Matthew Hyun Joon Lee, DO - Medicare Internal Medicine in San Mateo, CA

Matthew Hyun Joon Lee, DO is a medicare enrolled "Internal Medicine - Medical Oncology" physician in San Mateo, California. His current practice location is 218 De Anza Blvd, San Mateo, California. You can reach out to his office (for appointments etc.) via phone at (650) 341-9131.

Matthew Hyun Joon Lee is licensed to practice in California (license number 20A17254) 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 1326589581.

Contact Information

Matthew Hyun Joon Lee, DO
218 De Anza Blvd,
San Mateo, CA 94402-3913
(650) 341-9131
Not Available

Map and Direction




Physician's Profile

Full NameMatthew Hyun Joon Lee
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location218 De Anza Blvd, San Mateo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1326589581
  • Provider Enumeration Date: 03/20/2017
  • Last Update Date: 07/22/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4385185172
  • Enrollment ID: I20240919003454

Medical Identifiers

Medical identifiers for Matthew Hyun Joon Lee such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326589581NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 20A17254 (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. Matthew Hyun Joon Lee allows following entities to bill medicare on his behalf.
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760552343
PECOS PAC ID: 4284547274
Enrollment ID: O20031106000389
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861578973
PECOS PAC ID: 4486567229
Enrollment ID: O20031212000897
Entity NameUcsf Medical Group Business Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477624104
PECOS PAC ID: 3779497870
Enrollment ID: O20040622001513

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. Matthew Hyun Joon 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
Matthew Hyun Joon Lee, DO
4445 Magnolia Ave Riverside Community Hospital, Gme Office,
Riverside, CA 92501

Ph: (404) 788-3000
Matthew Hyun Joon Lee, DO
218 De Anza Blvd,
San Mateo, CA 94402-3913

Ph: (650) 341-9131

Reviews and Comments


Internal Medicine Doctors in San Mateo, CA

Kent Marc-josef Adler, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 218 De Anza Blvd, San Mateo, CA 94402
Phone: 650-341-9131    Fax: 650-341-9135
Stanley Cheung-kit Hui, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 222 W 39th Ave, San Mateo, CA 94403
Phone: 650-573-2222    
Dr. Daniel Rengstorff, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 218 De Anza Blvd, San Mateo, CA 94402
Phone: 650-341-9131    
Lisa Gooze, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 222 W 39th Ave, San Mateo, CA 94403
Phone: 650-573-2222    
Vivian Levy, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 222 W 39th Ave, San Mateo, CA 94403
Phone: 650-573-2222    
Dr. Tina Au,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 222 W 39th Ave, San Mateo, CA 94403
Phone: 650-573-3702    
Julian Hardy Mclain, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 50 S San Mateo Dr, San Mateo, CA 94401
Phone: 650-696-5420    

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.