John Grabowski, M.D
Psychiatry Physician · Detroit, MI
John Grabowski, M.D is a psychiatry physician with a practice address in Detroit, Michigan, and NPI 1477517191, issued on Apr 12, 2006. Check the license (Michigan 4301048493, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Grabowski
- Credential
- M.D
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 4301048493 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4646 John R St, Detroit, MI 48201
- Phone
- (313) 576-4906
- Enumerated
- Apr 12, 2006
- Record last updated
- Nov 23, 2022
- Fax
- (313) 576-1091
- Medicare enrollment
- Enrolled (PECOS I20060719000073); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 4646 John R St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eden AbapoMedical-Surgical Registered Nurse1558083972
- Priseval-Henry AbapoAdministrator Registered Nurse1417685116
- Fatima AbbasPharmacist1811513237
- Syed Abbas, PHARM D.Pharmacist1871504563
- Jamal Abdellateef, RNAdult Psychiatric/Mental Health Registered Nurse1811624349
- Michelle Abela, PHDClinical Psychologist1710187661
Verify John Grabowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301048493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average psychiatry physician in 2024
849 Medicare Part D claims for 56 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Clonazepam63 claims
- Sertraline Hcl62 claims
- Aripiprazole40 claims
- Trazodone Hcl36 claims
- Venlafaxine Hcl Er35 claims
- Lorazepam34 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.
John Grabowski among 1,729 psychiatry physician records in Michigan
John Grabowski, M.D is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1983 · median 2005 among the 828 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Michigan
There are 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Detroit → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jean Alce, M.D.Detroit, MI 482011083616429
- Richard Balon, MDDetroit, MI 482011134166846
- Luay Haddad, MDDetroit, MI 482011538106059
- Sunday Ilechukwu, MDDetroit, MI 482011144268269
- Usha Kilaru, M.DDetroit, MI 482011144272022
- Thomas McCullough, MDDetroit, MI 482011386609121
- Abdul Rauf, MDDetroit, MI 482011417994906
- David Rosenberg, MDDetroit, MI 482011770521841
Common questions
What is John Grabowski, M.D's NPI number?
John Grabowski, M.D's National Provider Identifier (NPI) is 1477517191, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Grabowski, M.D located?
The NPPES record lists a practice address at 4646 John R St, Detroit, MI, 48201. Phone: (313) 576-4906. Providers update this record themselves, so call before visiting.
How can I verify John Grabowski, M.D's license?
NPPES lists Michigan license number 4301048493, 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 John Grabowski, M.D prescribe under Medicare Part D?
In 2024, John Grabowski, M.D had 849 Medicare Part D claims for 56 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.