DR. GREGORY DON BALCERAK DO
NPI 1538839154
Internal Medicine in Stillwater, OK
About Dr. Gregory Don Balcerak Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY DON BALCERAK DO (NPI 1538839154) is an individual internal medicine provider in Stillwater, Oklahoma, licensed in Oklahoma (8596) and active in the NPI registry since September 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gregory Don Balcerak Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74074 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STILLWATER, OK 74074
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 Gregory Balcerak's NPI number?
The NPI number for Gregory Balcerak is 1538839154. It was assigned to this individual provider in the NPPES registry on September 15, 2021.
Where is Gregory Balcerak located?
Gregory Balcerak practices at 1815 W 6th Ave, Stillwater, OK 74074. The listed phone number is (405) 743-7300.
What is Gregory Balcerak's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gregory Balcerak enrolled in Medicare?
Yes. Gregory Balcerak is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Gregory Balcerak was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.