Doctor profile · Federal record

Dr. Rebecca Gilfillan, M.D.

Psychiatry Physician · Chicago, IL

  • NPI 1164786836
  • 14 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
836 W Wellington Ave, Unit 631
Chicago, IL 606575147
(773) 296-5631
fax (773) 296-5638

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
December 23, 2021
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Illinois #036136547

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164786836. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
214
Distinct HCPCS
3
Medicare allowed
$27,144
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 179 26 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 16 $182
99238 Hospital discharge day management, 30 minutes or less 16 15 $84

In context: peer comparison

Among 81 peers in Chicago Psychiatry Physician, average services per provider: 102. This provider delivers 2.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rebecca Gilfillan's medical specialty?
Dr. Rebecca Gilfillan practices Psychiatry Physician in Chicago, IL.
Where does Dr. Rebecca Gilfillan practice?
Dr. Rebecca Gilfillan practices at 836 W Wellington Ave, Chicago, IL 606575147. Office phone: 7732965631.
What is Dr. Rebecca Gilfillan's NPI?
Dr. Rebecca Gilfillan's National Provider Identifier (NPI) is 1164786836, issued by NPPES.
What procedures does Dr. Rebecca Gilfillan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.