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About

Kidney Specialists, PLLC is a nephrology practice with offices in Martinsburg, WV, serving nearby areas including Winchester, VA. Highlights: - Specialty: Nephrology/kidney care in a patient-friendly environment. - Locations: 3 offices under the Martinsburg, WV umbrella; serves the Martinsburg area and surrounding regions (Winchester area included in service footprint). - Contact/online presence: Website kidney-specialists.org; phone numbers listed; LinkedIn presence. - Practice profile: Private group with a small (support) team and connections to regional medical institutions. - Patient experience: Web metrics show modest traffic with a low bounce rate and average 2.2 pages per visit, indicating targeted information for visitors. If you’re specifically seeking a nephrology clinic in Winchester, VA, Kidney Specialists, PLLC lists Winchester within their service area and maintains a focus on kidney health with patient-centered care. For precise clinic location, hours, and appointment availability in Winchester, contact their offices directly or visit their website.

Clinic Type

Nephrology

Address

480 W. Jubal Early Drive, Suite 200, Winchester, VA 22601

Phone

540-313-6563

Email

Opening Hours

Monday – Thursday: 8:30 AM-4:30 PM; Friday: 8:30 AM-12:30 PM

Services Offered

  • Nephrology
  • Kidney disease diagnosis and treatment
  • Chronic kidney disease management
  • Acute kidney injury treatment
  • Hypertension management
  • Diabetic kidney disease care
  • Kidney stones treatment
  • CKD-Mineral & Bone Disorder care
  • Anemia related to kidney disease care
  • Kidney function testing
  • Electrolyte imbalance management
  • Proteinuria/hematuria management
  • Advanced testing and care

Team

  • Babak Barmar, MD, MD — Nephrologist

Insurance & Payment

Phone and on-site payment at clinic

Languages Spoken

  • English

FAQs

Hours of Operation

Monday – Thursday: 8:30 AM-4:30 PM; Friday: 8:30 AM-12:30 PM

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Dr. Archana Shyamsunder): 4.5/5 (15 ratings) (15 ratings)
  • WebMD (Dr. David Sisson): 3.5/5 (20 ratings) (20 ratings)
  • Vitals (Dr. David Sisson): 3.2/5 (21 ratings; 3 written reviews shown) (21 ratings; 3 written reviews)
  • RateMDs (Dr. David E. Sisson): 2.9/5 (2 reviews) (2 reviews)
  • US News (Dr. Babak Barmar): Excellent (patient experience categories shown; numeric score not provided in snippet) (Not stated in snippet)

Patients praise

  • Caring/thorough diagnosis and multiple options to improve
  • Staff and clinicians listen to patients and explain things
  • Positive bedside manner and feeling “in good hands”
  • Courtesy and helpful office staff

Common complaints

  • Disagreements with diagnoses/clinical decisions and patient reports of needing a second opinion
  • Billing/collections and refusal to work with payment arrangements (at least one negative review)
  • Bad bedside manner/“haughty” demeanor and poor communication
  • Long waits for results and suggestion to go to the ER instead of providing help

"“Wonderful practice very caring and thorough on your diagnosis.”"

kidney-specialists.org – Patient Reviews

"“When I spoke to Dr. Diab to ask him to remove the ‘Stage 2 Kidney Disease’... he argued... told me to just sue him and hung up.”"

a-better-place.com – Kidney Specialists, PLLC (Martinsburg) reviews (includes Winchester area clinic provider review content)

"“This office is absolutely terrible!... They refused and hung up... sent it to collection.”"

Vitals – Dr. David E. Sisson reviews (Winchester)

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Winchester, VA·Nephrology

Renal Physician Associates of Winchester PLC is a small Winchester, Virginia-based medical practice specializing in kidney care. The four-physician group collaborates with three nurse practitioners to deliver premium kidney care, offers consultative services at Winchester Medical Center, and coordinates with local dialysis centers. The practice operates from two Winchester locations and emphasizes high-quality patient care across kidney-related services. Key details: - Industry: Medical Practices (renal/kidney care) - Location: Winchester, VA (two offices at 812 Amherst St) - Team: 4 physicians + 3 nurse practitioners - Services: consultative kidney care, collaboration with dialysis centers - Contact: officemanager@winchesterkidney.com; (540) 450-0166 or (540) 450-1600 - Web presence: winchesterkidney.com; modest web traffic with a strong local focus (USA)

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