Irene Tsung, MD
Medical Oncology Physician · Ann Arbor, MI
Irene Tsung, MD is a medical oncology physician with a practice address in Ann Arbor, Michigan, and NPI 1265882286, issued on Jun 21, 2016. Check the license (Michigan 4301119341, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Irene Tsung
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 4301119341 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Jun 21, 2016
- Record last updated
- Sep 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20190715001320); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 177 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irene Tsung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301119341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average medical oncology physician in 2024
653 Medicare Part D claims for 89 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 34 claims were for opioids.
Most prescribed
- Abiraterone Acetate207 claims
- Prednisone189 claims
- Xtandi33 claims
- Prochlorperazine Maleate31 claims
- Hydrocodone-Acetaminophen18 claims
- Ondansetron Hcl16 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): 99 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
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irene Tsung among 177 medical oncology physician records in Michigan
Irene Tsung, MD is one of 177 medical oncology physician records with a practice address in Michigan. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 90% of them.
- NPI issued2016 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2016 · median 2000 among the 135 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Michigan
There are 177 medical oncology physician records in Michigan.
All 177 in Michigan → Every provider in Ann Arbor → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Joshi Alumkal, MDAnn Arbor, MI 481091114036720
- Ronald BuckanovichAnn Arbor, MI 481091407869720
- Rashmi Chugh, MDAnn Arbor, MI 481091356427314
- Harry Erba, MDAnn Arbor, MI 481091508942566
- Scott Gitlin, MDAnn Arbor, MI 481091164508016
- Maha Hussain, MB,CHBAnn Arbor, MI 481091245316199
- Kathleen Kemmer, M.D.Ann Arbor, MI 481091851323679
- John Krauss, M.D.Ann Arbor, MI 481091396745014
Common questions
What is Irene Tsung, MD's NPI number?
Irene Tsung, MD's National Provider Identifier (NPI) is 1265882286, issued on Jun 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Irene Tsung, MD located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Irene Tsung, MD's license?
NPPES lists Michigan license number 4301119341, 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 Irene Tsung, MD prescribe under Medicare Part D?
In 2024, Irene Tsung, MD had 653 Medicare Part D claims for 89 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Irene Tsung, MD's MIPS final score?
The 2023 MIPS final score is 99 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.