DR. BILLY GALES MENDOZA O.D.
NPI 1578874236
Optometrist in Reno, NV

Active since June 28, 2010PECOS EnrolledAccepts Medicare Assignment
501 KEYSTONE AVE, RENO, NV 89503(775) 322-3777(775) 376-1116 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 25, 2025, Oct 16, 2023, Feb 2, 2023 (3 updates tracked since 2023).

About Dr. Billy Gales Mendoza O.d. NPPES

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

DR. BILLY GALES MENDOZA O.D. (NPI 1578874236) is an individual optometrist in Reno, Nevada, licensed in Nevada (671) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Winnemucca, and is a graduate of Southern California College Of Optometry (2010).

NPPES Registry Identity

NPI1578874236
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. BILLY GALES MENDOZACredential: O.D.
Location Address501 KEYSTONE AVEReno, NV 89503-4304
Mailing AddressPo Box 34032Reno, NV 89533-4032 · (775) 322-3777 · Fax (775) 376-1116
Fax(775) 376-1116
Sole ProprietorYes
Medical School CMSSouthern California College Of OptometryGraduated 2010
Enumeration DateJune 28, 2010
Last NPPES UpdateFebruary 25, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2025
✔ NPI 1578874236 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 NV · 671
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.
501 KEYSTONE AVE, Reno, NV 89503

Secondary Practice Location 1

Location 11050 Hanson StWinnemucca, NV 89445-2774 · Phone (775) 625-3937 · Fax (775) 625-3938

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Billy Gales Mendoza O.d. 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 ID8527256171
PECOS Enrollment IDI20101222001026
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Billy Mendoza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optometrist
501 KEYSTONE AVE
Reno, NV 89503
  • Reassigned Medicare billing, Nevada enrollment
  • 3 clinicians in this Medicare group
Optometrist
1050 HANSON ST
Winnemucca, NV 89445
  • Reassigned Medicare billing, Nevada enrollment
  • 4 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89503 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
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

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

Optometrist
501 KEYSTONE AVE
RENO, NV 89503

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 Billy Mendoza's NPI number?

The NPI number for Billy Mendoza is 1578874236. It was assigned to this individual provider in the NPPES registry on June 28, 2010.

Where is Billy Mendoza located?

Billy Mendoza practices at 501 Keystone Ave, Reno, NV 89503. The listed phone number is (775) 322-3777.

What is Billy Mendoza's specialty?

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

Is Billy Mendoza enrolled in Medicare?

Yes. Billy Mendoza 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.

Which organizations bill Medicare for Billy Mendoza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Billy Mendoza reassigns Medicare benefits to 2 organizations: Doctor Goldeneye LLC (Reno, NV) and Amy E Sullivan LLC (Winnemucca, NV). Each 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 Billy Mendoza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Billy Mendoza accept?

Health plans from Anthem Blue Cross and Blue Shield, 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 Billy Mendoza 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 Billy Mendoza was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.