DR. DEBRA L WALSHAW M.D.
NPI 1821100694
Internal Medicine in Tucson, AZ
About Dr. Debra L Walshaw M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEBRA L WALSHAW M.D. (NPI 1821100694) is an individual internal medicine provider in Tucson, Arizona, licensed in Arizona (28605) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Debra L Walshaw M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Debra Walshaw reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 66 clinicians in this Medicare group
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 302 clinicians in this Medicare group
Albuquerque, NM 87111
- Reassigned Medicare billing, Arizona enrollment
- 64 clinicians in this Medicare group
Sunnyvale, CA 94087
- Reassigned Medicare billing, Arizona enrollment
- 56 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85712 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.
Reported Quality Measures
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 85712
TUCSON, AZ 85712
TUCSON, AZ 85712
TUCSON, AZ 85712
TUCSON, AZ 85712
TUCSON, AZ 85712
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 Debra Walshaw's NPI number?
The NPI number for Debra Walshaw is 1821100694. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Debra Walshaw located?
Debra Walshaw practices at 3945 E Paradise Falls Drive Ste. 201, Tucson, AZ 85712. The listed phone number is (520) 615-6200.
What is Debra Walshaw's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Debra Walshaw enrolled in Medicare?
Yes. Debra Walshaw is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Debra Walshaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Debra Walshaw reassigns Medicare benefits to 4 organizations: Arizona Post-Acute Medical Services 1 PC (Phoenix, AZ), Arizona Acute Medical Services 1 PC (Phoenix, AZ), Nm Pacs 2 LLC (Albuquerque, NM) and Cs Pacs 3 West LLC (Sunnyvale, CA). 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 Debra Walshaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Debra Walshaw accept?
Health plans from Blue Cross Blue Shield of Arizona list Debra Walshaw 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 Debra Walshaw was last updated on October 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Debra L Walshaw, M.D. · NPI 1821100694
Internal Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1821100694 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 28605 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 3945 E PARADISE FALLS DRIVE, STE. 201, Tucson, AZ 85712-6687
- **Phone:** (520) 615-6200 · **Fax:** (520) 615-6255
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Arizona Post-Acute Medical Services 1 PC (NPI 1093254419, Phoenix, AZ); Arizona Acute Medical Services 1 PC (NPI 1154860674, Phoenix, AZ); Nm Pacs 2 LLC (NPI 1366928749, Albuquerque, NM); Cs Pacs 3 West LLC (NPI 1073378238, Sunnyvale, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 14, 2015
- **Other identifiers:** Medicare UPIN Z66322 (AZ); Medicare UPIN H42308 (AZ); Medicaid 597809 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1821100694) · Data from the CMS NPPES public registry.