Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Nicholson Whelan, DO

Individual provider Psychiatry Physician · NPI 1194393041

John Nicholson Whelan, DO is a Psychiatry Physician in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2021.

Licensed in
OK
In the registry since
2021
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

920 Stanton L Young Blvd Ste 3216
Oklahoma City, OK 73104-5036
Phone: (405) 271-8001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 8067 (OK)
Psychiatry Physician Taxonomy 2084P0800X · Licence 0526R (OK)

Record details

NPI number1194393041
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2021
Last updated in NPPESJune 28, 2023
Certification dateJune 28, 2023

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