Doctor profile · Federal record

Dr. Harsimran Singh, MD

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

  • NPI 1578028858
  • Accepts Medicare
  • MIPS 91.3 / 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
251 E Huron St
Chicago, IL 606112908
(312) 926-2000
Additional location
344 E 6Th St
Madera, CA 936383631
(559) 664-4000

Credentials & registration

NPPES · NUCC
NPI registered
January 2019 — 7 yrs on file
Profile last updated
May 3, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036160880 · California #A177827

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578028858. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
293
Distinct HCPCS
5
Medicare allowed
$28,208
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 177 92 $80
99239 Hospital discharge day management, more than 30 minutes 55 53 $119
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 28 $135
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 17 11 $52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $179

In context: peer comparison

Among 154 peers in this city , average services per provider: 128. This provider delivers 2.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Harsimran Singh's medical specialty?
Dr. Harsimran Singh practices Hospitalist Physician in Chicago, IL.
Where does Dr. Harsimran Singh practice?
Dr. Harsimran Singh practices at 251 E Huron St, Chicago, IL 606112908. Office phone: 3129262000.
What is Dr. Harsimran Singh's NPI?
Dr. Harsimran Singh's National Provider Identifier (NPI) is 1578028858, issued by NPPES.
Does Dr. Harsimran Singh accept Medicare assignment?
Yes. Dr. Harsimran Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harsimran Singh 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); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.