Doctor profile · Federal record

Dr. GARY UNDERHILL, MD

Family Medicine Physician (CMS: EMERGENCY MEDICINE) · Emergency Medicine Physician · Emergency Medicine Physician · DAYTON, WA

  • NPI 1851375265
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1012 S 3RD ST
DAYTON, WA 99328
(509) 382-2531
fax (509) 382-3205

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 3, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Washington #MD00037711 · Washington #MD0037711
Medicaid
WA #1020580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851375265. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
386
Distinct HCPCS
6
Medicare allowed
$42,526
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 139 134 $175
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 121 115 $8
99284 Emergency department visit with moderate level of medical decision making 64 63 $120
99291 Critical care, first 30-74 minutes 30 29 $213
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 14 $79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 11 $130

In context: peer comparison

Among 3 peers in this city , average services per provider: 64. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
54
Patients
41
Total drug cost
$332
Drug Type Claims Patients Total cost
Prednisone Generic 27 25 $94
Cephalexin Generic 16 16 $167
Azithromycin Generic 11 0 $72

Hospital affiliations

CMS Hospital Compare