CHADHA MEDICALS PC
NPI 1770897399
Internal Medicine - Rheumatology in Williamsville, NY

Q: What is Chadha Medicals PC's NPI number?

The NPI number for Chadha Medicals PC is 1770897399. It was assigned to this organization in the NPPES registry on August 6, 2010.

Q: What is Chadha Medicals PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since August 06, 2010

1825 MAPLE RD, SUITE 2A, WILLIAMSVILLE, NY 14221(716) 634-4798(716) 634-0987 Get Directions Write a Review

NPPES record last updated: January 31, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Chadha Medicals Pc NPPES

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

CHADHA MEDICALS PC (NPI 1770897399) is a healthcare organization registered as a rheumatology in Williamsville, New York and active in the NPI registry since August 2010. The organization lists Sunita Chadha, President, as its authorized official.

NPPES Registry Identity

NPI1770897399

Entity TypeOrganization

Primary Taxonomy207RR0500X

Legal Business NameCHADHA MEDICALS PC

Location Address1825 MAPLE RD, SUITE 2AWilliamsville, NY 14221-2723

Mailing Address1825 Maple Rd, Suite 2aWilliamsville, NY 14221-2723 · (716) 634-4798 · Fax (716) 634-0987

Phone(716) 634-4798

Fax(716) 634-0987

Organization SubpartNo

Authorized OfficialSunita ChadhaPresident · (716) 228-0500

Enumeration DateAugust 6, 2010

Last NPPES UpdateJanuary 31, 2012

✔ NPI 1770897399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

1825 MAPLE RD, Williamsville, NY 14221

Open in Google Maps ↗

Other Identifiers 3

Medicaid03252357NY

Medicare PINJ100026158NY

Medicare PINDQ6608NY

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chadha Medicals Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Chadha Medicals PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Sunita Chadha, M.D.

Rheumatology

NPI 1013176692

495 INTERNATIONAL DR
Williamsville, NY 14221

(716) 810-9292

✔ PECOS✔ Accepts Medicare1.3 mi

Jill Stein, NP

Nurse Practitioner

NPI 1689262230

495 INTERNATIONAL DR.
Williamsville, NY 14221

(716) 810-9292

✔ PECOS1.3 mi

Amber Mehta, NP-BC

Nurse Practitioner

NPI 1346716917

565 ABBOTT RD
Buffalo, NY 14220

(716) 826-7000

✔ PECOS✔ Accepts Medicare11 mi

Kathleen Cloutier, NP

Nurse Practitioner

NPI 1588975288

621 10TH ST
Niagara Falls, NY 14301

(716) 278-4000

✔ PECOS✔ Accepts Medicare18 mi

Kaitlyn Richards, FNP-BC

Nurse Practitioner

NPI 1205300191

165 BROADWAY FL 23
New York, NY 10006

(716) 807-9277

✔ PECOS289 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 Chadha Medicals PC's NPI number?

The NPI number for Chadha Medicals PC is 1770897399. It was assigned to this organization in the NPPES registry on August 6, 2010.

Where is Chadha Medicals PC located?

Chadha Medicals PC is located at 1825 Maple Rd Suite 2A, Williamsville, NY 14221. The listed phone number is (716) 634-4798.

What is Chadha Medicals PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Chadha Medicals PC enrolled in Medicare?

Yes. Chadha Medicals PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Chadha Medicals PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Chadha Medicals 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. The largest specialties are Nurse Practitioner (4) and Rheumatology (1). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Chadha Medicals PC was last updated on January 31, 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.