Doctor profile · Federal record

Dr. Zachary Killeen, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Phoenix, AZ

  • NPI 1205323342
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2601 E Roosevelt St
Phoenix, AZ 850084973
(602) 344-5011

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
July 7, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
New Mexico #61828

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205323342. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
224
Distinct HCPCS
3
Medicare allowed
$26,788
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 103 101 $118
99285 Emergency department visit with high level of medical decision making 84 81 $171
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 37 35 $8

In context: peer comparison

Among 114 peers in this city , average services per provider: 105. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
106
Total drug cost
$708
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 27 26 $128
Cephalexin Generic 25 25 $148
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $142
Azithromycin Generic 15 15 $72
Prednisone Generic 13 13 $16
Cefdinir Generic 11 11 $202

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Killeen's medical specialty?
Dr. Zachary Killeen practices Emergency Medicine Physician in Phoenix, AZ.
Where does Dr. Zachary Killeen practice?
Dr. Zachary Killeen practices at 2601 E Roosevelt St, Phoenix, AZ 850084973. Office phone: 6023445011.
What is Dr. Zachary Killeen's NPI?
Dr. Zachary Killeen's National Provider Identifier (NPI) is 1205323342, issued by NPPES.
Does Dr. Zachary Killeen accept Medicare assignment?
Yes. Dr. Zachary Killeen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Killeen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.