Doctor profile · Federal record

Dr. Alec Esker, MD

Gastroenterology Physician (CMS: Gastroenterology) · Yuma, AZ

  • NPI 1245276591
  • Accepts Medicare
  • MIPS 82.4 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1390 W 16Th St
Yuma, AZ 853644430
(928) 344-4325
fax (928) 344-3084
Mailing address
2400 S Avenue A
Yuma, AZ 853647127

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 19, 2024
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Arizona #20019
Medicaid
AZ #012568

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245276591. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,274
Distinct HCPCS
10
Medicare allowed
$160,481
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 356 323 $71
45380 Biopsy of large bowel using a flexible endoscope 355 350 $65
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 310 306 $246
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 94 89 $137
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 37 37 $153
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 36 36 $161
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 27 26 $144
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 18 18 $194
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $128
91110 Imaging of digestive tract done from the inside of the digestive tract 12 12 $110

In context: peer comparison

Among 4 peers in this city , average services per provider: 67. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
91
Patients
56
Total drug cost
$1,670
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 70 35 $1,335
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 21 21 $335

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alec Esker's medical specialty?
Dr. Alec Esker practices Gastroenterology Physician in Yuma, AZ.
Where does Dr. Alec Esker practice?
Dr. Alec Esker practices at 1390 W 16Th St, Yuma, AZ 853644430. Office phone: 9283444325.
What is Dr. Alec Esker's NPI?
Dr. Alec Esker's National Provider Identifier (NPI) is 1245276591, issued by NPPES.
Does Dr. Alec Esker accept Medicare assignment?
Yes. Dr. Alec Esker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alec Esker commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.