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About

Summary: Union Anesthesia Associates and Raritan Anesthesia Associates Pain Management is a private medical practice specializing in pain management and anesthesiology, including minimally invasive and non-surgical techniques to treat pain at the source (spine, neck, and back). They offer non-invasive and minimally invasive procedures, and have multiple New Jersey locations, including 135 Bloomfield Ave, Suite B, Bloomfield, NJ 07003 (as one of their five US offices). The practice emphasizes comprehensive pain relief strategies (not just symptom management) and has a small, growing team (about 7 employees). If you’re seeking pain management or anesthesiology services in Bloomfield, NJ 07003, this practice is within their network.

Clinic Type

Pain Management

Address

135 Bloomfield Ave, Bloomfield, NJ 07003

Phone

908-851-7161

Email

Opening Hours

7:30 AM - 5:00 PM

Services Offered

  • Pain Management
  • Anesthesiology

Insurance & Payment

Languages Spoken

FAQs

Hours Of Operation:

7:30 AM - 5:00 PM

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye (Dr. Andrew Sim): 4.9/5 (279)
  • Birdeye (Bloomfield Health Services): 3.7/5 (55)
  • Union Spine and Pain Management (Bloomfield location): 4.85/5 (average)

Patients praise

  • warm and respectful bedside manner
  • compassionate and attentive staff
  • thorough explanation of medical conditions and treatment plans
  • efficient care and quick service

Common complaints

  • potential concerns with paperwork processing

"Dr Sims greeted me with an amazing warm respectful spirit along with explaining my health issues and steps that has to be taken in order for my return to a pain free management..."

Patient review of Dr. Andrew Sim

"Tanya, the PA was really lovely, sweet, compassionate and attentive!"

Patient review of Bloomfield Health Services

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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Bloomfield, NJ·Pain Management

Summary: Andrew Sim, MD is a pain management physician affiliated with Alliance Orthopedics in New Jersey, including their Bloomfield location. Alliance Orthopedics is a self-owned medical practice founded in 2013 and headquartered in Matawan, NJ, offering personalized treatment for musculoskeletal conditions such as back pain, arthritis, sports injuries, and chronic pain. The network operates 7 offices across New Jersey (including Bloomfield) with modern facilities and experienced orthopedic specialists focused on comprehensive, patient-centered care.

VerifiedOnline bookingSince 2013
Bloomfield, NJ·Pain Management

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