Mark Petrous, M.D.
Internal Medicine Physician · Livonia, MI
Mark Petrous, M.D. is an internal medicine physician with a practice address in Livonia, Michigan, and NPI 1386781490, issued on Jan 30, 2007. Check the license (Michigan 4301056981, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark Petrous
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301056981 MI
Self-reported in NPPES; status is on the state search - Practice location
- 20224 Farmington RD, Livonia, MI 48152
- Phone
- (248) 442-0005
- Enumerated
- Jan 30, 2007
- Record last updated
- Jul 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (248) 442-8843
- Medicare enrollment
- Enrolled (PECOS I20060508000087); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Verify Mark Petrous in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301056981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,776 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 471 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen365 claims
- Atorvastatin Calcium127 claims
- Lisinopril114 claims
- Levothyroxine Sodium88 claims
- Amlodipine Besylate85 claims
- Metoprolol Succinate72 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: $135.19
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Mark Petrous among 5,735 internal medicine physician records in Michigan
Mark Petrous, M.D. is one of 5,735 internal medicine 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1979 · median 2006 among the 3,564 with a school on file
- Record last updated2018 · 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 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 internal medicine physician records list a practice address in Livonia
They are 110 of the 4,733 NPPES records with a practice address in Livonia, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Livonia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shahid Ansari, MDLivonia, MI 481521376518175
- Mohammed Arsiwala, MDLivonia, MI 481521750380408
- Jay Daitch, M.D.Livonia, MI 481521023000783
- Derek Desouza, MDLivonia, MI 481521679565378
- Dhananjay Kumar, MDLivonia, MI 481521669461075
- Prasad Mikkilineni, MDLivonia, MI 481521871585562
- Edward Pearce, M.D.Livonia, MI 481521811989668
- Ala Shuker, M.D.Livonia, MI 481521346217627
Common questions
What is Mark Petrous, M.D.'s NPI number?
Mark Petrous, M.D.'s National Provider Identifier (NPI) is 1386781490, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Petrous, M.D. located?
The NPPES record lists a practice address at 20224 Farmington RD, Livonia, MI, 48152. Phone: (248) 442-0005. Providers update this record themselves, so call before visiting.
How can I verify Mark Petrous, M.D.'s license?
NPPES lists Michigan license number 4301056981, 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 Mark Petrous, M.D. prescribe under Medicare Part D?
In 2024, Mark Petrous, M.D. had 2,776 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.