✓ Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist) (207RG0100X) ✓ HHS OIG Screened Clear ✓ Medicare PECOS Enrolled 🩺 Entity Type 1 (Individual)

BRENT WILLIAM ACKER, MD (NPI #1407147028)

Internal Medicine, Gastroenterology • SAVANNAH, GA • Status: Active Federal Registration

⚙️ JSON API
CMS-1500 Box 24J / 33a • NPI
1407147028
Type 1 Individual Rendering/Ordering
HIPAA NUCC Taxonomy • CMS Code
207RG0100X (CMS 10)
Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
Box 32 Service Location & ZIP+4
1139 LEXINGTON AVE, SAVANNAH, GA, 31404-5502
✓ 9-Digit EDI 837 ZIP+4 (31404-5502)
Practice Phone & Referral Fax
Fax: (912) 790-2701
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1407147028 (BRENT WILLIAM ACKER, MD) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

Medicare Part B
✓ Eligible
DMEPOS Ordering
✓ Eligible
Home Health (HHA)
✓ Eligible
Power Mobility
✓ Eligible
Hospice Referring
✓ Eligible

Empirical CMS Medicare Claims, CPT Utilization & Part D Prescribing (NPI #1407147028)

Medicare Beneficiaries
323
Total Billed Services
3,824
Distinct CPT/HCPCS Codes
41
Medicare Allowed Total
$149,929.65

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number1407147028 (NPI-1 Individual Practitioner)
Provider / Legal NameBRENT WILLIAM ACKER, MD
Plain-English SpecialtyBoard-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
NUCC Code: 207RG0100X (Internal Medicine, Gastroenterology)
Certifying / Licensing BodyAmerican Board of Internal Medicine — Gastroenterology
Practice Location Address1139 LEXINGTON AVE, SAVANNAH, GA, 31404-5502
Practice Telephone / FaxTel: (912) 303-4200 | Fax: (912) 790-2701
Administrative Mailing Address1139 LEXINGTON AVE, SAVANNAH, GA, 31404-5502
Enumeration & Last SyncEnumerated: 2011-04-30 | CMS Record Updated: 2022-08-17

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

1139 LEXINGTON AVE, SAVANNAH, GA, 31404-5502

🗺️ Open in Google Maps 🏥 More Providers in SAVANNAH

Plain-English Taxonomy & CMS Crosswalk (207RG0100X)

What Does Taxonomy Code 207RG0100X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RG0100X translates to:
"Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 10 (Physician/Gastroenterology) • CMS Code 11 (Physician/Internal Medicine)
Certifying / Accrediting Authority: American Board of Internal Medicine — Gastroenterology
Clinical Scope: Rectal bleeding, hemorrhoids, persistent acid reflux, difficulty swallowing, jaundice (elevated bilirubin), fatty liver disease, or colon cancer screening.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (BRENT WILLIAM ACKER, MD)

Typical CPT / Diagnostic Procedures:
  • Screening & Diagnostic Colonoscopy with Polypectomy (CPT 45378–45385)
  • Esophagogastroduodenoscopy / Upper GI Endoscopy (EGD — CPT 43239)
  • Hepatic Elastography (FibroScan) & Fractionated Bilirubin/LFT Workup
  • Internal Hemorrhoid Banding & Anorectal Diagnostic Evaluation
Common Therapeutic Classes:
  • Proton Pump Inhibitors (Omeprazole, Pantoprazole, Esomeprazole)
  • H. pylori Quadruple & Triple Eradication Regimens
  • Mesalamine & Biologic Immunomodulators (Inflammatory Bowel Disease)
  • Osmotic Laxatives, Rifaximin & Ursodeoxycholic Acid

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English DescriptionState License & Primary Status
207R00000X — Internal Medicine
Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)
State: AL | License: MD.33510 | Primary: Secondary
207R00000X — Internal Medicine
Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)
State: GA | License: 77511 | Primary: Secondary
207RG0100X — Internal Medicine, Gastroenterology
Plain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
State: GA | License: 77511 | Primary: Yes (Primary)
Medical Billing, RCM & Hospital Credentialing Teams:
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