Paul J. DeMarco, MD in Baltimore: Rheumatology with Subspecialty Focus on Systemic Sclerosis

Paul J. DeMarco is a board-certified rheumatologist practicing in Baltimore with credentials as a Fellow of the American College of Physicians (FACP) and Fellow of the American College of Rheumatology (FACR). His practice centers on the diagnosis and management of autoimmune and inflammatory joint diseases, with documented clinical interest in systemic sclerosis and connective tissue disorders. He represents a specialist option within Baltimore's rheumatology landscape, which includes academic-affiliated practices through Johns Hopkins and University of Maryland Medical Center, as well as independent and community-based rheumatologists.

What a Rheumatology Practice Handles

Rheumatology addresses chronic inflammatory conditions affecting joints, connective tissues, and the immune system. Common diagnoses include rheumatoid arthritis, lupus, vasculitis, gout, osteoarthritis, and scleroderma. Rheumatologists order laboratory tests (blood work, imaging), prescribe immunosuppressive medications, biologics, and DMARDs (disease-modifying antirheumatic drugs), and coordinate care with other specialists. Patients typically arrive by referral from a primary care physician, though some insurance plans permit self-referral.

Services and Specialty Focus

DeMarco's board certifications in internal medicine and rheumatology position him to evaluate and manage the full spectrum of rheumatic diseases. His documented clinical focus includes systemic sclerosis (scleroderma), a rare connective tissue disease that affects the skin, lungs, heart, and kidneys. This subspecialty focus is relevant for Baltimore patients with this diagnosis who may require longitudinal, expert-level management rather than general rheumatologic care.

General rheumatology services include:

  • Diagnosis of autoimmune and inflammatory conditions via history, physical examination, and laboratory assessment
  • Management of rheumatoid arthritis, lupus, psoriatic arthritis, and other inflammatory polyarthropathies
  • Treatment with conventional DMARDs (methotrexate, sulfasalazine) and biologic agents (TNF inhibitors, IL-6 inhibitors, JAK inhibitors)
  • Monitoring for medication side effects and disease activity through regular office visits and lab work
  • Referral to subspecialists (pulmonology, rheumatology dermatology, nephrology) when organ involvement is present

Pricing information for rheumatology visits is determined by insurance plan, deductible status, and copay structure; confirm copays and out-of-pocket maximums directly with your insurance carrier before scheduling. Initial consultations typically require more time (60 to 90 minutes) than follow-up visits (20 to 30 minutes). Medication costs vary widely depending on drug class and insurance formulary coverage; biologic agents are significantly more expensive than conventional therapies but may be cost-effective for severe disease.

How DeMarco Compares to Other Baltimore Rheumatologists

Baltimore rheumatology options fall into three main categories: academic medical center practices (Johns Hopkins Rheumatology, University of Maryland), independent community-based rheumatologists, and private group practices. Johns Hopkins rheumatology offers subspecialty centers for lupus, vasculitis, and systemic sclerosis with access to clinical trials and multidisciplinary clinics; wait times for new patients often exceed two months. University of Maryland Rheumatology similarly provides academic care with robust referral networks but operates within a health system scheduling model. Independent rheumatologists like DeMarco typically offer shorter wait times for new patient appointments (two to four weeks), more flexible scheduling, and continuity with a single provider rather than a team-based model. The trade-off is reduced access to same-day subspecialty consultations or on-site advanced imaging.

For systemic sclerosis specifically, Johns Hopkins Scleroderma Center is the only formal subspecialty program in the Baltimore area; DeMarco's independent practice serves as a primary care option for patients with sclerosis who do not require Johns Hopkins' multidisciplinary intensity or who live closer to his location. Patients with uncomplicated RA or gout may find faster access with community-based rheumatologists; patients with rare or multi-organ disease typically benefit from academic center referral.

Who Benefits from This Practice; Who May Not

DeMarco's practice is well suited for:

  • Patients with systemic sclerosis seeking longitudinal expert management
  • Patients with rheumatoid arthritis, lupus, or other inflammatory arthropathies requiring medication adjustment and monitoring
  • Patients with insurance coverage or out-of-pocket ability to access a private practice (as opposed to only safety-net or federally qualified health center options)
  • Patients preferring continuity with one provider over a rotating team model

DeMarco's practice is less suitable for:

  • Patients requiring same-day urgent rheumatology evaluation (best served by urgent care or ER)
  • Patients needing subspecialty multidisciplinary care for complex scleroderma with severe organ involvement (Johns Hopkins Scleroderma Center is more appropriate)
  • Patients without insurance or with Medicaid requiring documented in-network status (confirm plan coverage before scheduling)

What the First Visit Involves

The initial rheumatology consultation typically includes a 60 to 90 minute appointment. Bring current insurance information, a list of all medications and supplements, recent lab work (ANA, RF, CRP, ESR), imaging reports, and documentation of your diagnosis if you have one. The rheumatologist will take a detailed history focusing on joint pain, swelling, morning stiffness, systemic symptoms (rash, dry eyes, shortness of breath), and medication response. A physical examination assesses joint inflammation, skin changes, and other organ findings. You may have blood work drawn during or immediately after the visit. Treatment recommendations may be initiated at this appointment or after results return.

Hours, Location, and Logistics

Confirm current office hours and appointment availability directly with the practice, as scheduling may change seasonally or due to hospital commitments. If DeMarco maintains office space within a hospital or medical plaza, parking is typically available on-site or in a nearby garage; street parking depends on location. Request accessible parking or accommodations in advance if needed. Most rheumatology practices require 48 hours' notice for cancellation to avoid fees.

DeMarco's board certifications and systemic sclerosis expertise position him as a solid option for Baltimore patients seeking continuity-based rheumatology care outside the academic medical center system, particularly those living in central or east Baltimore where independent practices may reduce travel burden compared to Johns Hopkins or UM.