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

DALIA AL-MUDALLAL, M.D. (NPI #1356502116)

Internal Medicine, Gastroenterology • LAGUNA HILLS, CA • Status: Active Federal Registration

⚙️ JSON API
CMS-1500 Box 24J / 33a • NPI
1356502116
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
24411 HEALTH CENTER DR STE 430, LAGUNA HILLS, CA, 92653-3633
✓ 9-Digit EDI 837 ZIP+4 (92653-3633)
Practice Phone & Referral Fax
Fax: (949) 458-1291
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1356502116 (DALIA AL-MUDALLAL, M.D.) 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 #1356502116)

Medicare Beneficiaries
281
Total Billed Services
553
Distinct CPT/HCPCS Codes
14
Medicare Allowed Total
$77,742.48

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

CPT / HCPCSClinical Procedure DescriptionServices
45380 Biopsy of large bowel using a flexible endoscope18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more144
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more247
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk37
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito61

Actual Top Prescribed Medications (CMS Part D)

Brand / Generic MedicationTotal ClaimsPatients
Cholestyramine
Cholestyramine (With Sugar)
15<11
Famotidine
Famotidine
11349
Linzess
Linaclotide
12<11
Omeprazole
Omeprazole
2811
Ondansetron Odt
Ondansetron
11<11
Pantoprazole Sodium
Pantoprazole Sodium
9135

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number1356502116 (NPI-1 Individual Practitioner)
Provider / Legal NameDALIA AL-MUDALLAL, M.D.
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 Address24411 HEALTH CENTER DR STE 430, LAGUNA HILLS, CA, 92653-3633
Practice Telephone / FaxTel: (949) 452-3933 | Fax: (949) 458-1291
Administrative Mailing Address14252 CULVER DR # A338, IRVINE, CA, 92604-0317
Enumeration & Last SyncEnumerated: 2008-06-24 | CMS Record Updated: 2025-10-16

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

24411 HEALTH CENTER DR STE 430, LAGUNA HILLS, CA, 92653-3633

🗺️ Open in Google Maps 🏥 More Providers in LAGUNA HILLS

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 (DALIA AL-MUDALLAL, M.D.)

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
207RG0100X — Internal Medicine, Gastroenterology
Plain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
State: CA | License: A131849 | Primary: Yes (Primary)
207RG0100X — Internal Medicine, Gastroenterology
Plain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
State: VA | License: 0101248509 | Primary: Secondary
207R00000X — Internal Medicine
Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)
State: TN | License: 73892 | Primary: Secondary
207RG0100X — Internal Medicine, Gastroenterology
Plain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
State: AZ | License: 76377 | Primary: Secondary
207R00000X — Internal Medicine
Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)
State: VA | License: 0101248509 | Primary: Secondary
207RG0100X — Internal Medicine, Gastroenterology
Plain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
State: TN | License: 73892 | Primary: Secondary
Medical Billing, RCM & Hospital Credentialing Teams:
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