Dr. Simon C. Chan, MD
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 549
- Hospital affiliations
- 2
- Industry payments
- $145
- Medical group
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Chan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Simon C. Chan is a gastroenterologist in Richmond, California
Dr. Chan practices at Richmond Medical Center in Richmond, California.
Dr. Chan's NPI, 1497762082, was assigned on August 3, 2006. Dr. Chan graduated from New York University School of Medicine in 2002. Dr. Chan's California license number on file is A85162.
- NPI
- 1497762082NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062433824
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Simon C. Chan practices at Richmond Medical Center in Richmond, California
Dr. Chan's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Simon C. Chan is affiliated with 3 sites of care and 1 medical group
Dr. Chan's primary practice is Richmond Medical Center in Richmond, California. Dr. Chan is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chan to 1 more hospital, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Simon C. Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Simon C. Chan is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chan is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Chan has a license on file in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists upper GI endoscopy among the conditions Dr. Chan treats.
Gastroenterologists near Dr. Chan
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Simon C. Chan treated 17 Medicare patients in 2024, average age 65
CMS counts 17 Medicare patients who saw Dr. Chan in 2024. 65% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 2.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 68, with 50% women.
Chronic conditions among Dr. Chan's Medicare patients, 2024
- High blood pressure65%
- High cholesterol65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Simon C. Chan wrote 549 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 549 Medicare Part D claims for 192 patients. 83% of them were for generic drugs. CMS names the drug for 397 of them, across 12 drugs with 11 or more claims each, at $151,726 in total drug cost. In 2023, CMS named 494 claims across 16 drugs.
Dr. Chan's Part D claims by kind of drug, 2024
- Generic453 claims83%
- Brand-name96 claims17%
Dr. Chan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chan's Part D claims, 2024
- Antibiotics11%62 of 549 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4942024: 39720%
Drugs named by CMS: 12 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Simon C. Chan offers telehealth to Medicare patients
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Simon C. Chan received $145 in industry payments from 2016 to 2018
CMS Open Payments shows 2 general payments to Dr. Chan from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $122.
General payments to Dr. Chan by program year, 2016 to 2018
Companies that paid Dr. Chan the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Simon C. Chan graduated from New York University School of Medicine
Dr. Chan graduated from New York University School of Medicine in 2002.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Simon C. Chan accepts plans from 2 insurance carriers
Dr. Chan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Simon C. Chan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Simon C. Chan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Simon C. Chan's NPI number?
Dr. Simon C. Chan's NPI number is 1497762082. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Simon C. Chan?
Dr. Simon C. Chan is a gastroenterologist in Richmond, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Simon C. Chan practice?
Dr. Chan practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Chan's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Chan to 1 hospital.
What is Dr. Simon C. Chan's office phone number?
The practice phone on file for Dr. Chan is (510) 307-1555.
What is Dr. Simon C. Chan's medical license number?
Dr. Chan's California license number on file is A85162.
Which hospitals is Dr. Simon C. Chan affiliated with?
Dr. Chan is affiliated with Walnut Creek Medical Center. Dmand AI links Dr. Chan to 1 more hospital.
What medical group is Dr. Simon C. Chan part of?
Dr. Chan is linked to The Permanente Medical Group, Inc.
Does Dr. Simon C. Chan accept Medicare?
Yes. CMS lists Dr. Chan as accepting Medicare assignment.
Does Dr. Simon C. Chan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chan as offering telehealth services.
How many Medicare patients does Dr. Simon C. Chan see?
CMS counts 17 Medicare patients who saw Dr. Chan in 2024, with an average age of 65.
Show 6 more questionsShow fewer questions
Is Dr. Simon C. Chan board certified?
Yes. Dr. Chan is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. Simon C. Chan go to medical school?
Dr. Chan graduated from New York University School of Medicine in 2002.
What drugs does Dr. Simon C. Chan prescribe most?
In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Sucralfate.
Has Dr. Simon C. Chan received payments from drug or device companies?
CMS Open Payments shows $145 in general payments to Dr. Chan from 2 companies from 2016 to 2018. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Simon C. Chan been practicing?
Dr. Chan graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Simon C. Chan accept?
Dr. Chan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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