Physician Profile
Timothy J. Oja, DO
Unclaimed ProfileAbout Dr. Oja
Based in Portage, MI, Timothy J. Oja, DO is listed in the NPI registry under psychiatry. Timothy graduated from Michigan State University College of Osteopathic Medicine in 2019. Timothy is also listed as specializing in addiction medicine (neurology/psychiatry).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (269) 910-7327
- Email not available
Practice Locations
7895 CURRIER DR
Portage, MI 49002
300 68th St SE
Grand Rapids, MI 49548
200 1st St SW
Rochester, MN 55905
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychiatrists in Portage 3
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Michigan State University College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Michigan State University College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Oja?
Dr. Oja is a psychiatrist in Portage, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
What is Dr. Oja's address?
Dr. Oja is listed at 7895 Currier Dr, Portage, MI 49002. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Oja?
The number on file is (269) 910-7327. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Oja's NPI number?
Dr. Oja's National Provider Identifier is 1134787070. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Oja train?
Dr. Oja attended Michigan State University College of Osteopathic Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Oja been practicing?
Dr. Oja has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Oja confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oja. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.