Doctor profile · Federal record

Dr. Wendy Chen, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Chicago, IL

  • NPI 1164943726
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave Ste Mc6098
Chicago, IL 606371448
(773) 702-8840
fax (773) 702-4144
Additional location
3 Erie CT Ste L700
Oak Park, IL 603022519
(708) 763-6908
fax (708) 763-6655
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 605274503

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
October 10, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (3)
Illinois #036153215 · Illinois #125.071510 · Illinois #036.153215

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164943726. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58
Distinct HCPCS
2
Medicare allowed
$12,037
HCPCS Description Services Patients Avg allowed
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 41 40 $218
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $182

In context: peer comparison

Among 154 peers in this city , average services per provider: 128. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
0
Total drug cost
$1,907
Drug Type Claims Patients Total cost
Memantine Hcl Generic 20 0 $694
Atorvastatin Calcium Generic 19 0 $301
Metformin Hcl Generic 14 0 $150
Gabapentin Generic 13 0 $122
Lisinopril Generic 13 0 $160
Levothyroxine Sodium Generic 12 0 $223
Levetiracetam Generic 11 0 $257

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendy Chen's medical specialty?
Dr. Wendy Chen practices Hospitalist Physician in Chicago, IL.
Where does Dr. Wendy Chen practice?
Dr. Wendy Chen practices at 5841 S Maryland Ave Ste Mc6098, Chicago, IL 606371448. Office phone: 7737028840.
What is Dr. Wendy Chen's NPI?
Dr. Wendy Chen's National Provider Identifier (NPI) is 1164943726, issued by NPPES.
Does Dr. Wendy Chen accept Medicare assignment?
Yes. Dr. Wendy Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendy Chen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with same-day admission and discharge with high level of medical decision making (HCPCS 99236); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.