CHARLES MICHAEL ZILLWEGER DPM
NPI 1881278265
Podiatrist - Foot & Ankle Surgery in Tucson, AZ
About Charles Michael Zillweger Dpm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES MICHAEL ZILLWEGER DPM (NPI 1881278265) is an individual foot & ankle surgery provider in Tucson, Arizona, licensed in Arizona (POD-001116) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
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
Charles Michael Zillweger Dpm 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 Charles Zillweger reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Casa Grande, AZ 85122
- Reassigned Medicare billing, Arizona enrollment
- 81 clinicians in this Medicare group
Mesa, AZ 85204
- Reassigned Medicare billing, Arizona enrollment
- 78 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 78 clinicians in this Medicare group
Scottsdale, AZ 85254
- Reassigned Medicare billing, Arizona enrollment
- 21 clinicians in this Medicare group
Phoenix, AZ 85037
- Reassigned Medicare billing, Arizona enrollment
- 87 clinicians in this Medicare group
Surprise, AZ 85379
- Reassigned Medicare billing, Arizona enrollment
- 6 clinicians in this Medicare group
Sun City West, AZ 85375
- Reassigned Medicare billing, Arizona enrollment
- 72 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.
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.
TUCSON, AZ 85723
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 Charles Zillweger's NPI number?
The NPI number for Charles Zillweger is 1881278265. It was assigned to this individual provider in the NPPES registry on May 11, 2021.
Where is Charles Zillweger located?
Charles Zillweger practices at 3601 S 6th Ave, Tucson, AZ 85723. The listed phone number is (520) 792-1450.
What is Charles Zillweger's specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.
Is Charles Zillweger enrolled in Medicare?
Yes. Charles Zillweger 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 Charles Zillweger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Zillweger reassigns Medicare benefits to 7 organizations: Progressive Pain Management Inc (Casa Grande, AZ), Hope Diabetes Center, LLC (Mesa, AZ), Advanced Minimally Invasive Surgical (Phoenix, AZ), Onesource Senior Healthcare PLLC (Scottsdale, AZ), Maria Gonzalez Berlari, MD LLC (Phoenix, AZ) 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 Charles Zillweger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Zillweger accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Blue Cross Blue Shield of Arizona list Charles Zillweger 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 Charles Zillweger was last updated on July 5, 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.
# Charles Michael Zillweger, DPM · NPI 1881278265
Foot & Ankle Surgery provider in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since May 11, 2021.
## Identity
- **NPI:** 1881278265 (Entity type: Individual)
- **Enumerated:** May 11, 2021
- **Primary specialty:** Podiatrist - Foot & Ankle Surgery · taxonomy 213ES0103X
- **State license:** POD-001116 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 S 6TH AVE, Tucson, AZ 85723-0001
- **Phone:** (520) 792-1450
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Progressive Pain Management Inc (NPI 1881866754, Casa Grande, AZ); Hope Diabetes Center, LLC (NPI 1104865757, Mesa, AZ); Advanced Minimally Invasive Surgical (NPI 1295056919, Phoenix, AZ); Onesource Senior Healthcare PLLC (NPI 1508272188, Scottsdale, AZ); Maria Gonzalez Berlari, MD LLC (NPI 1699025981, Phoenix, AZ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1881278265) · Data from the CMS NPPES public registry.