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About

Anita Carmen Choy, MD is a board-certified allergist providing allergy and asthma care for adults and children in the Silicon Valley since 1995. Based at Welch Pasteur Allergy Medical Group, in Palo Alto, CA, she offers comprehensive services including allergy testing (skin tests, food challenges), drug challenges, and COVID-19 vaccination. The practice operates from 211 Quarry Road, Suite 106, Palo Alto, with a focus on allergy and asthma management for families. The group is a small practice with a single physician staff and a local web presence at allergydr.net.

Clinic Type

Allergy and Immunology

Address

Stanford office, Palo Alto ( Silicon Valley )

Phone

Not specified

Email

billing.welch.pasteur@gmail.com

Opening Hours

Not specified

Telehealth

Not specified

Emergency Care

Not specified

Services Offered

  • Allergy
  • Asthma
  • Conjunctivitis
  • Eczema (Atopic Dermatitis)
  • Food Allergies
  • Hay Fever (Allergic Rhinitis)
  • Hives (Urticaria)
  • Insect Sting Allergy
  • Nasal Polyposis
  • Sleep Breathing Disorders
  • Sinusitis
  • Angioedema
  • Anaphylaxis
  • Mediations Allergies

Technology & Equipment

  • Allergy and Immunology diagnostic tools (inferred)
  • Medical care tecnologia not specified

Team

  • Anita Carmen Choy, MD; Internal Medicine Residency; Allergy training Northwestern University — Allergist/Board Certified Allergist

Insurance & Payment

  • Medicare
  • PPO (preferred provider organization)
  • most PPO insurance plans

We accept Medicare and most PPO insurance plans.

Not specified

Financing: Not specified

Savings plan: Not specified

Languages Spoken

  • Not specified

Pricing

  • Not specified

Current Offers

Not specified — Not specified

FAQs

Not specified

Not specified

Commitments

  • Not specified

Awards & Accreditations

  • America Top Docs
  • People’s Choice Awards
  • Executive Board Member listings (Northern California Society of Allergy, Asthma and Immunology)

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals: 2.5 / 5 stars (4 ratings)
  • Yelp: Varies (based on 31 reviews) (31 reviews)

Patients praise

  • Thorough and knowledgeable care
  • Up-to-date with medical advancements and treatments
  • Friendly and knowledgeable staff in some instances
  • Transformative results for allergy treatment/shots

Common complaints

  • Perceived arrogance or scattered demeanor
  • Concerns over billing and insurance issues
  • Issues with staff handling medical procedures (e.g., skin tests)

"Very bad experience. Dr. Choy is a bit scattered. Also seems arrogant and thinks she knows it all. Got an assistant to do the skin tests."

— Yelp review

"Dr. Choy is AMAZING. She is extremely thorough and knowledgeable. I can tell she does her reading and is up to date on current advancements."

— Yelp review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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Palo Alto, CA·Allergy and Immunology

Summary: - Stanford Medicine Children’s Health (Stanford Children’s Health) is a nonprofit pediatric and obstetric care network based in Palo Alto, CA. - Main address: 725 Welch Road, Palo Alto, CA 94304 (HQ). Other listed Palo Alto offices include 700 Welch Rd and related Welch Rd entries. - Phone: 1-650-497-8000. - Services include pediatric care, family services, research, and innovations; operates as a network under Stanford Medicine Children’s Health. - For Allergy-specific contacts or locations, there is no dedicated Allergy department contact or separate office listed in the provided data. Use the main hospital contact or the Palo Alto addresses to reach pediatric allergy services or directions to the allergy clinic within Stanford Medicine Children’s Health. - Additional identifiers: aliases include Lucile Packard Children’s Hospital; LinkedIn: Stanford Medicine Children’s Health / Lucile Packard Children’s Hospital.

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