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

Dr. Gregory Don Balcerak, DO

Individual provider Internal Medicine Physician · NPI 1538839154

Dr. Gregory Don Balcerak, DO is an Internal Medicine Physician in Stillwater, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2021.

Licensed in
OK
In the registry since
2021
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

1815 W 6th Ave
Stillwater, OK 74074-4202
Phone: (405) 743-7300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 8596 (OK)

Record details

NPI number1538839154
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 15, 2021
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026
Mailing address501 Copperfield Dr, Edmond, OK 73003-6177

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