin (40458-20) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Howard Young Medical Center, and is a graduate of Illinois Medical College (1996).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
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
Stephen Hubbard 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
7Medicare enrollment records show Stephen Hubbard reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Antigo, WI 54409
- Reassigned Medicare billing, Wisconsin enrollment
- 321 clinicians in this Medicare group
Wittenberg, WI 54499
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Athens, WI 54411
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Eagle River, WI 54521
- Reassigned Medicare billing, Wisconsin enrollment
- 262 clinicians in this Medicare group
Woodruff, WI 54568
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Howard Young Medical Center Inc Of Woodruff Wisconsin
- 358 clinicians in this Medicare group
Iron River, MI 49935
- Reassigned Medicare billing, Michigan enrollment
- 264 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Howard Young Medical Center
Acute Care Hospitals · Woodruff, WIAspirus Eagle River Hospital
Critical Access Hospitals · Eagle River, WIAspirus Merrill Hospital
Critical Access Hospitals · Merrill, WILanglade Hospital
Critical Access Hospitals · Antigo, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54409 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.
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.
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 Hubbard's NPI number?
The NPI number for Stephen Hubbard is 1366434961. It was assigned to this individual provider in the NPPES registry on August 19, 2005.
Where is Stephen Hubbard located?
Stephen Hubbard practices at 112 E 5th Ave, Antigo, WI 54409. The listed phone number is (715) 623-2351.
What is Stephen Hubbard's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Hubbard enrolled in Medicare?
Yes. Stephen Hubbard 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 Hubbard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Hubbard reassigns Medicare benefits to 7 organizations: Langlade Hospital - Hotel Dieu Of St Joseph Of Antigo Wisconsin (Antigo, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Wittenberg, WI), Aspirus Merrill Hospital & Clinics, Inc. (Merrill, WI), Aspirus Medford Hospital & Clinics, Inc. (Athens, WI), Aspirus Eagle River Hospital & Clinics, Inc. (Eagle River, WI) and 2 more organizations, listed in the Medicare section above. 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 Hubbard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Hubbard accept?
Health plans from Anthem Blue Cross and Blue Shield list Stephen Hubbard 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 Hubbard affiliated with any hospitals?
According to CMS data, Stephen Hubbard is affiliated with Howard Young Medical Center, Aspirus Eagle River Hospital, Aspirus Merrill Hospital and Langlade Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Hubbard was last updated on April 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Stephen Hubbard, MD · NPI 1366434961
Emergency Medicine physician in Antigo, Wisconsin. Individual provider, active in the CMS NPPES registry since August 19, 2005.
## Identity
- **NPI:** 1366434961 (Entity type: Individual)
- **Enumerated:** August 19, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 40458-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 112 E 5TH AVE, Antigo, WI 54409-2710
- **Phone:** (715) 623-2351
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Langlade Hospital - Hotel Dieu Of St Joseph Of Antigo Wisconsin (NPI 1821151366, Antigo, WI); Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (NPI 1114696507, Wittenberg, WI); Aspirus Merrill Hospital & Clinics, Inc. (NPI 1124084678, Merrill, WI); Aspirus Medford Hospital & Clinics, Inc. (NPI 1760912919, Athens, WI); Aspirus Eagle River Hospital & Clinics, Inc. (NPI 1346204385, Eagle River, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Illinois Medical College, class of 1996
## Record status
- **NPPES last updated:** April 18, 2024
- **Other identifiers:** Medicaid 32482900 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1366434961) · Data from the CMS NPPES public registry.