Doctor profile · Federal record

Dr. ESTHER AN, CRNA

Certified Registered Nurse Anesthetist (CMS: CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)) · Registered Nurse · EVANSTON, IL

  • NPI 1679854129
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2650 RIDGE AVE
EVANSTON, IL 602011718
(847) 570-2760
Additional location
1775 Dempster St
Park Ridge, IL 600681143
(847) 723-2210
Additional location
836 W Wellington Ave
Chicago, IL 606575147
(773) 975-1600
Mailing address
3048 MARY KAY LN
GLENVIEW, IL 600261137

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
August 25, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Illinois #209009146 · Illinois #041319037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679854129. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
192
Distinct HCPCS
7
Medicare allowed
$17,034
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 61 61 $68
00811 Anesthesia for other procedure on large bowel using an endoscope 36 36 $102
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 29 29 $114
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 23 23 $72
00812 Anesthesia for exam of colon using an endoscope 18 18 $79
00813 Anesthesia for procedure on small and large bowel using an endoscope 13 13 $87
00813 Anesthesia for procedure on small and large bowel using an endoscope 12 12 $140

In context: peer comparison

Among 30 peers in this city , average services per provider: 23. This provider delivers 8.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$52
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Becton, Dickinson and Company 1 $37.95
Merck Sharp & Dohme LLC 1 $14.31

By nature of payment

Food and Beverage
$52

Hospital affiliations

CMS Hospital Compare