Esther Lan, OD - Medicare Optometrist in Norwalk, CA

Esther Lan, OD is a medicare enrolled "Optometrist" provider in Norwalk, California. Her current practice location is 13800 San Antonio Dr, Norwalk, California. You can reach out to her office (for appointments etc.) via phone at (562) 864-6535.

Esther Lan is licensed to practice in California (license number 13977) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1275845117.

Contact Information

Esther Lan, OD
13800 San Antonio Dr,
Norwalk, CA 90650
(562) 864-6535
(562) 864-6538

Map and Direction




Healthcare Provider's Profile

Full NameEsther Lan
GenderFemale
SpecialityOptometrist
Location13800 San Antonio Dr, Norwalk, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1275845117
  • Provider Enumeration Date: 07/08/2010
  • Last Update Date: 09/13/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8729314646
  • Enrollment ID: I20190730001553

Medical Identifiers

Medical identifiers for Esther Lan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275845117NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 13977 (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. Esther Lan allows following entities to bill medicare on her behalf.
Provider NameCorona Valley Optometry Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1295993103
PECOS PAC ID: 5799914040
Enrollment ID: O20140206001522
Provider NameChino Hills Optometry Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1144488032
PECOS PAC ID: 9830448745
Enrollment ID: O20180824002112

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. Esther Lan 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
Esther Lan, OD
13800 San Antonio Dr,
Norwalk, CA 90650-4033

Ph: (562) 864-6535
Esther Lan, OD
13800 San Antonio Dr,
Norwalk, CA 90650

Ph: (562) 864-6535

Reviews and Comments


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Dr. Paul Smith Crismon, O. D.
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Practice Location: 13800 San Antonio Dr, Norwalk, CA 90650
Phone: 562-864-6535    Fax: 562-864-6538

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.