DR. RYAN H HOLZHAUER M.D.
NPI 1508272139
Emergency Medicine in Janesville, WI
About Dr. Ryan H Holzhauer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN H HOLZHAUER M.D. (NPI 1508272139) is an individual emergency medicine provider in Janesville, Wisconsin, licensed in Wisconsin (65434-20) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Valley Baptist Medical Center- Brownsville, and is a graduate of New York Medical College (2013).
NPPES Registry Identity
Specialties & Licenses 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. Ryan H Holzhauer 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
13Medicare enrollment records show Ryan Holzhauer reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Beaver Dam Community Hospitals Inc.
- 1,447 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Viroqua, WI 54665
- Reassigned Medicare billing, Wisconsin enrollment
- 127 clinicians in this Medicare group
Manitowoc, WI 54220
- Reassigned Medicare billing, Wisconsin enrollment
- 350 clinicians in this Medicare group
Wisconsin Rapids, WI 54494
- 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)
- 1,440 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.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Baptist Medical Center- Brownsville
Acute Care Hospitals · Brownsville, TXVhs Harlingen Hospital Company LLC
Acute Care Hospitals · Harlingen, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53548 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.
JANESVILLE, WI 53548
JANESVILLE, WI 53548
JANESVILLE, WI 53548
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 Ryan Holzhauer's NPI number?
The NPI number for Ryan Holzhauer is 1508272139. It was assigned to this individual provider in the NPPES registry on July 3, 2014.
Where is Ryan Holzhauer located?
Ryan Holzhauer practices at 1000 Mineral Point Ave, Janesville, WI 53548. The listed phone number is (414) 303-5678.
What is Ryan Holzhauer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ryan Holzhauer enrolled in Medicare?
Yes. Ryan Holzhauer 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 Ryan Holzhauer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Holzhauer reassigns Medicare benefits to 13 organizations: Mercy Health System Corporation (Janesville, WI), Beaver Dam Community Hosptials Inc (Columbus, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Vernon Memorial Healthcare, Inc. (Viroqua, WI) and 8 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 Ryan Holzhauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Holzhauer accept?
Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company, Sanford Health Plan and Sendero Health Plans, Local Nonprofit list Ryan Holzhauer 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 Ryan Holzhauer affiliated with any hospitals?
According to CMS data, Ryan Holzhauer is affiliated with Valley Baptist Medical Center- Brownsville and Vhs Harlingen Hospital Company LLC.
When was this NPI record last updated?
The NPPES record for Ryan Holzhauer was last updated on June 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Ryan H Holzhauer, M.D. · NPI 1508272139
Emergency Medicine physician in Janesville, Wisconsin. Individual provider, active in the CMS NPPES registry since July 3, 2014.
## Identity
- **NPI:** 1508272139 (Entity type: Individual)
- **Enumerated:** July 3, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 65434-20 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 MINERAL POINT AVE, Janesville, WI 53548
- **Phone:** (414) 303-5678
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Mercy Health System Corporation (NPI 1093768962, Janesville, WI); Beaver Dam Community Hosptials Inc (NPI 1275833659, Columbus, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Vernon Memorial Healthcare, Inc. (NPI 1497750921, Viroqua, WI); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2013
## Record status
- **NPPES last updated:** June 21, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1508272139) · Data from the CMS NPPES public registry.