FREDERICK T WARNER MD
NPI 1164462420
Emergency Medicine in Goodyear, AZ
About Frederick T Warner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FREDERICK T WARNER MD (NPI 1164462420) is an individual emergency medicine provider in Goodyear, Arizona, licensed in Arizona (31153) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Charleston, and is a graduate of Drexel University College Of Medicine (2000).
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
Frederick T Warner 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
27Medicare enrollment records show Frederick Warner reassigns Medicare billing to 27 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85037
- Reassigned Medicare billing, Arizona enrollment
- 199 clinicians in this Medicare group
Phoenix, AZ 85015
- Reassigned Medicare billing, Arizona enrollment
- 260 clinicians in this Medicare group
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 289 clinicians in this Medicare group
Lake Havasu City, AZ 86403
- Reassigned Medicare billing, Arizona enrollment
- 58 clinicians in this Medicare group
Yuma, AZ 85364
- Reassigned Medicare billing, Arizona enrollment
- 79 clinicians in this Medicare group
Bullhead City, AZ 86442
- Reassigned Medicare billing, Arizona enrollment
- 55 clinicians in this Medicare group
Sierra Vista, AZ 85635
- Reassigned Medicare billing, Arizona enrollment
- 239 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 62 clinicians in this Medicare group
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
- 112 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 3
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 85395 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.
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
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 Frederick Warner's NPI number?
The NPI number for Frederick Warner is 1164462420. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Frederick Warner located?
Frederick Warner practices at 13677 W Mcdowell Rd, Goodyear, AZ 85395. The listed phone number is (623) 882-1500.
What is Frederick Warner's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Frederick Warner enrolled in Medicare?
Yes. Frederick Warner 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 Frederick Warner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Warner reassigns Medicare benefits to 27 organizations: Emergency Professional Services PC (Phoenix, AZ), Emergency Group Of Arizona Professional Corporation (Phoenix, AZ), Emergency Physicians Southwest, PC (Mesa, AZ), Arizona Emergency Medicine Specialists PC (Lake Havasu City, AZ), Sierra Estrellas Emergency Physicians LLC (Yuma, AZ) and 22 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 Frederick Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frederick Warner accept?
Health plans from Antidote Health of TX, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Medica and 2 other insurers list Frederick Warner 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 Frederick Warner was last updated on May 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Frederick T Warner, MD · NPI 1164462420
Emergency Medicine physician in Goodyear, Arizona. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1164462420 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 31153 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 13677 W MCDOWELL RD, Goodyear, AZ 85395-2635
- **Phone:** (623) 882-1500
## 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:** 27 organizations under Medicare reassignment (form CMS-855R): Emergency Professional Services PC (NPI 1225055924, Phoenix, AZ); Emergency Group Of Arizona Professional Corporation (NPI 1215275433, Phoenix, AZ); Emergency Physicians Southwest, PC (NPI 1912053752, Mesa, AZ); Arizona Emergency Medicine Specialists PC (NPI 1134439706, Lake Havasu City, AZ); Sierra Estrellas Emergency Physicians LLC (NPI 1578001319, Yuma, AZ); and 22 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** May 24, 2023
- **Other identifiers:** Medicaid 236934 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1164462420) · Data from the CMS NPPES public registry.