Doctor profile · Federal record

Dr. Michael Yu, MD

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

  • NPI 1255993291
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 S Fairfield Ave
Chicago, IL 606081782
(773) 542-2000
Additional location
1101 26Th St S
Great Falls, MT 594055161
(406) 731-8888
fax (406) 731-8318
Mailing address
1101 26Th St S
Great Falls, MT 594055161

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
December 3, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036175589 · Montana #108698

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255993291. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
851
Distinct HCPCS
7
Medicare allowed
$76,986
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 427 193 $78
99239 Hospital discharge day management, more than 30 minutes 170 163 $113
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 105 64 $49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 52 51 $128
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 49 38 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 34 34 $171
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 14 14 $82

In context: peer comparison

Among 154 peers in this city , average services per provider: 128. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$529
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 3 $363.15
PFIZER INC. 2 $127.21
E.R. Squibb & Sons, L.L.C. 1 $22.67
Gilead Sciences, Inc. 1 $15.70

By nature of payment

Food and Beverage
$529

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
43
Total drug cost
$495
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 18 18 $174
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 12 $88
Metoprolol Succinate Generic 13 13 $102
Clopidogrel (Clopidogrel Bisulfate) Brand 12 0 $67
Atorvastatin Calcium Generic 11 0 $64

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Yu's medical specialty?
Dr. Michael Yu practices Hospitalist Physician in Chicago, IL.
Where does Dr. Michael Yu practice?
Dr. Michael Yu practices at 1500 S Fairfield Ave, Chicago, IL 606081782. Office phone: 7735422000.
What is Dr. Michael Yu's NPI?
Dr. Michael Yu's National Provider Identifier (NPI) is 1255993291, issued by NPPES.
Does Dr. Michael Yu accept Medicare assignment?
Yes. Dr. Michael Yu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Yu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.