DR. ZACHARY KILLEEN MD
NPI 1205323342
Emergency Medicine in Phoenix, AZ
About Dr. Zachary Killeen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZACHARY KILLEEN MD (NPI 1205323342) is an individual emergency medicine provider in Phoenix, Arizona, licensed in New Mexico (61828) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine - Phoenix (2018).
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. Zachary Killeen 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 Zachary Killeen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gilbert, AZ 85296
- Reassigned Medicare billing, Arizona enrollment
- 263 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 85008 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.
PHOENIX, AZ 85008
PHOENIX, AZ 85008
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 Zachary Killeen's NPI number?
The NPI number for Zachary Killeen is 1205323342. It was assigned to this individual provider in the NPPES registry on April 14, 2018.
Where is Zachary Killeen located?
Zachary Killeen practices at 2601 E Roosevelt St, Phoenix, AZ 85008. The listed phone number is (602) 344-5011.
What is Zachary Killeen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Zachary Killeen enrolled in Medicare?
Yes. Zachary Killeen 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 Zachary Killeen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Killeen reassigns Medicare benefits to Tec Emergency Physicians Of Arizona, LLC (Gilbert, AZ). 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 Zachary Killeen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Killeen accept?
Health plans from Blue Cross Blue Shield of Arizona list Zachary Killeen 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 Zachary Killeen was last updated on July 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Zachary Killeen, MD · NPI 1205323342
Emergency Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since April 14, 2018.
## Identity
- **NPI:** 1205323342 (Entity type: Individual)
- **Enumerated:** April 14, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 61828 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 2601 E ROOSEVELT ST, Phoenix, AZ 85008-4973
- **Phone:** (602) 344-5011
## 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:** Tec Emergency Physicians Of Arizona, LLC (NPI 1245772870, Gilbert, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine - Phoenix, class of 2018
## Record status
- **NPPES last updated:** July 7, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1205323342) · Data from the CMS NPPES public registry.