John Kwanghyuk Lee, MD - Medicare Internal Medicine in Fullerton, CA

John Kwanghyuk Lee, MD is a medicare enrolled "Internal Medicine" physician in Fullerton, California. He graduated from medical school in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 400 N. Euclid St, Fullerton, California. You can reach out to his office (for appointments etc.) via phone at (626) 964-3326.

John Kwanghyuk Lee is licensed to practice in California (license number A66137) 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 1598721284.

Contact Information

John Kwanghyuk Lee, MD
400 N. Euclid St,
Fullerton, CA 91748-1625
(626) 964-3326
(626) 964-3346

Map and Direction




Physician's Profile

Full NameJohn Kwanghyuk Lee
GenderMale
SpecialityInternal Medicine
Experience34 Years
Location400 N. Euclid St, Fullerton, 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:
  • John Kwanghyuk Lee graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1598721284
  • Provider Enumeration Date: 04/22/2006
  • Last Update Date: 10/29/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 8628058542
  • Enrollment ID: I20040721001742

Medical Identifiers

Medical identifiers for John Kwanghyuk Lee such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598721284NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A66137 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Jude Medical CenterFullerton, CAHospital

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. John Kwanghyuk Lee allows following entities to bill medicare on his behalf.
Entity NameJohn K Lee Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619028131
PECOS PAC ID: 8527163948
Enrollment ID: O20070413000225

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. John Kwanghyuk Lee 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
John Kwanghyuk Lee, MD
400 N Euclid St,
Fullerton, CA 92832-1625

Ph: (626) 964-3326
John Kwanghyuk Lee, MD
400 N. Euclid St,
Fullerton, CA 91748-1625

Ph: (626) 964-3326

Reviews and Comments


Internal Medicine Doctors in Fullerton, CA

Kiho Woo, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 E. Valencia Dr., Fullerton, CA 92835
Phone: 714-449-4800    Fax: 714-578-8629
Kumkum Sarkar Patel, M.D., MPH
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1837 Sunny Crest Dr, Fullerton, CA 92835
Phone: 714-446-5831    
Pius J. Kim, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 E Valencia Mesa Dr, Fullerton, CA 92835
Phone: 714-447-5027    
Steven Woong Kim, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2151 N Harbor Blvd Ste 3200, Fullerton, CA 92835
Phone: 714-446-5900    Fax: 714-446-5800
Yung Lyou, M.D., PH.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2151 N Harbor Blvd Ste 3200, Fullerton, CA 92835
Phone: 714-446-5900    
Eugene Boston,
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2720 N Harbor Blvd, Suite 100, Fullerton, CA 92835
Phone: 714-449-6990    
Saadah Alrajab, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2501 E Chapman Ave Ste 225, Fullerton, CA 92831
Phone: 714-481-0172    Fax: 562-445-4140

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.