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Clinic Type

Gastroenterology

Address

1100 Park Place San Mateo, CA 94403

Phone

415-502-8941

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Gastroenterology
  • Inflammatory Bowel Disease Gastroenterology
  • Gastroenterology diagnostics and treatment
  • Schedule online

Insurance & Payment

Online scheduling, Phone scheduling, Schedule online

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • UCSF Health (for Dr. Kendall Beck): 4.8/5 (108)
  • WebMD (for Dr. Francis Yao): 5.0/5 (11)
  • Vitals (for Dr. Jennifer Price): 4.8/5 (not explicitly stated)
  • Vitals (for Dr. Sofia Verstraete): 3.7/5 (not explicitly stated)
  • Vitals (for Dr. Marjorie Mccracken): 4.7/5 (not explicitly stated)

Patients praise

  • doctors are attentive and knowledgeable
  • empathetic and patient-focused care
  • easy appointment booking via MyChart
  • helpful and friendly staff

Common complaints

  • billing and insurance related issues
  • concerns about billing for annual physicals as diagnostic services

"I have an ambiguous case and I really appreciated Dr. Beck taking the time to listen to my concerns, review my records with me and outline my options."

UCSF Health Review

"Dr. Yao is exceptional. He's knowledgeable, friendly, and patient-focused. I've been under his care for 20 years."

WebMD Review

"I've a billing problem... the billing department revised billing codes... a billing headache."

Google Reviews (aggregated on third-party site)

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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Peninsula Gastrointestinal Specialists, Inc. is a San Mateo-based private medical practice offering gastroenterology services to treat digestive conditions such as stomach pain, acid reflux, and constipation. The group operates four offices in the U.S. (headquartered at 100 S. Ellsworth Ave, San Mateo, CA 94401) and has an annual revenue of about $4.24 million. Current workforce is small (2 employees noted). Website: mygidoctors.com. Notable metrics: monthly site visits ~4,122, low bounce rate (0.3%), and top country is the United States. Contact: contactus@mygidoctors.net; phone: (650) 342-7432.

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