Doctor profile · Federal record

Dr. Daniel Merrill, MD

Neurology Physician (CMS: Psychiatry) · Gilbert, AZ

  • NPI 1609895671
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3555 S Val Vista Dr
Gilbert, AZ 852977323
(623) 308-2472
Mailing address
2036 N Gilbert RD # 2-134
Mesa, AZ 852032139

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 10, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Arizona #32558

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609895671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
91
Distinct HCPCS
3
Medicare allowed
$13,067
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 22 $115
90792 Psychiatric diagnostic evaluation with medical services 29 29 $168
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $168

In context: peer comparison

Among 6 peers in this city , average services per provider: 1,175. This provider delivers 0.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Merrill's medical specialty?
Dr. Daniel Merrill practices Neurology Physician in Gilbert, AZ.
Where does Dr. Daniel Merrill practice?
Dr. Daniel Merrill practices at 3555 S Val Vista Dr, Gilbert, AZ 852977323. Office phone: 6233082472.
What is Dr. Daniel Merrill's NPI?
Dr. Daniel Merrill's National Provider Identifier (NPI) is 1609895671, issued by NPPES.
Does Dr. Daniel Merrill accept Medicare assignment?
Yes. Dr. Daniel Merrill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Merrill commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.