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Clinic Type

Rheumatology

Address

8100 Ashton Avenue, Suite 215 Manassas, VA 20109

Phone

(703) 361-3255

Email

Contact@aocnovarheum.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Rheumatology
  • Arthritis care
  • Osteoporosis care
  • Joint injections
  • Joint aspiration
  • Bone density testing
  • Musculoskeletal ultrasound
  • EMG/nerve testing
  • PRP injections
  • Vitamin drips

Technology & Equipment

  • Bone density testing
  • Musculoskeletal ultrasound
  • EMG/Electromyography
  • PRP injections
  • Vitamin drips

Team

  • American Board-Certified Physicians, Nurse Practitioners, and Physician Assistants, Board-certified medical staff — Clinical team

Insurance & Payment

  • Most insurance providers

We accept most insurances; for specifics, contact the clinic

Call, click, or visit — we’re here to make getting care simple & stress-free! (implicit payment access)

Languages Spoken

  • English

Current Offers

New patient information

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye/Patient First Manassas: 3.6 out of 5 stars (1,393 reviews)
  • Google/Easy Care Primary & Urgent Care Woodbridge: 3.8 out of 5 stars (57 reviews)
  • Healthgrades/Sentara Northern Virginia Medical Center: 59% patient recommendation rate
  • Healthgrades/UVA Health Prince William Medical Center: 59% patient recommendation rate

Patients praise

  • Professional and knowledgeable medical providers
  • Clean and well-maintained facility environments
  • Convenience of on-site services like lab work and pharmacies
  • Effective communication and attentive care from specific doctors and NPs
  • Minimal wait times at some specialized practices

Common complaints

  • Poor customer service and rude interactions with front desk staff
  • Issues with billing, medical coding errors, and unexpected fees
  • Long wait times and disorganized administrative processes
  • Lack of empathy or compassion from medical staff
  • Concerns regarding the thoroughness of medical examinations

"Front desk and nurses are really fantastic- prompt, kind, knowledgeable and Dr. Siddineni is thorough, explains well and is friendly."

LocalityBiz/Millennium Medical Care Manassas reviews

"There was absolutely zero empathy, care, or concern shown by the staff. It's extremely disappointing that a clinic, which is supposed to provide care and support to those in need, could not find it in their hearts to help..."

LocalityBiz/Old Town Manassas Medical Center reviews

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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