Joseph Ryan Michalsen, DO
Emergency Medicine Physician · Ann Arbor, MI
Joseph Ryan Michalsen, DO is an emergency medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1841586989, issued on Jun 28, 2011. Check the license (Michigan 5101019468, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Joseph Ryan Michalsen
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101019468 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Green RD, Ann Arbor, MI 48105
- Phone
- (734) 995-3764
- Enumerated
- Jun 28, 2011
- Record last updated
- Oct 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140307001076); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 2000 Green RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Walter Albrecht, MDEmergency Medicine Physician1639183775
- Brian Allen, MDEmergency Medicine Physician1033438130
- John Baselle, MDEmergency Medicine Physician1013931807
- Marianne Bonomo, NPFamily Nurse Practitioner1184915548
- Evan Boyar, MDEmergency Medicine Physician1821002973
- Annie Cheng, PA-CPhysician Assistant1437989613
Verify Joseph Ryan Michalsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101019468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average emergency medicine physician in 2024
320 Medicare Part D claims for 214 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 46 claims were for opioids.
Most prescribed
- Cephalexin40 claims
- Prednisone34 claims
- Ondansetron Odt27 claims
- Albuterol Sulfate Hfa25 claims
- Hydrocodone-Acetaminophen24 claims
- Ibuprofen18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 89.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Emergency Professionals OF Michigan PCTrenton, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Ryan Michalsen among 3,083 emergency medicine physician records in Michigan
Joseph Ryan Michalsen, DO is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 45% of them.
- NPI issued2011 · 45% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2013 among the 1,931 with a school on file
- Record last updated2015 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
236 emergency medicine physician records list a practice address in Ann Arbor
They are 236 of the 15,616 NPPES records with a practice address in Ann Arbor, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Ann Arbor → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Walter Albrecht, MDAnn Arbor, MI 481051639183775
- John Baselle, MDAnn Arbor, MI 481051013931807
- Evan Boyar, MDAnn Arbor, MI 481051821002973
- Michael Burke, MDAnn Arbor, MI 481051528086840
- Suzanne Christopherson, MDAnn Arbor, MI 481051497779284
- Donna Hood, MDAnn Arbor, MI 481051972521342
- Jerry Huss, MDAnn Arbor, MI 481051639197726
- Gina Jordan, MDAnn Arbor, MI 481051225032741
Common questions
What is Joseph Ryan Michalsen, DO's NPI number?
Joseph Ryan Michalsen, DO's National Provider Identifier (NPI) is 1841586989, issued on Jun 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Ryan Michalsen, DO located?
The NPPES record lists a practice address at 2000 Green RD, Ann Arbor, MI, 48105. Phone: (734) 995-3764. Providers update this record themselves, so call before visiting.
How can I verify Joseph Ryan Michalsen, DO's license?
NPPES lists Michigan license number 5101019468, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Ryan Michalsen, DO prescribe under Medicare Part D?
In 2024, Joseph Ryan Michalsen, DO had 320 Medicare Part D claims for 214 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Joseph Ryan Michalsen, DO's MIPS final score?
The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.