DAVID LY OD
NPI 1578828265
Optometrist in Phoenix, AZ

Q: What is David Ly's NPI number?

The NPI number for David Ly is 1578828265. It was assigned to this individual provider in the NPPES registry on July 9, 2012.

Q: What is David Ly's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Ly was last updated on July 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since July 09, 2012PECOS Enrolled

7611 W THOMAS RD, PHOENIX, AZ 85033(623) 873-1098(623) 849-9459 Get Directions Write a Review

NPPES record last updated: July 9, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About David Ly Od NPPES

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

DAVID LY OD (NPI 1578828265) is an individual optometrist in Phoenix, Arizona, licensed in Arizona (1861) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578828265

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDAVID LYCredential: OD

Location Address7611 W THOMAS RDPhoenix, AZ 85033-5439

Mailing Address14405 W Colfax Ave, #310Lakewood, CO 80401-3247 · (303) 215-0376 · Fax (303) 302-6906

Phone(623) 873-1098

Fax(623) 849-9459

Sole ProprietorNo

Enumeration DateJuly 9, 2012

✔ NPI 1578828265 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 AZ · 1861

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.

7611 W THOMAS RD, Phoenix, AZ 85033

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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 Blue Shield of Wyoming, Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Ly Od 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.

Medicare Billing Reassignment

Medicare enrollment records show David Ly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tom Sowash Od & Associates PC

22 mi

Optometrist

3431 W FRYE RD STE 1
Chandler, AZ 85226

Reassigned Medicare billing, Arizona enrollment
52 clinicians in this Medicare group

NPI 1174627202 (480) 782-9658

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 85033 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

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 6

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

VISIONWORKS INC

Eyewear Supplier

7611 W THOMAS RD, STE B-018
PHOENIX, AZ 85033

Maricopa County (623) 873-2511

TOM SOWASH OD & ASSOCIATES, PC

Optometrist

7611 W THOMAS RD, STE. B-018
PHOENIX, AZ 85033

Maricopa County (623) 873-2511

JOHN F DAHU OD

Optometrist

7611 W THOMAS RD, SUITE B 018
PHOENIX, AZ 85033

Maricopa County (623) 873-2511

BRIAN L. FARQUHAR O.D.,P.C.

Clinic/Center (Medical Specialty)

7611 W THOMAS RD
PHOENIX, AZ 85033

Maricopa County (623) 849-7984

TOM SOWASH OD & ASSOCIATES PC

Eyewear Supplier

7611 W THOMAS RD
PHOENIX, AZ 85033

Maricopa County (623) 873-2511

HOLLYWOOD ORTHODONTICS

Dentist (Orthodontics and Dentofacial Orthopedics)

7611 W THOMAS RD, SUITE E002
PHOENIX, AZ 85033

Maricopa County (480) 636-9970

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 David Ly's NPI number?

The NPI number for David Ly is 1578828265. It was assigned to this individual provider in the NPPES registry on July 9, 2012.

Where is David Ly located?

David Ly practices at 7611 W Thomas Rd, Phoenix, AZ 85033. The listed phone number is (623) 873-1098.

What is David Ly's specialty?

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

Is David Ly enrolled in Medicare?

Yes. David Ly is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Ly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Ly reassigns Medicare benefits to Tom Sowash Od & Associates PC (Chandler, AZ). The 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 David Ly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Ly accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Oscar Health Plan, Inc. list David Ly 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 David Ly was last updated on July 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.