Dr. Daniel Y. Chung, MD
- Part D claims, 2024
- 1,193
- Hospital affiliations
- 2
- Industry payments
- $19
- Medical group
- 1
- Insurance carriers
- 2
- 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. Chung'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. Daniel Y. Chung is a gastroenterologist in Richmond, California
Dr. Chung practices at Richmond Medical Center in Richmond, California.
Dr. Chung's NPI, 1063590552, was assigned on November 1, 2006. Dr. Chung graduated from UVA School of Medicine in 2000. Dr. Chung holds California license A95331.
- NPI
- 1063590552NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042312894
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Y. Chung practices at Richmond Medical Center in Richmond, California
Dr. Chung'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. Daniel Y. Chung is affiliated with 3 sites of care and 1 medical group
Dr. Chung's primary practice is Richmond Medical Center in Richmond, California. Dr. Chung is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chung 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. Daniel Y. Chung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chung 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. Daniel Y. Chung is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Chung's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chung is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Chung is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Chung
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. Daniel Y. Chung's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Chung's median patient age at 59, with 58% women.
Dr. Chung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Daniel Y. Chung wrote 1,193 Medicare Part D claims in 2024
In 2024, Dr. Chung wrote 1,193 Medicare Part D claims for 450 patients. 83% of them were for generic drugs. CMS names the drug for 1,049 of them, across 28 drugs with 11 or more claims each, at $334,244 in total drug cost. In 2023, CMS named 1,079 claims across 27 drugs.
Dr. Chung's Part D claims by kind of drug, 2024
- Generic986 claims83%
- Brand-name207 claims17%
Dr. Chung'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. Chung's Part D claims, 2024
- Antibiotics5%57 of 1,193 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: 1,0792024: 1,0493%
Drugs named by CMS: 28 in 2024, 27 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
How Dr. Daniel Y. Chung takes part in Medicare
Dr. Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- 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. Daniel Y. Chung received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Chung from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Kerecis Limited paid the most, $19.
Companies that paid Dr. Chung the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Y. Chung has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chung, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Chung
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Daniel Y. Chung graduated from UVA School of Medicine
Dr. Chung graduated from UVA School of Medicine in 2000.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Daniel Y. Chung accepts plans from 2 insurance carriers
Dr. Chung is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
- Kaiser Permanente
Plan types Dr. Chung accepts, by number of carriers
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Y. Chung'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 Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Daniel Y. Chung
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. Daniel Y. Chung's NPI number?
Dr. Daniel Y. Chung's NPI number is 1063590552. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Y. Chung?
Dr. Daniel Y. Chung is a gastroenterologist in Richmond, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Daniel Y. Chung practice?
Dr. Chung practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Chung's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Chung to 1 hospital.
What is Dr. Daniel Y. Chung's office phone number?
The practice phone on file for Dr. Chung is (510) 307-1555.
What is Dr. Daniel Y. Chung's medical license number?
Dr. Chung holds California license A95331.
Which hospitals is Dr. Daniel Y. Chung affiliated with?
Dr. Chung is affiliated with Walnut Creek Medical Center. Dmand AI links Dr. Chung to 1 more hospital.
What medical group is Dr. Daniel Y. Chung part of?
Dr. Chung is linked to The Permanente Medical Group, Inc.
Does Dr. Daniel Y. Chung accept Medicare?
Yes. CMS lists Dr. Chung as accepting Medicare assignment.
Is Dr. Daniel Y. Chung board certified?
Yes. Dr. Chung is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. Daniel Y. Chung go to medical school?
Dr. Chung graduated from UVA School of Medicine in 2000.
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What drugs does Dr. Daniel Y. Chung prescribe most?
In 2024 Medicare Part D data, Dr. Chung's most prescribed drugs by claims were Gavilyte-C, Mesalamine and Omeprazole.
Has Dr. Daniel Y. Chung received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Chung from 1 company from 2025 to 2025. The largest total came from Kerecis Limited.
How long has Dr. Daniel Y. Chung been practicing?
Dr. Chung graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Daniel Y. Chung accept?
Dr. Chung is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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