DR. GAIL J MAY, LTD
NPI 1467658146
Optometrist in Naperville, IL

Q: What is Dr. Gail J May, Ltd's NPI number?

The NPI number for Dr. Gail J May, Ltd is 1467658146. It was assigned to this organization in the NPPES registry on June 21, 2007.

Q: What is Dr. Gail J May, Ltd's specialty?

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

Active since June 21, 2007CLIA 14D1105260 · Waiver

1516 LEGACY CIR, UNIT 102, NAPERVILLE, IL 60563(630) 245-2020(630) 245-2021 Get Directions Write a Review

NPPES record last updated: September 15, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Gail J May, Ltd NPPES

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

DR. GAIL J MAY, LTD (NPI 1467658146) is a healthcare organization registered as an optometrist in Naperville, Illinois and active in the NPI registry since June 2007. The organization holds a CLIA Waiver certificate valid through September 20, 2027 and lists Gail J May, President, as its authorized official.

NPPES Registry Identity

NPI1467658146

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameDR. GAIL J MAY, LTD

Location Address1516 LEGACY CIR, UNIT 102Naperville, IL 60563-1269

Mailing Address1516 Legacy Cir, Unit 102Naperville, IL 60563-1269 · (630) 245-2020 · Fax (630) 245-2021

Phone(630) 245-2020

Fax(630) 245-2021

Organization SubpartNo

Authorized OfficialGail J MayPresident · (630) 245-2020

Enumeration DateJune 21, 2007

Last NPPES UpdateSeptember 15, 2010

✔ NPI 1467658146 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 IL · 0460088621

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.

1516 LEGACY CIR, Naperville, IL 60563

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Other Identifiers 1

Medicare PIN215198IL

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

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gail J May, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr. Gail J May, Ltd, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gail May, O.D.

Optometry

NPI 1477618197

1516 LEGACY CIR UNIT 102
Naperville, IL 60563

(630) 245-2020

✔ PECOS✔ Accepts MedicareSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D1105260

Dr Gail J May · Naperville, IL

Active · expires Sep 20, 2027

CLIA Number14D1105260

Laboratory TypePhysician Office

Certificate Effective DateSeptember 21, 2025

Certificate Expiration DateSeptember 20, 2027

Laboratory DirectorGail J. May

Laboratory Phone(630) 245-2020

Laboratory LocationDr Gail J May1516 Legacy Circle #102, Naperville, IL 60563

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Dr. Gail J May, Ltd's NPI number?

The NPI number for Dr. Gail J May, Ltd is 1467658146. It was assigned to this organization in the NPPES registry on June 21, 2007.

Where is Dr. Gail J May, Ltd located?

Dr. Gail J May, Ltd is located at 1516 Legacy Cir Unit 102, Naperville, IL 60563. The listed phone number is (630) 245-2020.

What is Dr. Gail J May, Ltd's specialty?

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

Is Dr. Gail J May, Ltd enrolled in Medicare?

Yes. Dr. Gail J May, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr. Gail J May, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Dr. Gail J May, Ltd. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Dr. Gail J May, Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1105260) is associated with this NPI, valid through September 20, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Dr. Gail J May, Ltd accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Dr. Gail J May, Ltd 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 Dr. Gail J May, Ltd was last updated on September 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.