Timothy John Oja, DO - Medicare Psychiatry & Neurology in Portage, MI

Timothy John Oja, DO is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Portage, Michigan. His current practice location is 7895 Currier Dr, Portage, Michigan. You can reach out to his office (for appointments etc.) via phone at (269) 910-7327.

Timothy John Oja is licensed to practice in Michigan (license number 5101028170) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1134787070.

Contact Information

Timothy John Oja, DO
7895 Currier Dr,
Portage, MI 49002-4314
(269) 910-7327
Not Available

Map and Direction




Physician's Profile

Full NameTimothy John Oja
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location7895 Currier Dr, Portage, Michigan
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1134787070
  • Provider Enumeration Date: 06/05/2019
  • Last Update Date: 07/11/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7214262971
  • Enrollment ID: I20230518003488

Medical Identifiers

Medical identifiers for Timothy John Oja such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134787070NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 5101028170 (Michigan)Primary
2084P0800XPsychiatry & Neurology - Psychiatry 5151014007 (Michigan)Secondary
2084A0401XPsychiatry & Neurology - Addiction Medicine 73368 (Minnesota)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. Timothy John Oja allows following entities to bill medicare on his behalf.
Entity NameMayo Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922074434
PECOS PAC ID: 6507778255
Enrollment ID: O20031103000285

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. Timothy John Oja 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
Timothy John Oja, DO
300 68th St Se,
Grand Rapids, MI 49548-6927

Ph: (616) 455-5000
Timothy John Oja, DO
7895 Currier Dr,
Portage, MI 49002-4314

Ph: (269) 910-7327

Reviews and Comments


Psychiatry & Neurology Doctors in Portage, MI

Ravinder Mediratta, M.D.
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Phone: 269-342-0606    Fax: 269-342-0919
Mark G Goetting, MD
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Phone: 269-324-0799    Fax: 269-324-8013
Dr. Niaz Mohammad, MD
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Practice Location: 7895 Currier Dr, Portage, MI 49002
Phone: 269-321-7090    
Mr. Thomas C Dunne, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 291 W Centre Ave, Portage, MI 49024
Phone: 269-488-8430    Fax: 269-488-8551
Dr. Philip Alexander Mataverde, D.O.
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Practice Location: 3200 W Centre Ave Ste 203, Portage, MI 49024
Phone: 269-349-9745    

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.