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RHEUMATOLOGY WELLNESS CARE OF WNY, PLLC
NPI 1992161582
Clinic/Center - Medical Specialty in Cheektowaga, NY

Active since January 12, 2016
20 LOSSON RD, SUITE 100, CHEEKTOWAGA, NY 14227(716) 898-0755(716) 898-0775 Get Directions Write a Review

NPPES record last updated: February 17, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 17, 2016, Jan 14, 2016 (2 updates tracked since 2016).

About Rheumatology Wellness Care Of Wny, Pllc NPPES

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

RHEUMATOLOGY WELLNESS CARE OF WNY, PLLC (NPI 1992161582) is a healthcare organization registered as a medical specialty in Cheektowaga, New York and active in the NPI registry since January 2016. The organization lists Mary Margaret O'neil, Owner, as its authorized official.

NPPES Registry Identity

NPI1992161582
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameRHEUMATOLOGY WELLNESS CARE OF WNY, PLLC
Location Address20 LOSSON RD, SUITE 100Cheektowaga, NY 14227-2394
Mailing Address20 Losson Rd, Suite 100Cheektowaga, NY 14227-2394 · (716) 898-0755 · Fax (716) 898-0775
Phone(716) 898-0755
Fax(716) 898-0775
Organization SubpartNo
Authorized OfficialMary Margaret O'neilOwner · (716) 898-0755
Enumeration DateJanuary 12, 2016
Last NPPES UpdateFebruary 17, 20162 updates tracked since enumeration
✔ NPI 1992161582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in NY · A188049-1
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
20 LOSSON RD, Cheektowaga, NY 14227
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Other Identifiers 2

Medicaid01885107NY
Medicare UPINBB2046NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rheumatology Wellness Care Of Wny, Pllc 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 Rheumatology Wellness Care Of Wny, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mary O'neil, MD
Rheumatology
NPI 1598790818
2355 UNION RD STE 100
Cheektowaga, NY 14227
(716) 898-0755
✔ PECOS✔ Accepts Medicare0.5 mi

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 Rheumatology Wellness Care Of Wny, PLLC's NPI number?

The NPI number for Rheumatology Wellness Care Of Wny, PLLC is 1992161582. It was assigned to this organization in the NPPES registry on January 12, 2016.

Where is Rheumatology Wellness Care Of Wny, PLLC located?

Rheumatology Wellness Care Of Wny, PLLC is located at 20 Losson Rd Suite 100, Cheektowaga, NY 14227. The listed phone number is (716) 898-0755.

What is Rheumatology Wellness Care Of Wny, PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Rheumatology Wellness Care Of Wny, PLLC enrolled in Medicare?

Yes. Rheumatology Wellness Care Of Wny, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rheumatology Wellness Care Of Wny, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to Rheumatology Wellness Care Of Wny, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Rheumatology Wellness Care Of Wny, PLLC was last updated on February 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.