Doctor profile · Federal record

Dr. Mark Peterson, D.O.

Emergency Medicine Physician · Flagstaff, AZ

  • NPI 1295881274
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 N Beaver St
Flagstaff, AZ 860013118
(928) 380-0476
fax (928) 214-3882
Mailing address
1050 N San Francisco St Ste D
Flagstaff, AZ 860013259

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Arizona #3006

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295881274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
284
Distinct HCPCS
6
Medicare allowed
$33,643
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 132 132 $171
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 62 57 $8
99284 Emergency department visit with moderate level of medical decision making 35 35 $117
99213 Established patient office or other outpatient visit, 20-29 minutes 26 26 $88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $168
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 12 12 $115

In context: peer comparison

Among 12 peers in Flagstaff Emergency Medicine Physician, average services per provider: 74. This provider delivers 3.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Peterson's medical specialty?
Dr. Mark Peterson practices Emergency Medicine Physician in Flagstaff, AZ.
Where does Dr. Mark Peterson practice?
Dr. Mark Peterson practices at 1200 N Beaver St, Flagstaff, AZ 860013118. Office phone: 9283800476.
What is Dr. Mark Peterson's NPI?
Dr. Mark Peterson's National Provider Identifier (NPI) is 1295881274, issued by NPPES.
What procedures does Dr. Mark Peterson commonly perform?
Top Medicare-reported procedures in 2023: 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); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.