Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Physician Directory

Find a Doctor

Dr. Ann S. Omachi, MD

Internal Medicine

  • (650) 994-2300

Dr. Omachi's Overview

Dr. Ann S. Omachi graduated from the University of Southern California Keck School of Medicine in 1979. She works in Daly City, CA and specializes in Internal Medicine. Dr. Omachi is affiliated with Seton Medical Center.

Dr. Omachi's Experience

Years in Practice: 36

Dr. Omachi's Specialties

Internal Medicine

Dr. Omachi's Education & Training

Medical School: University of Southern California Keck School of Medicine; Graduated 1979

Dr. Omachi's Rating

Rate This Doctor

Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
  • View All Ratings

Dr. Omachi's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • Aetna Savings Plus of CA
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
  • Blue Cross CA CaliforniaCare HMO
  • Blue Cross CA Pathway X PPO Direct Access
  • View More

Dr. Omachi's Office Information & Appointments

Office Locations

Family Medical Group

1800 Sullivan Ave RM 209
Daly City, CA 94015
(650) 994-2300


Office Hours and Information

Fax: (650) 992-0122

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: No

Medicaid Accepted: No

Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:00 PM
Wednesday 8:30 AM - 5:00 PM
Thursday 8:30 AM - 5:00 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Omachi's Practice

Dr. Omachi's Hospital Affiliations

Office Locations

Other Internists Near Daly City, CA

View More Internists