Doctor profile · Federal record

Dr. Michael Christensen, M.D.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Milwaukee, WI

  • NPI 1588754667
  • Accepts Medicare
  • 36 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1550 E Royall Pl, #601
Milwaukee, WI 532021869
(414) 328-7146

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 31, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Wisconsin #56845 · Illinois #036084833
Medicaid (2)
IL #036084833 · WI #100022869

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588754667. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
467
Distinct HCPCS
5
Medicare allowed
$38,253
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 266 116 $76
99238 Hospital discharge day management, 30 minutes or less 90 87 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 53 35 $47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 36 $166
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 22 $124

In context: peer comparison

Among 82 peers in Milwaukee Hospitalist Physician, average services per provider: 91. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
14
Total drug cost
$132
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 14 14 $132

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Christensen's medical specialty?
Dr. Michael Christensen practices Hospitalist Physician in Milwaukee, WI.
Where does Dr. Michael Christensen practice?
Dr. Michael Christensen practices at 1550 E Royall Pl, Milwaukee, WI 532021869. Office phone: 4143287146.
What is Dr. Michael Christensen's NPI?
Dr. Michael Christensen's National Provider Identifier (NPI) is 1588754667, issued by NPPES.
Does Dr. Michael Christensen accept Medicare assignment?
Yes. Dr. Michael Christensen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Christensen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.