Dereck J De Leon, MD - Medicare Family Medicine in San Diego, CA

Dereck J De Leon, MD is a medicare enrolled "Family Medicine" physician in San Diego, California. His current practice location is 4647 Zion Ave, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (619) 528-5000.

Dereck J De Leon is licensed to practice in California (license number G69380) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1255489100.

Contact Information

Dereck J De Leon, MD
4647 Zion Ave,
San Diego, CA 92120-2507
(619) 528-5000
Not Available

Map and Direction




Physician's Profile

Full NameDereck J De Leon
GenderMale
SpecialityFamily Medicine
Location4647 Zion Ave, San Diego, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1255489100
  • Provider Enumeration Date: 01/08/2007
  • Last Update Date: 09/23/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 7810176229
  • Enrollment ID: I20190124000817

Medical Identifiers

Medical identifiers for Dereck J De Leon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255489100NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G69380 (California)Primary

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. Dereck J De Leon allows following entities to bill medicare on his behalf.
Entity NameThe Moses H Cone Memorial Hospital Operating Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356372064
PECOS PAC ID: 6204744600
Enrollment ID: O20031124000541

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. Dereck J De Leon 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
Dereck J De Leon, MD
4647 Zion Ave,
San Diego, CA 92120-2507

Ph: (619) 528-5000
Dereck J De Leon, MD
4647 Zion Ave,
San Diego, CA 92120-2507

Ph: (619) 528-5000

Reviews and Comments


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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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