SPENCER W FAST MD
NPI 1306990429
Family Medicine in Schofield, WI
About Spencer W Fast Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SPENCER W FAST MD (NPI 1306990429) is an individual family medicine provider in Schofield, Wisconsin, licensed in Wisconsin (49906) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and maintains a secondary practice location in Reedsburg.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Spencer W Fast 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 Spencer Fast reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weston, WI 54476
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Reedsburg, WI 53959
- Reassigned Medicare billing, Wisconsin enrollment
- 96 clinicians in this Medicare group
Waupun, WI 53963
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIMarshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIReedsburg Area Medical Center
Critical Access Hospitals · Reedsburg, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54476 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 27
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.
WESTON, WI 54476
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 Spencer Fast's NPI number?
The NPI number for Spencer Fast is 1306990429. It was assigned to this individual provider in the NPPES registry on January 23, 2007.
Where is Spencer Fast located?
Spencer Fast practices at 3400 Ministry Pkwy, Schofield, WI 54476. The listed phone number is (715) 393-1000.
What is Spencer Fast's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Spencer Fast enrolled in Medicare?
Yes. Spencer Fast 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 Spencer Fast's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Fast reassigns Medicare benefits to 7 organizations: Mchs Hospitals Inc (Weston, WI), Marshfield Clinic Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI), Flambeau Hospital Inc (Park Falls, WI), Reedsburg Area Medical Center, Inc. (Reedsburg, 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 Spencer Fast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Spencer Fast accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan, Group Health Cooperative-SCW and HealthPartners and 3 other insurers list Spencer Fast 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 Spencer Fast affiliated with any hospitals?
According to CMS data, Spencer Fast is affiliated with University Of Wi Hospitals & Clinics Authority, Marshfield Medical Center - Weston and Reedsburg Area Medical Center.
When was this NPI record last updated?
The NPPES record for Spencer Fast was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Spencer W Fast, MD · NPI 1306990429
Family Medicine physician in Schofield, Wisconsin. Individual provider, active in the CMS NPPES registry since January 23, 2007.
## Identity
- **NPI:** 1306990429 (Entity type: Individual)
- **Enumerated:** January 23, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 49906 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 MINISTRY PKWY, Schofield, WI 54476-5220
- **Phone:** (715) 393-1000
## 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): Mchs Hospitals Inc (NPI 1992336655, Weston, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Memorial Hospital, Inc (NPI 1679746747, Neillsville, WI); Flambeau Hospital Inc (NPI 1194317966, Park Falls, WI); Reedsburg Area Medical Center, Inc. (NPI 1891796710, Reedsburg, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2005
## Record status
- **NPPES last updated:** August 24, 2026
- **Other identifiers:** Medicaid 34752300 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1306990429) · Data from the CMS NPPES public registry.