Dr. Sunny Chun Hong Yung, MD
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $17
- State licenses
- 3
- Year NPI issued
- 2008
- Practice address
- 10535 Hospital Way, Mather, CA 95655
- Practice phone
- Call (800) 382-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yung'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. Sunny Chun Hong Yung is an internist in Mather, California
Dr. Yung practices at Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.
Dr. Yung's NPI, 1376708826, was assigned on July 24, 2008. Dr. Yung graduated from Heersink School of Medicine - Birmingham in 2004. Dr. Yung's Maryland license number on file is D0065906.
- NPI
- 1376708826NPI Registry (opens in a new tab)
- NPI enumeration date
- July 24, 2008
- NPI status
- Active
- Practice phone
- (800) 382-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sunny Chun Hong Yung practices at Sacramento VA Medical Center in Mather, California
Dr. Yung's primary practice is Sacramento VA Medical Center, at 10535 Hospital Way, Mather, CA 95655 in Sacramento County. The practice phone is (800) 382-8387.
- Sacramento VA Medical Center10535 Hospital Way, Mather, CA 95655 · Sacramento CountyPhone(800) 382-8387
Source: Dmand AI Affiliation Data
Dr. Sunny Chun Hong Yung is affiliated with 1 site of care
Dr. Yung's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration. Dr. Yung's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sunny Chun Hong Yung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yung practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sacramento VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sunny Chun Hong Yung is one of 16,751 internists in California
Internal medicine is Dr. Yung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yung is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Yung's licenses on file in 3 states: Maryland, California and North Carolina.
Specialties and state licenses
- Internal medicine, MarylandPrimary
- California license
- North Carolina license
Internists near Dr. Yung
Counts of internists 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. Sunny Chun Hong Yung's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Yung's median patient age at 75, with 3% women.
Dr. Yung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women3%
- Men97%
Source: Dmand AI Patient Panel Data
Dr. Sunny Chun Hong Yung has 3 publications on record
Dmand AI links 3 papers to Dr. Yung in 2019. Dr. Yung's most frequent co-author is Alexandra Freeman.
Dr. Yung's most frequent co-authors
Recent publications by Dr. Yung
See who Dr. Yung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yung works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sunny Chun Hong Yung received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Yung from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Collegium Pharmaceutical, Inc. paid the most, $17.
Companies that paid Dr. Yung 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. Sunny Chun Hong Yung graduated from Heersink School of Medicine - Birmingham
Dr. Yung graduated from Heersink School of Medicine - Birmingham in 2004.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Sunny Chun Hong Yung'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Sunny Chun Hong Yung
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. Sunny Chun Hong Yung's NPI number?
Dr. Sunny Chun Hong Yung's NPI number is 1376708826. It was assigned on July 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Sunny Chun Hong Yung?
Dr. Sunny Chun Hong Yung is an internist in Mather, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sunny Chun Hong Yung practice?
Dr. Yung practices at 10535 Hospital Way, Mather, CA 95655. Dr. Yung's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.
What is Dr. Sunny Chun Hong Yung's office phone number?
The practice phone on file for Dr. Yung is (800) 382-8387.
What is Dr. Sunny Chun Hong Yung's medical license number?
Dr. Yung's Maryland license number on file is D0065906, one of the licenses on file in 3 states.
Which states has Dr. Sunny Chun Hong Yung been licensed in?
Dmand AI has state licenses on file for Dr. Yung in Maryland (2007 to 2013), California (2012 to 2025) and North Carolina (2004 to 2007).
Which hospitals is Dr. Sunny Chun Hong Yung affiliated with?
Dr. Yung practices at Sacramento VA Medical Center in Mather, California.
Is Dr. Sunny Chun Hong Yung board certified?
Yes. Dr. Yung is board certified in infectious disease by the American Board of Internal Medicine.
Where did Dr. Sunny Chun Hong Yung go to medical school?
Dr. Yung graduated from Heersink School of Medicine - Birmingham in 2004.
Has Dr. Sunny Chun Hong Yung received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Yung from 1 company from 2025 to 2025. The largest total came from Collegium Pharmaceutical, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Sunny Chun Hong Yung been practicing?
Dr. Yung graduated from medical school in 2004, 22 years ago.
Does Dr. Sunny Chun Hong Yung do research?
Dmand AI links 3 publications to Dr. Yung.
Who does Dr. Sunny Chun Hong Yung publish with?
Dr. Yung's most frequent co-authors are Alexandra Freeman (1 shared paper).
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card