Doctor profile · Federal record

Dr. Heather Merrill, M.D.

Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Phoenix, AZ

  • NPI 1528370863
  • MIPS 76.7 / 100 · 2023
  • 16 yrs on file
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4212 N 16Th St
Phoenix, AZ 850165319
(602) 263-1200

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
October 3, 2019
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
South Dakota #9601 · Arizona #49721 · Michigan #4301097120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528370863. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
542
Distinct HCPCS
4
Medicare allowed
$61,006
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 275 264 $167
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 179 171 $8
99284 Emergency department visit with moderate level of medical decision making 50 49 $116
99291 Critical care, first 30-74 minutes 38 38 $205

In context: peer comparison

Among 114 peers in Phoenix Emergency Medicine Physician, average services per provider: 105. This provider delivers 5.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Merrill's medical specialty?
Dr. Heather Merrill practices Emergency Medicine Physician in Phoenix, AZ.
Where does Dr. Heather Merrill practice?
Dr. Heather Merrill practices at 4212 N 16Th St, Phoenix, AZ 850165319. Office phone: 6022631200.
What is Dr. Heather Merrill's NPI?
Dr. Heather Merrill's National Provider Identifier (NPI) is 1528370863, issued by NPPES.
What procedures does Dr. Heather Merrill 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.