HealthcareDiscovery.AI / Doctors / Maryland / Frederick / Rheumatology

Rheumatology in Frederick, Maryland

Data updated monthly · Last refresh September 2026

5 Rheumatology providers practice in Frederick. Listings are drawn from federal public records and are not endorsements.

Rheumatology providers in Frederick

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Alyssa Bosso, MD
Frederick, MD · $15 in drug and device payments (2025) · Telehealth · (301) 942-7600
Dr. Grant Louie, M.D.
Frederick, MD · No drug or device payments recorded (2025) · Telehealth · (301) 942-7600
Dr. Katherine Maher, M.D.
Frederick, MD · $117 in drug and device payments (2025) · Telehealth · (301) 942-7600
Dr. Louisa Ziglar, MD
Frederick, MD · $118 in drug and device payments (2025) · Telehealth · (301) 942-7600
Dr. Neeti Bhargava, M.D.
Frederick, MD · $366 in drug and device payments (2025) · (301) 694-8311

Conditions Rheumatology providers in Frederick, Maryland commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Rheumatology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Rheumatology providers are in Frederick, Maryland?

There are 5 Rheumatology providers with active NPI records practicing in Frederick, according to federal NPPES data refreshed monthly.

What conditions do Rheumatology providers in Frederick treat?

Rheumatology providers in Frederick commonly treat rheumatoid arthritis, lupus, gout, psoriatic arthritis, fibromyalgia and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Frederick Rheumatology across Maryland

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.