Doctor profile · Federal record

Dr. Wanna Zhang, M.D.

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

  • NPI 1023561859
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 S Paulina St
Chicago, IL 606123806
(312) 942-5000
Mailing address
1650 W Harrison St, Ste 466 Atrium
Chicago, IL 606123800

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
March 30, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036-148653 · Illinois #125069645

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023561859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
616
Distinct HCPCS
7
Medicare allowed
$67,820
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 316 119 $85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 134 70 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 73 72 $185
99238 Hospital discharge day management, 30 minutes or less 31 31 $84
99239 Hospital discharge day management, more than 30 minutes 25 25 $122
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 21 14 $54
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $236

In context: peer comparison

Among 154 peers in Chicago Hospitalist Physician, average services per provider: 128. This provider delivers 4.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Wanna Zhang's medical specialty?
Dr. Wanna Zhang practices Hospitalist Physician in Chicago, IL.
Where does Dr. Wanna Zhang practice?
Dr. Wanna Zhang practices at 600 S Paulina St, Chicago, IL 606123806. Office phone: 3129425000.
What is Dr. Wanna Zhang's NPI?
Dr. Wanna Zhang's National Provider Identifier (NPI) is 1023561859, issued by NPPES.
Does Dr. Wanna Zhang accept Medicare assignment?
Yes. Dr. Wanna Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wanna Zhang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.