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About

Union Square Medical Associates is an internal medicine practice based in Elizabeth, New Jersey, offering preventive services and treatment for infectious, pulmonary, cardiovascular, diabetes, hypertension, thyroid, and other acute/chronic conditions. The practice participates in clinical trials and medical research. Primary contact numbers: (908) 352-9556 and (908) 282-6474. Locations: 449 Elmora Ave, Elizabeth, NJ 07208, and 15151 National Ave, Los Gatos, CA 95032. Website: usmapc.com. Notes: Very small practice (1 employee listed) with a modest online footprint (monthly visits ~1,564). Industry identifiers: NAICS 62/621; SIC 80/801. Focus areas include internal medicine and clinical trials.

Clinic Type

Internal Medicine

Address

Union Square Medical Associates, Elizabeth, NJ

Phone

(908) 352-9556; (908) 282-6474

Email

hello@hedyandhopp.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Internal Medicine
  • Primary Care
  • General Internal Medicine
  • Chronic Disease Management
  • Preventive Care
  • Wellness Exams
  • Immunizations
  • Labs/Diagnostics (if listed)
  • Women’s Health (if listed)
  • Men’s Health (if listed)
  • Geriatrics (if listed)

Team

  • Internal Medicine Doctors — Provider group

Insurance & Payment

Languages Spoken

  • English
  • Español

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye aggregate (including Yellow Pages and Google): 3 out of 5 stars (4 reviews)
  • Zocdoc (for Dr. Francisco Munoz): 4 out of 5 stars (4 reviews)

Patients praise

  • professional staff
  • attentive care
  • nice bedside manner
  • thorough examinations

Common complaints

  • rude staff
  • sarcastic doctors
  • doctors talk down to patients
  • unresponsive staff/office hours complaints

"Horrendous Stay Away !!!! Staff is rude doctors are sarcastic and talk down to patients this will be the last place I will go to"

Birdeye (via Yellow Pages)

"Professional, courteous staff; attentive; nice bedside manner; thorough."

Zocdoc (review for Dr. Guillermo Munoz)

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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