Doctor profile · Federal record

Dr. Eunice Chan, D.O.

Family Medicine Physician · Oak Park, IL

  • NPI 1770847766
  • 14 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1010 Lake St, Suite 500
Oak Park, IL 603011147
(708) 524-8600
fax (708) 524-8147

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
February 18, 2016
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036-137660
Medicaid
IL #036137660

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770847766. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
63
Distinct HCPCS
3
Medicare allowed
$6,460
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 35 21 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 17 16 $92
G0444 Annual depression screening, 5 to 15 minutes 11 11 $19

In context: peer comparison

Among 23 peers in this city , average services per provider: 74. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $20.44

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
408
Patients
142
Total drug cost
$16,067
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 68 24 $1,097
Amlodipine Besylate Generic 52 19 $416
Shingrix (Varicella-Zoster Ge/As01b/Pf) Brand 39 36 $7,940
Lisinopril Generic 38 15 $416
Duloxetine Hcl Generic 28 0 $663
Metformin Hcl Generic 28 12 $166
Boostrix Tdap (Diphth,pertuss(Acell),tet Vac) Brand 25 25 $1,694
Levothyroxine Sodium Generic 22 0 $232
Hydrochlorothiazide Generic 21 11 $176
Losartan Potassium Generic 19 0 $271

Frequently asked questions

Auto-generated from federal data
What is Dr. Eunice Chan's medical specialty?
Dr. Eunice Chan practices Family Medicine Physician in Oak Park, IL.
Where does Dr. Eunice Chan practice?
Dr. Eunice Chan practices at 1010 Lake St, Oak Park, IL 603011147. Office phone: 7085248600.
What is Dr. Eunice Chan's NPI?
Dr. Eunice Chan's National Provider Identifier (NPI) is 1770847766, issued by NPPES.
What procedures does Dr. Eunice Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.