Johanna Chung, DDS
- Hospital affiliations
- 1
- Industry payments
- $101
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 2500 Alhambra Avenue, Martinez, CA 94553
- Practice phone
- Call (925) 370-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Johanna 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.
Johanna Chung is a dentist in Martinez, California
Johanna Chung practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Johanna Chung's NPI, 1336499326, was assigned on September 17, 2012. Johanna Chung graduated from Univ of Calif, San Francisco School of Dentistry in 2012. Johanna Chung holds California license 61910.
- NPI
- 1336499326NPI Registry (opens in a new tab)
- NPI enumeration date
- September 17, 2012
- NPI status
- Active
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Johanna Chung practices at Contra Costa Regional Medical Center in Martinez, California
Johanna Chung's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.
- Contra Costa Regional Medical Center2500 Alhambra Avenue, Martinez, CA 94553 · Contra Costa CountyPhone(925) 370-5000
Source: Dmand AI Affiliation Data
Johanna Chung is affiliated with 1 site of care and 1 medical group
Johanna Chung's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is West County Adult Mental Health Services. Johanna Chung'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 Johanna Chung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Johanna Chung practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Contra Costa Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Johanna Chung is one of 6,282 dentists in California
Dentist is Johanna Chung's primary specialty in the NPI Registry, under taxonomy code 122300000X. Johanna Chung is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near Johanna Chung
Counts of dentists 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
Johanna Chung's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Johanna Chung's median patient age at 41, with 50% women.
Johanna 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 41
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Johanna Chung received $101 in industry payments in 2025
CMS Open Payments shows 1 general payment to Johanna Chung from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. Colgate Oral Pharmaceuticals, Inc. paid the most, $101.
Companies that paid Johanna 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
Johanna Chung graduated from Univ of Calif, San Francisco School of Dentistry
Johanna Chung graduated from Univ of Calif, San Francisco School of Dentistry in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Johanna 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 | 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 |
| 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 Johanna 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 Johanna Chung's NPI number?
Johanna Chung's NPI number is 1336499326. It was assigned on September 17, 2012, and it is active in the NPI Registry.
What does Johanna Chung specialize in?
Johanna Chung is a dentist in Martinez, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Johanna Chung practice?
Johanna Chung practices at 2500 Alhambra Avenue, Martinez, CA 94553. Johanna Chung's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California.
What is Johanna Chung's office phone number?
The practice phone on file for Johanna Chung is (925) 370-5000.
What is Johanna Chung's medical license number?
Johanna Chung holds California license 61910.
Which hospitals is Johanna Chung affiliated with?
Johanna Chung practices at Contra Costa Regional Medical Center in Martinez, California.
What medical group is Johanna Chung part of?
Johanna Chung is linked to West County Adult Mental Health Services.
Where did Johanna Chung go to medical school?
Johanna Chung graduated from Univ of Calif, San Francisco School of Dentistry in 2012.
Has Johanna Chung received payments from drug or device companies?
CMS Open Payments shows $101 in general payments to Johanna Chung from 1 company from 2025 to 2025. The largest total came from Colgate Oral Pharmaceuticals, Inc.
How long has Johanna Chung been practicing?
Johanna Chung graduated from medical school in 2012, 14 years ago.
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