Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GEORGE STEPHEN GILLIAM M.D.
NPI 1023016912
Specialist in Rockport, IN

Q: What is George Gilliam's NPI number?

The NPI number for George Gilliam is 1023016912. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Q: What is George Gilliam's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for George Gilliam was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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.

Active since July 13, 2005PECOS EnrolledAccepts Medicare Assignment

1276 N PLAZA DR, ROCKPORT, IN 47635(812) 649-2500(812) 492-6498 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. George Stephen Gilliam M.d. NPPES

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

DR. GEORGE STEPHEN GILLIAM M.D. (NPI 1023016912) is an individual specialist in Rockport, Indiana, licensed in Kentucky (22817) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Owensboro Health Regional Hospital, and is a graduate of University Of Louisville School Of Medicine (1982).

NPPES Registry Identity

NPI1023016912

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. GEORGE STEPHEN GILLIAMCredential: M.D.

Location Address1276 N PLAZA DRRockport, IN 47635-9028

Mailing AddressPo Box 3276Evansville, IN 47731-3276 · (812) 473-0181 · Fax (812) 492-6498

Phone(812) 649-2500

Fax(812) 492-6498

Sole ProprietorNo

Medical School CMSUniversity Of Louisville School Of MedicineGraduated 1982

Enumeration DateJuly 13, 2005

Last NPPES UpdateSeptember 9, 2026

NPPES CertifiedSeptember 9, 2026

✔ NPI 1023016912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in KY · 22817

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Also ListedSurgeryTaxonomy 208600000X · License 41068 (KY)

1276 N PLAZA DR, Rockport, IN 47635

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Other Identifiers 4

Medicaid100329260BIN

Medicaid64228174KY

Other000000051542KY · Bs Of Ky

Other611303681KY · Commercial Insurance

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter of Tennessee and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. George Stephen Gilliam M.d. 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 ID2466452461

PECOS Enrollment IDI20080716000364, I20130409000637

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.

Medicare Billing Reassignments

Medicare enrollment records show George Gilliam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

George S Gilliam MD Psc

Same address

Specialist

1276 N PLAZA DR
Rockport, IN 47635

Reassigned Medicare billing, Indiana and Kentucky enrollments

NPI 1891856167 (812) 649-2500

Breckinridge Health, Inc.

23 mi

Rural Health

215 ELM ST
Cloverport, KY 40111

Reassigned Medicare billing, Kentucky enrollment
Also billed through NPI 1831674811 (Kentucky)
33 clinicians in this Medicare group

NPI 1245236900 (270) 788-3000

Trigg County Hospital, Inc

83 mi

Critical Access

254 MAIN ST
Cadiz, KY 42211

Reassigned Medicare billing, Kentucky enrollment
57 clinicians in this Medicare group

NPI 1538218680 (270) 522-3215

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

79 services71 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

54 services54 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

41 services41 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

31 services29 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

31 services31 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

24 services24 patients

Hospital Affiliations CMS Care Compare 3

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

Owensboro Health Regional Hospital

Acute Care Hospitals · Owensboro, KY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180038

Location1201 Pleasant Valley RoadOwensboro, KY 42303 · Daviess County

Emergency services Birthing friendly

Trigg County Hospital

Critical Access Hospitals · Cadiz, KY

OwnershipVoluntary non-profit - Private

CMS Certification Number181304

Location254 Main StreetCadiz, KY 42211 · Trigg County

Emergency services

Breckinridge Memorial Hospital

Critical Access Hospitals · Hardinsburg, KY

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number181319

Location1011 Old Highway 60Hardinsburg, KY 40143 · Breckinridge County

Emergency services

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

APOLLO MEDICAL GROUP LLC

Anesthesiology

1276 N PLAZA DR
ROCKPORT, IN 47635

Spencer County (812) 649-2500

JOSHI HEALTHCARE OF KMC LLC

Anesthesiology

1276 N PLAZA DR
ROCKPORT, IN 47635

Spencer County (812) 649-2500

RIVERVIEW SURGERY CENTER LLC

Clinic/Center (Ambulatory Surgical)

1276 N PLAZA DR
ROCKPORT, IN 47635

Spencer County (812) 649-2500

GEORGE S GILLIAM MD PSC

Specialist

1276 N PLAZA DR
ROCKPORT, IN 47635

Spencer County (812) 649-2500

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 George Gilliam's NPI number?

The NPI number for George Gilliam is 1023016912. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Where is George Gilliam located?

George Gilliam practices at 1276 N Plaza Dr, Rockport, IN 47635. The listed phone number is (812) 649-2500.

What is George Gilliam's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is George Gilliam enrolled in Medicare?

Yes. George Gilliam 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.

Which organizations bill Medicare for George Gilliam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Gilliam reassigns Medicare benefits to 3 organizations: George S Gilliam MD Psc (Rockport, IN), Breckinridge Health, Inc. (Cloverport, KY) and Trigg County Hospital, Inc (Cadiz, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Gilliam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Gilliam accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list George Gilliam 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 George Gilliam affiliated with any hospitals?

According to CMS data, George Gilliam is affiliated with Owensboro Health Regional Hospital, Trigg County Hospital and Breckinridge Memorial Hospital.

When was this NPI record last updated?

The NPPES record for George Gilliam was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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.