Doctor profile · Federal record

Dr. Hassan Haji-Abdirahman, MD

Hospitalist Physician (CMS: Hospitalist) · Janesville, WI

  • NPI 1972735785
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 E Racine St
Janesville, WI 535462344
(608) 373-8000
fax (608) 373-8006

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
November 18, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Wisconsin #65195-020
Medicaid
WI #1972735785

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972735785. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
354
Distinct HCPCS
7
Medicare allowed
$48,902
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 193 184 $164
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 53 30 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 49 21 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $124
99238 Hospital discharge day management, 30 minutes or less 14 14 $77
99239 Hospital discharge day management, more than 30 minutes 14 14 $109
99291 Critical care, first 30-74 minutes 13 13 $202

In context: peer comparison

Among 5 peers in this city , average services per provider: 128. This provider delivers 2.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Hassan Haji-Abdirahman's medical specialty?
Dr. Hassan Haji-Abdirahman practices Hospitalist Physician in Janesville, WI.
Where does Dr. Hassan Haji-Abdirahman practice?
Dr. Hassan Haji-Abdirahman practices at 3400 E Racine St, Janesville, WI 535462344. Office phone: 6083738000.
What is Dr. Hassan Haji-Abdirahman's NPI?
Dr. Hassan Haji-Abdirahman's National Provider Identifier (NPI) is 1972735785, issued by NPPES.
Does Dr. Hassan Haji-Abdirahman accept Medicare assignment?
Yes. Dr. Hassan Haji-Abdirahman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hassan Haji-Abdirahman commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.