Ahmad Shaban, MD
NPI 1154413102 · Gastroenterology Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ahmad Shaban, MD is a Gastroenterology Physician provider in Mission Viejo, CA (NPI 1154413102).
Provider details
- NPI number
- 1154413102
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A32547 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
257 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 110 | $91 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 34 | $112 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 22 | $179 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 22 | $239 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 20 | $100 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Esomeprazole Magnesium | 52 | 25 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 50 | 50 |
| Omeprazole | 44 | 18 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 41 | 15 |
| Pantoprazole Sodium | 32 | 13 |
| Linaclotidebrand: Linzess | 12 | — |
| Mesalamine | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$409 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2018-08-30
Frequently asked questions
- What is Ahmad Shaban's NPI number?
- Ahmad Shaban's National Provider Identifier (NPI) is 1154413102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ahmad Shaban's specialty?
- Ahmad Shaban is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ahmad Shaban located?
- Ahmad Shaban's practice location on file with NPPES is 26732 Crown Valley Pkwy Ste 241, Mission Viejo, CA 92691.
- What is Ahmad Shaban's phone number?
- The practice phone number listed in the NPPES registry for Ahmad Shaban is (949) 364-2611.
- Does Ahmad Shaban accept Medicare?
- Ahmad Shaban is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ahmad Shaban's NPI active?
- Yes — Ahmad Shaban's NPI (1154413102) is active in the NPPES registry as of the last update on 2018-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.