JOHN A SCHIRGER MD
NPI 1174597876
Internal Medicine - Cardiovascular Disease in Scottsdale, AZ
About John A Schirger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN A SCHIRGER MD (NPI 1174597876) is an individual cardiovascular disease provider in Scottsdale, Arizona, licensed in Arizona (53499) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Winona Health Services, and maintains a secondary practice location in La Crosse.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
John A Schirger 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 Reassignment
Medicare enrollment records show John Schirger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 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 13
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winona Health Services
Acute Care Hospitals · Winona, MNMayo Clinic Health System-Franciscan Medical Center Inc
Acute Care Hospitals · La Crosse, WIMayo Clinic Hlth Systm Franciscan Hlthcare Sparta
Critical Access Hospitals · Sparta, WITomah Memorial Hospital
Critical Access Hospitals · Tomah, WIMayo Clinic Health System-Red Cedar Inc
Critical Access Hospitals · Menomonie, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85259 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.
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
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 John Schirger's NPI number?
The NPI number for John Schirger is 1174597876. It was assigned to this individual provider in the NPPES registry on February 17, 2006.
Where is John Schirger located?
John Schirger practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.
What is John Schirger's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is John Schirger enrolled in Medicare?
Yes. John Schirger 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 organization bills Medicare for John Schirger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Schirger reassigns Medicare benefits to Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI). The 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 John Schirger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Schirger affiliated with any hospitals?
According to CMS data, John Schirger is affiliated with Winona Health Services, Mayo Clinic Health System-Franciscan Medical Center Inc, Mayo Clinic Hlth Systm Franciscan Hlthcare Sparta, Tomah Memorial Hospital and Mayo Clinic Health System-Red Cedar Inc.
When was this NPI record last updated?
The NPPES record for John Schirger was last updated on October 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.
# John A Schirger, MD · NPI 1174597876
Cardiovascular Disease physician in Scottsdale, Arizona. Individual provider, active in the CMS NPPES registry since February 17, 2006.
## Identity
- **NPI:** 1174597876 (Entity type: Individual)
- **Enumerated:** February 17, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 53499 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 13400 E SHEA BLVD, Scottsdale, AZ 85259-5404
- **Phone:** (480) 301-8000
## 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:** Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** October 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174597876) · Data from the CMS NPPES public registry.