Dr Joseph D Chun, MD - Medicare Internal Medicine in Buena Park, CA

Dr Joseph D Chun, MD is a medicare enrolled "Allergy & Immunology" physician in Buena Park, California. He went to University Of California, Geffen School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Healthcare Partners Affiliates Medical Group and his current practice location is 6261 Stanton Ave, Buena Park, California. You can reach out to his office (for appointments etc.) via phone at (714) 739-4325.

Dr Joseph D Chun is licensed to practice in California (license number G61950) 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 1710015425.

Contact Information

Dr Joseph D Chun, MD
6261 Stanton Ave,
Buena Park, CA 90621-2436
(714) 739-4325
(714) 452-1679

Map and Direction




Physician's Profile

Full NameDr Joseph D Chun
GenderMale
SpecialityInternal Medicine
Experience40 Years
Location6261 Stanton Ave, Buena Park, 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 Joseph D Chun attended and graduated from University Of California, Geffen School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1710015425
  • Provider Enumeration Date: 03/02/2007
  • Last Update Date: 12/28/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 1355331935
  • Enrollment ID: I20110615000398

Medical Identifiers

Medical identifiers for Dr Joseph D Chun such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710015425NPI-NPPES
GR00088840MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology G61950 (California)Primary
207R00000XInternal Medicine G61950 (California)Secondary
208000000XPediatrics G61950 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Jude Medical CenterFullerton, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Healthcare Partners Affiliates Medical Group7315842002645

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 Joseph D Chun allows following entities to bill medicare on his behalf.
Entity NameHealthcare Partners Affiliates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659312593
PECOS PAC ID: 7315842002
Enrollment ID: O20031204001258

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 Joseph D Chun 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 Joseph D Chun, MD
6261 Stanton Ave,
Buena Park, CA 90621-2436

Ph: (714) 739-4325
Dr Joseph D Chun, MD
6261 Stanton Ave,
Buena Park, CA 90621-2436

Ph: (714) 739-4325

Reviews and Comments


Allergy & Immunology Doctors in Buena Park, CA


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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.