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

BACKER MAHMOUD ABDU, MD (NPI #1306366760)

Internal Medicine, Gastroenterology • SIOUX FALLS, SD • Status: Active Federal Registration

⚙️ JSON API
CMS-1500 Box 24J / 33a • NPI
1306366760
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
1205 S GRANGE AVE, SIOUX FALLS, SD, 57105-0407
✓ 9-Digit EDI 837 ZIP+4 (57105-0407)
Practice Phone & Referral Fax
Direct NPPES Verification Line
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1306366760 (BACKER MAHMOUD ABDU, 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 #1306366760)

Medicare Beneficiaries
262
Total Billed Services
503
Distinct CPT/HCPCS Codes
23
Medicare Allowed Total
$54,685.28

Actual Top Billed CPT / HCPCS Procedures (CMS Part B)

CPT / HCPCSClinical Procedure DescriptionServices
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope18
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope80
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm12
45378 Diagnostic exam of large bowel using a flexible endoscope20
45380 Biopsy of large bowel using a flexible endoscope52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more33
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more13

Actual Top Prescribed Medications (CMS Part D)

Brand / Generic MedicationTotal ClaimsPatients
Azathioprine
Azathioprine
18<11
Budesonide Ec
Budesonide
13<11
Esomeprazole Magnesium
Esomeprazole Magnesium
3011
Famotidine
Famotidine
21<11
Gavilyte-N
Sodium Chloride/Nahco3/Kcl/Peg
2727
Hyoscyamine Sulfate
Hyoscyamine Sulfate
13<11
Linzess
Linaclotide
42<11
Metoclopramide Hcl
Metoclopramide Hcl
11<11

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number1306366760 (NPI-1 Individual Practitioner)
Provider / Legal NameBACKER MAHMOUD ABDU, 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 Address1205 S GRANGE AVE, SIOUX FALLS, SD, 57105-0407
Practice Telephone / FaxTel: (605) 328-8500
Administrative Mailing AddressPO BOX 5074, SIOUX FALLS, SD, 57117-5074
Enumeration & Last SyncEnumerated: 2017-06-26 | CMS Record Updated: 2023-07-26

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

1205 S GRANGE AVE, SIOUX FALLS, SD, 57105-0407

🗺️ Open in Google Maps 🏥 More Providers in SIOUX FALLS

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 (BACKER MAHMOUD ABDU, 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
390200000X — Student in an Organized Health Care Education/Training Program
Plain English: Licensed & Credentialed Student in an Organized Health Care Education/Training Program
State: MI | License: 4301111921 | Primary: Secondary
207RG0100X — Internal Medicine, Gastroenterology
Plain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
State: SD | License: 13980 | Primary: Yes (Primary)
Medical Billing, RCM & Hospital Credentialing Teams:
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