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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. AUSTIN MARK BUETTNER PA-C
NPI 1255133468
Physician Assistant - Medical in Evansville, IN

Active since March 26, 2025PECOS Enrolled
520 MARY ST STE 520, EVANSVILLE, IN 47710(812) 424-8231(812) 435-8794 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 24, 2026, Aug 13, 2025, Jul 8, 2025 and 3 more (6 updates tracked since 2025).

About Mr. Austin Mark Buettner Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. AUSTIN MARK BUETTNER PA-C (NPI 1255133468) is an individual medical provider in Evansville, Indiana, licensed in Indiana (10004888A) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS, is affiliated with Deaconess Hospital Inc, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1255133468
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameMR. AUSTIN MARK BUETTNERCredential: PA-C
Location Address520 MARY ST STE 520Evansville, IN 47710-1682
Mailing Address520 Mary St Ste 520Evansville, IN 47710-1682 · (812) 424-8231 · Fax (812) 435-8794
Phone(812) 424-8231
Fax(812) 435-8794
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 26, 2025
Last NPPES UpdateJuly 24, 20266 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1255133468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in IN · 10004888A
520 MARY ST STE 520, Evansville, IN 47710
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1801 Saint Marys Dr Ste 200EEvansville, IN 47714-0518 · Phone (812) 424-8231 · Fax (812) 435-8794
Location 24133 Gateway Blvd Ste 290Newburgh, IN 47630-7918 · Phone (812) 424-8231 · Fax (812) 435-8794

Other Identifiers 4

Other1235857IN · Board Certification Id
Other10004888AIN · State License
Medicaid300116929IN
Medicaid7101072740KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Mr. Austin Mark Buettner Pa-c 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.

PECOS PAC ID2163938556
PECOS Enrollment IDI20250722004159
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Deaconess Hospital Inc

Acute Care Hospitals · Evansville, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150082
Location600 Mary StEvansville, IN 47710 · Vanderburgh County
Emergency services

Ascension St Vincent Evansville

Acute Care Hospitals · Evansville, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150100
Location3700 Washington AveEvansville, IN 47750 · Vanderburgh County
Emergency services Birthing friendly

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.

MS. EMILY L SEGER PA-C
Physician Assistant (Medical)
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
DR. MATTHEW CHRISTOPHER BYRNES MD
Surgery (Surgical Critical Care)
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
DR. SAMIR K. GUPTA M.D.
Surgery
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
DR. ANTHONY DAVID KAISER M.D.
Surgery
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
MRS. RACHEL N BERTRAM FNP
Nurse Practitioner (Family)
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
MRS. JENNIFER L HAGAN CST
Specialist/Technologist, Other (Surgical Assistant)
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
MR. JOSHUA CHRISTIAN BARAJAS PA-C
Physician Assistant (Medical)
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231
DR. BRIAN W SCHYMIK M.D.
Surgery
520 MARY ST STE 520
EVANSVILLE, IN 47710
Vanderburgh County (812) 424-8231

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 Austin Buettner's NPI number?

The NPI number for Austin Buettner is 1255133468. It was assigned to this individual provider in the NPPES registry on March 26, 2025.

Where is Austin Buettner located?

Austin Buettner practices at 520 Mary St Ste 520, Evansville, IN 47710. The listed phone number is (812) 424-8231.

What is Austin Buettner's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Austin Buettner enrolled in Medicare?

Yes. Austin Buettner 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 Austin Buettner accept?

Health plans from CareSource list Austin Buettner 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 Austin Buettner affiliated with any hospitals?

According to CMS data, Austin Buettner is affiliated with Deaconess Hospital Inc and Ascension St Vincent Evansville.

When was this NPI record last updated?

The NPPES record for Austin Buettner was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.