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DR. CORY GENE PRESTON OD
NPI 1679533681
Optometrist in Sunnvyale, CA

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
323 MATHILDA AVE, SUNNVYALE, CA 94085(408) 524-5900 Get Directions Write a Review

NPPES record last updated: September 14, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Cory Gene Preston Od NPPES

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

DR. CORY GENE PRESTON OD (NPI 1679533681) is an individual optometrist in Sunnvyale, California, licensed in California (OPT11523) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (2000).

NPPES Registry Identity

NPI1679533681
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. CORY GENE PRESTONCredential: OD
Location Address323 MATHILDA AVESunnvyale, CA 94085-4207
Mailing Address2350 W. El Camino Real, 2nd FloorMountain View, CA 94040-6203
Phone(408) 524-5900
Sole ProprietorNo
Medical School CMSNew England College Of OptometryGraduated 2000
Enumeration DateMarch 24, 2006
Last NPPES UpdateSeptember 14, 2016
✔ NPI 1679533681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in CA · OPT11523✔ Licensed in NY · TUV006337-1
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.
323 MATHILDA AVE, Sunnvyale, CA 94085
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Other Identifiers 1

Medicare ID-Type UnspecifiedC230B1NY

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 and accepts Medicare assignment

Dr. Cory Gene Preston Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618030388
PECOS Enrollment IDI20131118001031
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94085 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

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 Cory Preston's NPI number?

The NPI number for Cory Preston is 1679533681. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Cory Preston located?

Cory Preston practices at 323 Mathilda Ave, Sunnvyale, CA 94085. The listed phone number is (408) 524-5900.

What is Cory Preston's specialty?

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

Is Cory Preston enrolled in Medicare?

Yes. Cory Preston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Cory Preston 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 and Blue Cross and Blue Shield of Texas list Cory Preston 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 Cory Preston was last updated on September 14, 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.