Khaldoun Debian, M.D.
NPI 1932168796 · Gastroenterology Physician · Tustin, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khaldoun Debian, M.D. is a Gastroenterology Physician provider in Tustin, CA (NPI 1932168796).
Provider details
- NPI number
- 1932168796
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A63521 (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
20 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
278 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 43 | $38 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $98 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 39 | $89 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 39 | $120 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 28 | $253 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 201 | 56 |
| Pantoprazole Sodium | 177 | 59 |
| Omeprazole | 114 | 39 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 83 | 83 |
| Metoclopramide Hcl | 66 | 19 |
| Dicyclomine Hcl | 47 | 11 |
| Mesalamine | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,010 across 53 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
- 2006-03-21
- Last updated
- 2022-01-26
- Certified
- 2022-01-26
Frequently asked questions
- What is Khaldoun Debian's NPI number?
- Khaldoun Debian's National Provider Identifier (NPI) is 1932168796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khaldoun Debian's specialty?
- Khaldoun Debian is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Khaldoun Debian located?
- Khaldoun Debian's practice location on file with NPPES is 17400 Irvine Blvd Ste F, Tustin, CA 92780-3030.
- What is Khaldoun Debian's phone number?
- The practice phone number listed in the NPPES registry for Khaldoun Debian is (714) 937-9400.
- Does Khaldoun Debian accept Medicare?
- Khaldoun Debian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khaldoun Debian's NPI active?
- Yes — Khaldoun Debian's NPI (1932168796) is active in the NPPES registry as of the last update on 2022-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.