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CLARISSA SIN O.D.
NPI 1619106903
Optometrist in San Mateo, CA

Active since July 07, 2009PECOS Enrolled
117 N SAN MATEO DR, SUITE 2, SAN MATEO, CA 94401(650) 344-2555(650) 344-1702 Get Directions Write a Review

NPPES record last updated: December 28, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Clarissa Sin O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLARISSA SIN O.D. (NPI 1619106903) is an individual optometrist in San Mateo, California, licensed in California (13768) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619106903
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameCLARISSA SINCredential: O.D.
Location Address117 N SAN MATEO DR, SUITE 2San Mateo, CA 94401-2708
Mailing Address2918 Sorrento Way, Suite 2Union City, CA 94587-1532 · (510) 475-0778
Phone(650) 344-2555
Fax(650) 344-1702
Sole ProprietorYes
Enumeration DateJuly 7, 2009
Last NPPES UpdateDecember 28, 2016
✔ NPI 1619106903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 13768
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
117 N SAN MATEO DR, San Mateo, CA 94401
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Clarissa Sin O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
32 services31 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CLARISSA SIN OD, INC
Optometrist
117 N SAN MATEO DR, SUITE 2
SAN MATEO, CA 94401
San Mateo County (650) 344-2555
RICHARD HOM OD
Optometrist
117 N SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 344-2555
HEALTHRIGHT 360
Clinic/Center (Community Health)
117 N SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (415) 762-3700
LILLY CHAVEZ NP
Family Medicine
117 N SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 425-9408
ANABELLA M PUENTES O.D.
Optometrist
117 N SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (510) 375-3433

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clarissa Sin's NPI number?

The NPI number for Clarissa Sin is 1619106903. It was assigned to this individual provider in the NPPES registry on July 7, 2009.

Where is Clarissa Sin located?

Clarissa Sin practices at 117 N San Mateo Dr Suite 2, San Mateo, CA 94401. The listed phone number is (650) 344-2555.

What is Clarissa Sin's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Clarissa Sin enrolled in Medicare?

Yes. Clarissa Sin is registered in the Medicare PECOS enrollment system.

What insurance does Clarissa Sin accept?

Health plans from Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Clarissa Sin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Clarissa Sin was last updated on December 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.