Jacob Parzen, MD
Radiation Oncology Physician · Mount Clemens, MI
Jacob Parzen, MD is a radiation oncology physician with a practice address in Mount Clemens, Michigan, and NPI 1871013029, issued on Jun 20, 2017. Check the license (Michigan 4301506484, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Jacob Parzen
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 4301506484 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1080 Harrington St, Mount Clemens, MI 48043
- Phone
- (586) 493-7510
- Enumerated
- Jun 20, 2017
- Record last updated
- May 31, 2022
- Medicare enrollment
- Enrolled (PECOS I20220606002149); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2017
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 239 in Michigan → Look up another NPI →
Also registered at 1080 Harrington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salman Fateh, D.O.Hematology & Oncology Physician1558574137
- Stephen Franklin, M.D.Radiation Oncology Physician1720061534
Verify Jacob Parzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301506484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average radiation oncology physician in 2024
325 Medicare Part D claims for 122 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Tamsulosin Hcl95 claims
- Hydrocodone-Acetaminophen35 claims
- Dexamethasone32 claims
- Omeprazole21 claims
- Cevimeline Hcl12 claims
- Finasteride12 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $548.44
2 payments; by number, the most common kind was consulting fee; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Oncologic Specialists PCClarkston, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Parzen among 239 radiation oncology physician records in Michigan
Jacob Parzen, MD is one of 239 radiation oncology physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2017 · median 2005 among the 172 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Michigan
There are 239 radiation oncology physician records in Michigan.
All 239 in Michigan → Every provider in Mount Clemens → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Stephen Franklin, M.D.Mount Clemens, MI 480431720061534
- Arthur Frazier, MDMount Clemens, MI 480431609899640
- Ronald Levitin, M.D.Lenox Township, MI 480481861841991
- Kanu Dalal, MDPort Huron, MI 480601215949060
- Andrew Cook, MDRoyal Oak, MI 480671861923369
- Donald BrabbinsRoyal Oak, MI 480731639148018
- Peter Chen, MD, FACRRoyal Oak, MI 480731932168481
- Prakash Chinnaiyan, M.D.Royal Oak, MI 480731467402172
Common questions
What is Jacob Parzen, MD's NPI number?
Jacob Parzen, MD's National Provider Identifier (NPI) is 1871013029, issued on Jun 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Parzen, MD located?
The NPPES record lists a practice address at 1080 Harrington St, Mount Clemens, MI, 48043. Phone: (586) 493-7510. Providers update this record themselves, so call before visiting.
How can I verify Jacob Parzen, MD's license?
NPPES lists Michigan license number 4301506484, 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 Jacob Parzen, MD prescribe under Medicare Part D?
In 2024, Jacob Parzen, MD had 325 Medicare Part D claims for 122 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Jacob Parzen, MD's MIPS final score?
The 2023 MIPS final score is 73.4 of 100, reported for the practice group. 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.