Doctor profile · Federal record

Dr. Tamara Gregory, APN-CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Arlington Heights, IL

  • NPI 1811928633
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
800 W Central RD
Arlington Heights, IL 600052349
(847) 618-7140
fax (847) 618-0228
Additional location
40W012 Wellington Way
Geneva, IL 60134
(312) 695-9797
Mailing address
2650 Ridge Ave Ste 1223
Evanston, IL 602011700

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 2, 2026
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Illinois #209003175 · Illinois #041281986

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811928633. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
3
Medicare allowed
$3,016
HCPCS Description Services Patients Avg allowed
00813 Anesthesia for procedure on small and large bowel using an endoscope 17 17 $80
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 13 13 $70
00811 Anesthesia for other procedure on large bowel using an endoscope 12 12 $62

In context: peer comparison

Among 10 peers in Arlington Heights Certified Registered Nurse Anesthetist, average services per provider: 21. This provider delivers 2.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tamara Gregory's medical specialty?
Dr. Tamara Gregory practices Certified Registered Nurse Anesthetist in Arlington Heights, IL.
Where does Dr. Tamara Gregory practice?
Dr. Tamara Gregory practices at 800 W Central RD, Arlington Heights, IL 600052349. Office phone: 8476187140.
What is Dr. Tamara Gregory's NPI?
Dr. Tamara Gregory's National Provider Identifier (NPI) is 1811928633, issued by NPPES.
Does Dr. Tamara Gregory accept Medicare assignment?
Yes. Dr. Tamara Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tamara Gregory commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.