Clarissa Sin, OD - Medicare Optometrist in San Mateo, CA

Clarissa Sin, OD is a medicare enrolled "Optometrist" provider in San Mateo, California. She went to State University Of New York - State College Optometry and graduated in 2009 and has 15 years of diverse experience with area of expertise as Optometry. She is a member of the group practice Fremont Optometric Group and her current practice location is 117 N San Mateo Dr, Suite 2, San Mateo, California. You can reach out to her office (for appointments etc.) via phone at (650) 344-2555.

Clarissa Sin is licensed to practice in California (license number 13768) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1619106903.

Contact Information

Clarissa Sin, OD
117 N San Mateo Dr, Suite 2,
San Mateo, CA 94401-2708
(650) 344-2555
(650) 344-1702

Map and Direction




Healthcare Provider's Profile

Full NameClarissa Sin
GenderFemale
SpecialityOptometry
Experience15 Years
Location117 N San Mateo Dr, San Mateo, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Clarissa Sin attended and graduated from State University Of New York - State College Optometry in 2009
  NPI Data:
  • NPI Number: 1619106903
  • Provider Enumeration Date: 07/07/2009
  • Last Update Date: 12/28/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 7214114065
  • Enrollment ID: I20110606000175

Medical Identifiers

Medical identifiers for Clarissa Sin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619106903NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 13768 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Fremont Optometric Group96381183425

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. Clarissa Sin allows following entities to bill medicare on her behalf.
Provider NameFremont Optometric Group
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1619991080
PECOS PAC ID: 9638118342
Enrollment ID: O20050502000533

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. Clarissa Sin 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
Clarissa Sin, OD
2918 Sorrento Way, Suite 2,
Union City, CA 94587-1532

Ph: (510) 475-0778
Clarissa Sin, OD
117 N San Mateo Dr, Suite 2,
San Mateo, CA 94401-2708

Ph: (650) 344-2555

Reviews and Comments


Optometrist in San Mateo, CA

Eyeworks Of San Mateo
Optometrist
Medicare: Medicare Enrolled
Practice Location: 214 S B St, San Mateo, CA 94401
Phone: 650-343-2080    Fax: 650-343-2049
Drs In Optometry
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 117 N San Mateo Dr, Suite 2, San Mateo, CA 94401
Phone: 650-344-2555    
Dr. Karen S Collom, OD
Optometrist
Medicare: Accepting Medicare Assignments
Practice Location: 3162 Campus Dr, San Mateo, CA 94403
Phone: 650-345-0248    Fax: 650-345-7313
Dr. Rosemary Buduan, O.D.
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 152 N San Mateo Dr, San Mateo, CA 94401
Phone: 650-344-2555    
20-20 Optometry Inc
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 115 W 25th Ave, San Mateo, CA 94403
Phone: 650-349-5733    
Dr. Christopher Low, O.D.
Optometrist
Medicare: Medicare Enrolled
Practice Location: 117 N San Mateo Dr Ste 2, San Mateo, CA 94401
Phone: 650-344-2555    Fax: 650-344-1702
Linda Quon, OD
Optometrist
Medicare: Medicare Enrolled
Practice Location: 50 S San Mateo Dr, Suite 200, San Mateo, CA 94401
Phone: 650-342-4595    

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.