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M & W OPTOMETRY, PLLC
NPI 1821883844
Optometrist in Stony Brook, NY

Active since April 10, 2025
1239 N COUNTRY RD STE 3, STONY BROOK, NY 11790(516) 376-4161 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 11, 2025, Nov 7, 2025, Apr 10, 2025 (3 updates tracked since 2025).

About M & W Optometry, Pllc NPPES

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

M & W OPTOMETRY, PLLC (NPI 1821883844) is a healthcare organization registered as an optometrist in Stony Brook, New York and active in the NPI registry since April 2025. The organization lists Cynthia J Wiener, Partner, as its authorized official.

NPPES Registry Identity

NPI1821883844
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameM & W OPTOMETRY, PLLC
Location Address1239 N COUNTRY RD STE 3Stony Brook, NY 11790-1920
Mailing Address1239 N Country Rd Ste 3Stony Brook, NY 11790-1920 · (631) 706-0004 · Fax (631) 343-5594
Phone(516) 376-4161
Organization SubpartNo
Authorized OfficialCynthia J WienerPartner · (631) 706-0004
Enumeration DateApril 10, 2025
Last NPPES UpdateNovember 11, 20253 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1821883844 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.
1239 N COUNTRY RD STE 3, Stony Brook, NY 11790
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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, BlueCross BlueShield of Tennessee, Oscar Health.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)

M & W Optometry, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to M & W Optometry, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Monika Murawska, O.D.
Optometry
NPI 1891950143
1239 N COUNTRY RD STE 3
Stony Brook, NY 11790
(631) 706-0004
✔ PECOS✔ Accepts MedicareSame address
Cynthia Wiener, O.D.
Optometry
NPI 1063896926
1239 N COUNTRY RD STE 3
Stony Brook, NY 11790
(631) 706-0004
✔ 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.

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 M & W Optometry, PLLC's NPI number?

The NPI number for M & W Optometry, PLLC is 1821883844. It was assigned to this organization in the NPPES registry on April 10, 2025.

Where is M & W Optometry, PLLC located?

M & W Optometry, PLLC is located at 1239 N Country Rd Ste 3, Stony Brook, NY 11790. The listed phone number is (516) 376-4161.

What is M & W Optometry, PLLC's specialty?

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

Is M & W Optometry, PLLC enrolled in Medicare?

Yes. M & W Optometry, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through M & W Optometry, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to M & W Optometry, PLLC. 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.

What insurance does M & W Optometry, PLLC accept?

Health plans from Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee and Oscar Health list M & W Optometry, PLLC 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 M & W Optometry, PLLC was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.