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DR. WILLIAM KEITH GARNTO MD
NPI 1144327958
Internal Medicine - Gastroenterology in Milledgeville, GA

Active since September 20, 2006PECOS Enrolled
163 ROBERSON MILL RD, MILLEDGEVILLE, GA 31061(478) 453-9402(478) 453-1216 Get Directions Write a Review

NPPES record last updated: February 27, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. William Keith Garnto Md NPPES

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

DR. WILLIAM KEITH GARNTO MD (NPI 1144327958) is an individual gastroenterology provider in Milledgeville, Georgia, licensed in Georgia (021396) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144327958
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WILLIAM KEITH GARNTOCredential: MD
Location Address163 ROBERSON MILL RDMilledgeville, GA 31061
Mailing Address163 Roberson Mill RdMilledgeville, GA 31061 · (478) 453-9402 · Fax (478) 453-1216
Phone(478) 453-9402
Fax(478) 453-1216
Sole ProprietorNo
Enumeration DateSeptember 20, 2006
Last NPPES UpdateFebruary 27, 2013
✔ NPI 1144327958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in GA · 021396
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
163 ROBERSON MILL RD, Milledgeville, GA 31061
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Other Identifiers 4

Other52009140Bcbs
OtherFS1021390Tricare
Medicaid000199702AGA
Medicare UPIND29530

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Keith Garnto Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show William Garnto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Phoebe Dorminy Family Care
97 mi
Clinic/Center
110 NORMAN DORMINY DR
Fitzgerald, GA 31750
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Phoebe Physician Group Inc
  • 1,118 clinicians in this Medicare group
NPI 1992084644 (229) 312-5800

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31061 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.10 typical visit price
range $53.31 – $164.04
Typical copayment $31.02 (range $13.32 – $41.01)
Most-billed visit code 99204
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 William Garnto's NPI number?

The NPI number for William Garnto is 1144327958. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is William Garnto located?

William Garnto practices at 163 Roberson Mill Rd, Milledgeville, GA 31061. The listed phone number is (478) 453-9402.

What is William Garnto's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Garnto enrolled in Medicare?

Yes. William Garnto is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Garnto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Garnto reassigns Medicare benefits to Phoebe Dorminy Family Care (Fitzgerald, GA). The 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 William Garnto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Garnto was last updated on February 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.