JAMES MICHAEL OAKS DO
NPI 1083690382
Psychiatry & Neurology - Psychiatry in Newark, OH

Active since December 19, 2005PECOS Enrolled
200 MESSIMER DRIVE, NEWARK, OH 43055(740) 348-4870(740) 348-4871 Get Directions Write a Review

NPPES record last updated: April 16, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James Michael Oaks Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES MICHAEL OAKS DO (NPI 1083690382) is an individual psychiatry provider in Newark, Ohio, licensed in Ohio (34007130) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083690382
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJAMES MICHAEL OAKSCredential: DO
Location Address200 MESSIMER DRIVENewark, OH 43055
Mailing Address455 Riley AveWorthington, OH 43085-3038 · (740) 348-4870 · Fax (740) 348-4871
Fax(740) 348-4871
Sole ProprietorNo
Enumeration DateDecember 19, 2005
Last NPPES UpdateApril 16, 2018
✔ NPI 1083690382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in OH · 34007130
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Forensic PsychiatryTaxonomy 2084F0202X · License 34.007130 (OH)
200 MESSIMER DRIVE, Newark, OH 43055

Other Identifiers 1

Medicaid2183462OH

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James Michael Oaks Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Oaks reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Intermediate Care Facility, Intellectual Disabilities
1250 VERNONVIEW DR
Mount Vernon, OH 43050
  • Reassigned Medicare billing, Ohio enrollment
  • Medicare enrollment name: State Of Ohio Office Of Budget And Management State Accounting
  • 263 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.65 typical visit price
range $54.34 – $166.65
Typical copayment $41.66 (range $13.58 – $41.66)
Most-billed visit code 99205
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
200 MESSIMER DRIVE
NEWARK, OH 43055
Preventive Medicine (Addiction Medicine)
200 MESSIMER DRIVE
NEWARK, OH 43055
Nurse Practitioner (Psychiatric/Mental Health)
200 MESSIMER DRIVE
NEWARK, OH 43055
Counselor (Professional)
200 MESSIMER DRIVE
NEWARK, OH 43055

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Oaks's NPI number?

The NPI number for James Oaks is 1083690382. It was assigned to this individual provider in the NPPES registry on December 19, 2005.

Where is James Oaks located?

James Oaks practices at 200 Messimer Drive, Newark, OH 43055. The listed phone number is (740) 348-4870.

What is James Oaks's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is James Oaks enrolled in Medicare?

Yes. James Oaks is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Oaks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Oaks reassigns Medicare benefits to Mount Vernon Developmental Center (Mount Vernon, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Oaks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Oaks was last updated on April 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.