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ESSENTIAL RHEUMATOLOGY LLC
NPI 1093631772
Internal Medicine - Rheumatology in Avon, CT

Active since June 26, 2026
40 DALE RD STE 203, AVON, CT 06001(631) 974-8826(860) 325-6508 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Essential Rheumatology Llc NPPES

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

ESSENTIAL RHEUMATOLOGY LLC (NPI 1093631772) is a healthcare organization registered as a rheumatology in Avon, Connecticut and active in the NPI registry since June 2026. The organization lists Yousong Wang, Owner, as its authorized official.

NPPES Registry Identity

NPI1093631772
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameESSENTIAL RHEUMATOLOGY LLC
Location Address40 DALE RD STE 203Avon, CT 06001-3692
Mailing Address40 Dale Rd Ste 203Avon, CT 06001-3692 · (860) 325-6908 · Fax (860) 325-6508
Phone(631) 974-8826
Fax(860) 325-6508
Organization SubpartNo
Authorized OfficialYousong WangOwner · (631) 974-8826
Enumeration DateJune 26, 2026
Last NPPES UpdateJune 30, 2026
NPPES CertifiedJune 30, 2026
✔ NPI 1093631772 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.
40 DALE RD STE 203, Avon, CT 06001
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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)

Essential Rheumatology Llc 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 Essential Rheumatology LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Duojia Shen, APRN
Nurse Practitioner
NPI 1598174575
40 DALE RD STE 203
Avon, CT 06001
(860) 325-6908
✔ PECOS✔ Accepts MedicareSame address
Yousong Wang, M.D.
Rheumatology
NPI 1023253200
40 DALE RD STE 203
Avon, CT 06001
(631) 974-8826
✔ 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 Essential Rheumatology LLC's NPI number?

The NPI number for Essential Rheumatology LLC is 1093631772. It was assigned to this organization in the NPPES registry on June 26, 2026.

Where is Essential Rheumatology LLC located?

Essential Rheumatology LLC is located at 40 Dale Rd Ste 203, Avon, CT 06001. The listed phone number is (631) 974-8826.

What is Essential Rheumatology LLC's specialty?

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

Is Essential Rheumatology LLC enrolled in Medicare?

Yes. Essential Rheumatology LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Essential Rheumatology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Essential Rheumatology LLC, in Nurse Practitioner and Rheumatology. 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 Essential Rheumatology LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Essential Rheumatology LLC 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 Essential Rheumatology LLC was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.