ACK EYE, PC
NPI 1952571812
Optometrist in Nantucket, MA

Q: What is Ack Eye, PC's NPI number?

The NPI number for Ack Eye, PC is 1952571812. It was assigned to this organization in the NPPES registry on March 6, 2008.

Q: What is Ack Eye, PC'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 Ack Eye, PC was last updated on March 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 March 06, 2008CLIA 22D2332180 · Waiver

13 OLD SOUTH RD, NANTUCKET, MA 02554(508) 228-0844(508) 228-0491 Get Directions Write a Review

NPPES record last updated: March 31, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ack Eye, Pc NPPES

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

ACK EYE, PC (NPI 1952571812) is a healthcare organization registered as an optometrist in Nantucket, Massachusetts and active in the NPI registry since March 2008. The organization holds a CLIA Waiver certificate valid through October 14, 2027 and lists Michael J Ruby, Owner, as its authorized official.

NPPES Registry Identity

NPI1952571812

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameACK EYE, PC

Location Address13 OLD SOUTH RDNantucket, MA 02554-6065

Mailing Address13 Old South RdNantucket, MA 02554-6065 · (508) 228-0844 · Fax (508) 228-0491

Phone(508) 228-0844

Fax(508) 228-0491

Organization SubpartNo

Authorized OfficialMichael J RubyOwner · (508) 228-0844

Enumeration DateMarch 6, 2008

Last NPPES UpdateMarch 31, 2020

NPPES CertifiedMarch 31, 2020

✔ NPI 1952571812 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 MA · OP-3832-TP

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.

13 OLD SOUTH RD, Nantucket, MA 02554

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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)

Ack Eye, Pc 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 Ack Eye, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Michael Ruby, O.D.

Optometry

NPI 1073737193

13 OLD SOUTH ROAD
Nantucket, MA 02554

(508) 228-0844

✔ 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 22D2332180

Ack Eye · Nantucket, MA

Active · expires Oct 14, 2027

CLIA Number22D2332180

Laboratory TypePhysician Office

Certificate Effective DateOctober 15, 2025

Certificate Expiration DateOctober 14, 2027

Laboratory DirectorMichael J. Ruby

Laboratory Phone(508) 228-0844

Laboratory LocationAck Eye13 Old South Rd, Nantucket, MA 02554

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 Ack Eye, PC's NPI number?

The NPI number for Ack Eye, PC is 1952571812. It was assigned to this organization in the NPPES registry on March 6, 2008.

Where is Ack Eye, PC located?

Ack Eye, PC is located at 13 Old South Rd, Nantucket, MA 02554. The listed phone number is (508) 228-0844.

What is Ack Eye, PC's specialty?

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

Is Ack Eye, PC enrolled in Medicare?

Yes. Ack Eye, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ack Eye, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Ack Eye, PC. 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 Ack Eye, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D2332180) is associated with this NPI, valid through October 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Ack Eye, PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Ack Eye, PC 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 Ack Eye, PC was last updated on March 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.