20/20 OPTOMETRIC THOMAS CASAGRANDE, OD
NPI 1801081377
Optometrist in Fresno, CA

Q: What is 20/20 Optometric Thomas Casagrande, Od's specialty?

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

Active since September 07, 2007

5110 N BLACKSTONE AVE, STE 108, FRESNO, CA 93710(559) 221-8900 Get Directions Write a Review

NPPES record last updated: June 21, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About 20/20 Optometric Thomas Casagrande, Od NPPES

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

20/20 OPTOMETRIC THOMAS CASAGRANDE, OD (NPI 1801081377) is a healthcare organization registered as an optometrist in Fresno, California and active in the NPI registry since September 2007. The organization lists Annette Humphreys, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1801081377

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business Name20/20 OPTOMETRIC THOMAS CASAGRANDE, OD

Location Address5110 N BLACKSTONE AVE, STE 108Fresno, CA 93710-6708

Mailing Address5110 N Blackstone Ave, Ste 108Fresno, CA 93710-6708 · (559) 221-8900 · Fax (559) 221-1831

Phone(559) 221-8900

Organization SubpartNo

Authorized OfficialAnnette HumphreysOffice Manager · (559) 221-8900

Enumeration DateSeptember 7, 2007

Last NPPES UpdateJune 21, 2018

✔ NPI 1801081377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

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.

5110 N BLACKSTONE AVE, Fresno, CA 93710

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

20/20 Optometric Thomas Casagrande, Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to 20/20 Optometric Thomas Casagrande, Od, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Thomas Casagrande, OD

Optometry

NPI 1629108600

5110 N BLACKSTONE AVE STE 108
Fresno, CA 93710

(559) 221-8900

✔ PECOSSame address

Jenna Wong, OD

Optometry

NPI 1114548153

5110 N BLACKSTONE AVE
Fresno, CA 93710

(559) 221-8900

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 20/20 Optometric Thomas Casagrande, Od's NPI number?

The NPI number for 20/20 Optometric Thomas Casagrande, Od is 1801081377. It was assigned to this organization in the NPPES registry on September 7, 2007.

Where is 20/20 Optometric Thomas Casagrande, Od located?

20/20 Optometric Thomas Casagrande, Od is located at 5110 N Blackstone Ave Ste 108, Fresno, CA 93710. The listed phone number is (559) 221-8900.

What is 20/20 Optometric Thomas Casagrande, Od's specialty?

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

Is 20/20 Optometric Thomas Casagrande, Od enrolled in Medicare?

Yes. 20/20 Optometric Thomas Casagrande, Od is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through 20/20 Optometric Thomas Casagrande, Od?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to 20/20 Optometric Thomas Casagrande, Od. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for 20/20 Optometric Thomas Casagrande, Od was last updated on June 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.