Simon Chan, M.D.

Gastroenterology Internal Medicine

Also practices: INTERNAL MEDICINE

(925) 813-3707Antioch, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Simon Chan, M.D. has been part of the Antioch medical community since 2006 in group practice. Trained at New York University School of Medicine (class of 2002), he has been practicing for over 24 years. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.

At a glance

  • Uses generic medications more than 44% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 847 Internal Medicine providers in CASee all Internal Medicine in Antioch24+ years experienceNPI since 2006

Older · 1597dNPPES updated 2021-12-22 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

4501 Sand Creek Rd Dept. of Gastroenterology - 2nd Floor, Antioch, CA 94531-8687

Fax: (925) 813-3701
Industry Payment Transparency

$23 received from industry

1 transaction reported in 2018 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Simon Chan's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2002

    Nyu Grossman School of Medicine

  2. 24 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

New York University School of Medicine (Class of 2002)

Practice Footprint

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 220001

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Simon Chan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Simon Chan for follow-ups, medication reviews, and ongoing care — no travel to Antioch required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Simon Chan

NPI records show Dr. Chan as active with telehealth listed in Antioch, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (925) 813-3707.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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