Doctor profile · Federal record

Dr. Joseph Michalsen, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Ann Arbor, MI

  • NPI 1841586989
  • Accepts Medicare
  • MIPS 82.0 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2000 Green RD, Suite 300
Ann Arbor, MI 481051598
(734) 995-3764

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
October 5, 2015
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Michigan #5101019468

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841586989. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
647
Distinct HCPCS
5
Medicare allowed
$85,217
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 285 279 $182
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 141 136 $8
99284 Emergency department visit with moderate level of medical decision making 137 137 $125
99291 Critical care, first 30-74 minutes 62 60 $217
99283 Emergency department visit with low level of medical decision making 22 22 $75

In context: peer comparison

Among 75 peers in this city , average services per provider: 70. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
188
Patients
178
Total drug cost
$1,667
Drug Type Claims Patients Total cost
Cephalexin Generic 31 31 $176
Prednisone Generic 30 30 $70
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 28 20 $995
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 23 $68
Ondansetron Odt (Ondansetron) Brand 21 21 $108
Tramadol Hcl Generic 16 15 $18
Ibuprofen Generic 15 15 $45
Ciprofloxacin Hcl Generic 12 12 $67
Doxycycline Hyclate Generic 12 11 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Michalsen's medical specialty?
Dr. Joseph Michalsen practices Emergency Medicine Physician in Ann Arbor, MI.
Where does Dr. Joseph Michalsen practice?
Dr. Joseph Michalsen practices at 2000 Green RD, Ann Arbor, MI 481051598. Office phone: 7349953764.
What is Dr. Joseph Michalsen's NPI?
Dr. Joseph Michalsen's National Provider Identifier (NPI) is 1841586989, issued by NPPES.
Does Dr. Joseph Michalsen accept Medicare assignment?
Yes. Dr. Joseph Michalsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Michalsen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.