Neurologist | 40+ years experience

Dr. John Gilbert Oas, M.D.

920 N Hamilton Rd Ste 500, Gahanna, Ohio, 43230-1757

About Dr. John Gilbert Oas

Dr. John Gilbert Oas is a neurologist based in Gahanna, Ohio with 40 years of experience in Neurology. He completed his graduation from University Of Texas Medical Branch At Galveston in 1986. He is also affiliated with hospitals like and . He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. John Gilbert Oas is 35.074548 for Neurology in Ohio. His current practice location is 920 N Hamilton Rd Ste 500, Gahanna. Patients can reach him at 614-293-4969 or can fax him at 614-293-6111. Dr. John Gilbert Oas is M.D. in Neurology and his NPI number (Unique professional ID assigned by NPPES) is 1336146638.

Dr. John Gilbert Oas specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Practice Information

Dr. John Gilbert Oas speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. John Gilbert Oas
Specialization Neurology
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 40+ years
Medical School Attended University Of Texas Medical Branch At Galveston
Graduation Year 1986
Gender Male
Practice Address: 920 N Hamilton Rd Ste 500,
Gahanna, OH - 43230-1757
Fax 614-293-6111

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 8527012855
Enrollment ID I20050309000418
NPI Number1336146638
NPI Enumeration Date: 30 Jun, 2005
NPI Last Update On: 10 Nov, 2020

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. John Gilbert Oas are as mentioned below.

License NumberSpecializationStateStatus
35.074548Neurology OhioPrimary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(360085)Columbus, OHAcute Care Hospital
(360098)Concord, OHAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. John Gilbert Oas is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Lake Hospital System, Inc. (6002713922)165
Osu Neuroscience Center, Llc (8820990161)95

Other Medical Identifiers

Other legacy medical identifiers associated with Dr. John Gilbert Oas such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
P01686413OtherOhioRAILROAD MEDICARE
2104476MedicaidOhio

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. John Gilbert Oas
700 Ackerman Rd Ste 2120,
Columbus, OH - 43202-1559
Phone: 614-293-4969
Fax: 614-293-6111

Book an Appointment with Dr. John Gilbert Oas

To schedule an appointment, contact Dr. John Gilbert Oas at 920 N Hamilton Rd Ste 500, Gahanna, Ohio or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Gilbert Oas:

Dr. John Gilbert Oas is a neurologist specializing in Neurology. He specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Dr. John Gilbert Oas completed his education (M.D.) from University Of Texas Medical Branch At Galveston in 1986.

Dr. John Gilbert Oas has approximately 40 years of experience in Neurology.

Yes, Dr. John Gilbert Oas accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. John Gilbert Oas is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Dr. John Gilbert Oas practices at 920 N Hamilton Rd Ste 500, Gahanna, Ohio, 43230-1757.

To schedule an appointment with Dr. John Gilbert Oas, please contact the office at 614-293-4969.

Reviews & Feedback

Have you visited Dr. John Gilbert Oas? Share your experience to help others looking for neurologist in Gahanna, OH.

Read Reviews / Give Feedback
**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.