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 Evanston Certified Registered Nurse Anesthetist, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Esther an's medical specialty?
Dr. Esther an practices Certified Registered Nurse Anesthetist in Evanston, IL.
Where does Dr. Esther an practice?
Dr. Esther an practices at 2650 Ridge Ave, Evanston, IL 602011718. Office phone: 8475702760.
What is Dr. Esther an's NPI?
Dr. Esther an's National Provider Identifier (NPI) is 1679854129, issued by NPPES.
Does Dr. Esther an accept Medicare assignment?
Yes. Dr. Esther an accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Esther an commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.