Dr John Grabowski, MD - Medicare Psychiatry in Detroit, MI

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Dr John Grabowski, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Detroit, Michigan. He went to Wayne State University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice Mclaren Port Huron and his current practice location is 4646 John R St, Detroit, Michigan. You can reach out to his office (for appointments etc.) via phone at (313) 576-4906.

Dr John Grabowski is licensed to practice in Michigan (license number 4301048493) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1477517191.

Contact Information

Dr John Grabowski, MD
4646 John R St,
Detroit, MI 48201-1916
(313) 576-4906
(313) 576-1091

Map and Direction




Physician's Profile

Full NameDr John Grabowski
GenderMale
SpecialityPsychiatry
Experience41 Years
Location4646 John R St, Detroit, Michigan
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Grabowski attended and graduated from Wayne State University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1477517191
  • Provider Enumeration Date: 04/12/2006
  • Last Update Date: 11/23/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 8921011834
  • Enrollment ID: I20060719000073

Medical Identifiers

Medical identifiers for Dr John Grabowski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477517191NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 4301048493 (Michigan)Primary
2084P0802XPsychiatry & Neurology - Addiction Psychiatry 4301048493 (Michigan)Secondary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John Grabowski allows following entities to bill medicare on his behalf.
Entity NameW.a. Foote Memorial Hospital, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598776718
PECOS PAC ID: 0244136067
Enrollment ID: O20031215000624
Entity NameMclaren Port Huron
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386888170
PECOS PAC ID: 9931018702
Enrollment ID: O20040204000779
Entity NameLakeland Medical Practices
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538397120
PECOS PAC ID: 1658427042
Enrollment ID: O20090928000216
Entity NameJohn Grabowski Md Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487378113
PECOS PAC ID: 3678958477
Enrollment ID: O20220914003715

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John Grabowski is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John Grabowski, MD
Po Box 361038,
Grosse Pointe Farms, MI 48236-5038

Ph: (586) 582-7979		Dr John Grabowski, MD
4646 John R St,
Detroit, MI 48201-1916

Ph: (313) 576-4906

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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