Marybeth Kostiuk
Family Medicine Physician · Novi, MI
Marybeth Kostiuk is a family medicine physician with a practice address in Novi, Michigan, and NPI 1932640398, issued on Mar 17, 2017. Check the license (Michigan 5101023202, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Marybeth Kostiuk
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101023202 MI
Self-reported in NPPES; status is on the state search - Practice location
- 39555 W 10 Mile RD Ste 302, Novi, MI 48375
- Phone
- (248) 426-7200
- Enumerated
- Mar 17, 2017
- Record last updated
- Jun 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20181015001954); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 39555 W 10 Mile RD Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandi Jones, NURSE PRACTITIONERFamily Nurse Practitioner1356866842
- Devyn PorathMedical Physician Assistant1003393190
- Robert Zaid, D.O.Family Medicine Physician1679647200
Verify Marybeth Kostiuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101023202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average family medicine physician in 2024
1,388 Medicare Part D claims for 203 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium105 claims
- Lisinopril66 claims
- Levothyroxine Sodium60 claims
- Losartan Potassium47 claims
- Amlodipine Besylate45 claims
- Omeprazole36 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.
Industry payments in 2024: $564.09
30 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Henry Ford Physician PartnersWashington, MI
- Primecare OF Novi PLLCNovi, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marybeth Kostiuk among 6,013 family medicine physician records in Michigan
Marybeth Kostiuk is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 74% of them.
- NPI issued2017 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2008 among the 3,493 with a school on file
- Record last updated2025 · 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 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 family medicine physician records list a practice address in Novi
They are 51 of the 7,641 NPPES records with a practice address in Novi, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Novi → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Brateman, MDNovi, MI 483751548224769
- Peter Bullach, MDNovi, MI 483751437113669
- Victoria Dooley, M.D.Novi, MI 483751073789616
- Jonathon Faber, D.O.Novi, MI 483751700048915
- Fallon Kapatais, M.DNovi, MI 483751477811925
- Kelly Krueger, D.O.Novi, MI 483751487632014
- Ron Kuzdak, DONovi, MI 483751689618449
- Deanna Master, MDNovi, MI 483751437168234
Common questions
What is Marybeth Kostiuk's NPI number?
Marybeth Kostiuk's National Provider Identifier (NPI) is 1932640398, issued on Mar 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Marybeth Kostiuk located?
The NPPES record lists a practice address at 39555 W 10 Mile RD Ste 302, Novi, MI, 48375. Phone: (248) 426-7200. Providers update this record themselves, so call before visiting.
How can I verify Marybeth Kostiuk's license?
NPPES lists Michigan license number 5101023202, 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 Marybeth Kostiuk prescribe under Medicare Part D?
In 2024, Marybeth Kostiuk had 1,388 Medicare Part D claims for 203 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.