DR. GREGORY MARK WITTENBURG MD
NPI 1689234916
Family Medicine in Austin, TX
About Dr. Gregory Mark Wittenburg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY MARK WITTENBURG MD (NPI 1689234916) is an individual family medicine provider in Austin, Texas, licensed in Texas (W5205) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Centura St. Catherine Hospital-garden City, and is a graduate of Creighton University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gregory Mark Wittenburg Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Centura St. Catherine Hospital-Garden City
Acute Care Hospitals · Garden City, KSCentura St. Catherine-Dodge City
Acute Care Hospitals · Dodge City, KSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78722 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUSTIN, TX 78722
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 Wittenburg's NPI number?
The NPI number for Gregory Wittenburg is 1689234916. It was assigned to this individual provider in the NPPES registry on June 18, 2019. The provider is also known as Dr. Greg Wittenburg MD.
Where is Gregory Wittenburg located?
Gregory Wittenburg practices at 2806 Real St, Austin, TX 78722. The listed phone number is (512) 978-8130.
What is Gregory Wittenburg's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gregory Wittenburg enrolled in Medicare?
Yes. Gregory Wittenburg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Gregory Wittenburg accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Gregory Wittenburg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Gregory Wittenburg affiliated with any hospitals?
According to CMS data, Gregory Wittenburg is affiliated with Centura St. Catherine Hospital-Garden City and Centura St. Catherine-Dodge City.
When was this NPI record last updated?
The NPPES record for Gregory Wittenburg was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.