Fethi Onal
Internal Medicine Physician · Grosse Pointe Woods, MI
Fethi Onal is an internal medicine physician with a practice address in Grosse Pointe Woods, Michigan, and NPI 1124777354, issued on Mar 23, 2022. Check the license (Michigan 4301513941, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Fethi Onal
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301513941 MI
Self-reported in NPPES; status is on the state search - Practice location
- 19251 Mack Ave Ste 333, Grosse Pointe Woods, MI 48236
- Phone
- (313) 343-7280
- Enumerated
- Mar 23, 2022
- Record last updated
- Jul 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250519000866); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 19251 Mack Ave Ste 333
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Fethi Onal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301513941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
387 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium31 claims
- Metoprolol Succinate29 claims
- Metformin Hcl18 claims
- Trulicity18 claims
- Clopidogrel16 claims
- Furosemide16 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.
Bills Medicare through one group practice
- Henry Ford Health St. John HospitalGrosse Pointe Woods, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fethi Onal among 5,735 internal medicine physician records in Michigan
Fethi Onal 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2006 among the 3,564 with a school on file
- Record last updated2025 · 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).
21 internal medicine physician records list a practice address in Grosse Pointe Woods
They are 21 of the 561 NPPES records with a practice address in Grosse Pointe Woods, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Grosse Pointe Woods → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Beals, MDGrosse Pointe Shores, MI 482361578565115
- Muna Beeai, MDGrosse Pointe Farms, MI 482361689676215
- Mohammed Beeai, MDGrosse Pointe Woods, MI 482361356334270
- Patrick Charles, M.D.Detroit, MI 482361396742151
- Mark Dukaj, MDDetroit, MI 482361285636639
- Mohamad Fakih, MDGrosse Pointe Woods, MI 482361992798771
- Ronald Hertz, DOGrosse Pointe Woods, MI 482361053304816
- Raymond Hilu, MDGrosse Pointe Woods, MI 482361689667453
Common questions
What is Fethi Onal's NPI number?
Fethi Onal's National Provider Identifier (NPI) is 1124777354, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Fethi Onal located?
The NPPES record lists a practice address at 19251 Mack Ave Ste 333, Grosse Pointe Woods, MI, 48236. Phone: (313) 343-7280. Providers update this record themselves, so call before visiting.
How can I verify Fethi Onal's license?
NPPES lists Michigan license number 4301513941, 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 Fethi Onal prescribe under Medicare Part D?
In 2024, Fethi Onal had 387 Medicare Part D claims for 46 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.