Dr Khaldoun A Debian, MD - Medicare Gastroenterology in Tustin, CA

Dr Khaldoun A Debian, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Tustin, California. He graduated from medical school in 1992 and has 32 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Portland Adventist Medical Center and his current practice location is 17400 Irvine Blvd Ste F, Tustin, California. You can reach out to his office (for appointments etc.) via phone at (714) 937-9400.

Dr Khaldoun A Debian is licensed to practice in California (license number A63521) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1932168796.

Contact Information

Dr Khaldoun A Debian, MD
17400 Irvine Blvd Ste F,
Tustin, CA 92780-3030
(714) 937-9400
(714) 937-9404

Map and Direction




Physician's Profile

Full NameDr Khaldoun A Debian
GenderMale
SpecialityGastroenterology
Experience32 Years
Location17400 Irvine Blvd Ste F, Tustin, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Khaldoun A Debian graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1932168796
  • Provider Enumeration Date: 03/21/2006
  • Last Update Date: 01/26/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6103722830
  • Enrollment ID: I20031211000831

Medical Identifiers

Medical identifiers for Dr Khaldoun A Debian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932168796NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A63521 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Joseph HospitalOrange, CAHospital
Adventist Health PortlandPortland, ORHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Khaldoun A Debian allows following entities to bill medicare on his behalf.
Entity NameKhaldoun A Debian Md A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477645380
PECOS PAC ID: 2466454970
Enrollment ID: O20070213000639

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Khaldoun A Debian is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Khaldoun A Debian, MD
17400 Irvine Blvd Ste F,
Tustin, CA 92780-3030

Ph: (714) 937-9400
Dr Khaldoun A Debian, MD
17400 Irvine Blvd Ste F,
Tustin, CA 92780-3030

Ph: (714) 937-9400

Reviews and Comments


Internal Medicine Doctors in Tustin, CA

Dr. Huong T Duong, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 17400 Irvine Blvd, Suite F, Tustin, CA 92780
Phone: 714-838-5610    
Dr. Susan L Ban, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 17400 Irvine Blvd, Suite F, Tustin, CA 92780
Phone: 714-838-5610    
Jeremy Lam, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2492 Walnut Ave Ste 100, Tustin, CA 92780
Phone: 714-709-8000    Fax: 714-709-8080
Dr. Thomas C Hwang, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 17400 Irvine Blvd, Suite F, Tustin, CA 92780
Phone: 714-838-5610    
Dr. James A Grimes, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 17400 Irvine Blvd, Suite F, Tustin, CA 92780
Phone: 714-838-5610    
Dr. Pin-hung Hsieh, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 13522 Newport Ave Ste 102, Tustin, CA 92780
Phone: 714-573-8200    Fax: 714-573-9401
Madonna A Nicolai, CFNP
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 14351 Myford Rd, Suite B, Tustin, CA 92780
Phone: 714-550-9990    Fax: 714-550-1226

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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