Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Nova Arthritis and Rheumatology Specialists LLC

Rheumatology Physician in Sterling, VA · enumerated 2017 · authorized official Sepehr Mesdaghinia, Physician/Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821511585

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Registry record

Entity type Organization (Type 2)

Legal business name Nova Arthritis and Rheumatology Specialists LLC

Practice address 46440 Benedict Dr Ste 206, Sterling, VA, 20164

Phone (703) 988-4142

Fax (703) 988-4147

Enumeration date Jul 24, 2017

Last updated in NPPES Mar 4, 2025

Taxonomy & classification

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Sepehr Mesdaghinia

Title Physician/Owner

Phone (703) 988-4142

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Who is the authorized official for Nova Arthritis and Rheumatology Specialists LLC?

NPPES lists Sepehr Mesdaghinia (Physician/Owner) as the authorized official for this organization.

What is the NPI number for Nova Arthritis and Rheumatology Specialists LLC?

The NPI for Nova Arthritis and Rheumatology Specialists LLC is 1821511585, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-04.