Stephen W Lum, OD - Medicare Optometrist in National City, CA

Stephen W Lum, OD is a medicare enrolled "Optometrist" provider in National City, California. His current practice location is 1200 Highland Ave, National City, California. You can reach out to his office (for appointments etc.) via phone at (619) 477-9621.

Stephen W Lum is licensed to practice in Washington (license number OD60276564) 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 1538210182.

Contact Information

Stephen W Lum, OD
1200 Highland Ave,
National City, CA 91950
(619) 477-9621
(619) 477-9717

Map and Direction




Healthcare Provider's Profile

Full NameStephen W Lum
GenderMale
SpecialityOptometrist
Location1200 Highland Ave, National City, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538210182
  • Provider Enumeration Date: 01/12/2007
  • Last Update Date: 12/04/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 6608762505
  • Enrollment ID: I20040226000765

Medical Identifiers

Medical identifiers for Stephen W Lum such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538210182NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 12485T (California)Secondary
152W00000XOptometrist OD60276564 (Washington)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. Stephen W Lum allows following entities to bill medicare on his behalf.
Provider NameLum Optometry Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1518339530
PECOS PAC ID: 2264791813
Enrollment ID: O20180105001415

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. Stephen W Lum 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
Stephen W Lum, OD
8940 Flanders Dr,
San Diego, CA 92126-2825

Ph: (619) 655-0313
Stephen W Lum, OD
1200 Highland Ave,
National City, CA 91950

Ph: (619) 477-9621

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).

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.