Doctor profile · Federal record

Dr. Muhammad Ahsan, D.O.

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

  • NPI 1225491095
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
820 N Wood St Apt 3
Chicago, IL 606226557
(810) 423-3441

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
August 14, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036.151586

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225491095. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
594
Distinct HCPCS
4
Medicare allowed
$59,603
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 240 134 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 220 109 $78
99239 Hospital discharge day management, more than 30 minutes 114 110 $112
99238 Hospital discharge day management, 30 minutes or less 20 20 $79

In context: peer comparison

Among 154 peers in this city , average services per provider: 128. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$129
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $129.42

By nature of payment

Food and Beverage
$129

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
38
Total drug cost
$268
Drug Type Claims Patients Total cost
Prednisone Generic 15 15 $79
Cefuroxime (Cefuroxime Axetil) Brand 13 12 $148
Furosemide Generic 12 11 $40

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Muhammad Ahsan's medical specialty?
Dr. Muhammad Ahsan practices Hospitalist Physician in Chicago, IL.
Where does Dr. Muhammad Ahsan practice?
Dr. Muhammad Ahsan practices at 820 N Wood St Apt 3, Chicago, IL 606226557. Office phone: 8104233441.
What is Dr. Muhammad Ahsan's NPI?
Dr. Muhammad Ahsan's National Provider Identifier (NPI) is 1225491095, issued by NPPES.
Does Dr. Muhammad Ahsan accept Medicare assignment?
Yes. Dr. Muhammad Ahsan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Muhammad Ahsan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.