Dr. Jay Chung, MD
- Medicare services, 2024
- 1,344
- Medicare patients, 2024
- 1,298
- Part D claims, 2020
- 338
- Hospital affiliations
- 1
- Industry payments
- $435
- Practice address
- 2700 Dolbeer St, Eureka, CA 95501
- Practice phone
- Call (714) 633-9111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Joseph Hospital Orange
Eureka, 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. Jay Chung is a rheumatologist in Eureka, California
Dr. Chung practices at St Joseph Hospital Orange in Eureka, California.
Dr. Chung's NPI, 1760588305, was assigned on September 14, 2006. Dr. Chung graduated from University of Texas Medical School at Houston in 1993. Dr. Chung holds Nevada license 12393.
- NPI
- 1760588305NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921093121
- NPI enumeration date
- September 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 633-9111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay Chung practices at St Joseph Hospital Orange in Eureka, California
Dr. Chung's primary practice is St Joseph Hospital Orange, at 2700 Dolbeer St, Eureka, CA 95501 in Humboldt County. The practice phone is (714) 633-9111.
- St Joseph Hospital Orange2700 Dolbeer St, Eureka, CA 95501 · Humboldt CountyPhone(714) 633-9111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jay Chung is affiliated with 3 sites of care and 2 medical groups
Dr. Chung's primary practice is St Joseph Hospital Orange in Eureka, California. Dr. Chung is also affiliated with Providence St. Joseph Hospital Eureka. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Chung to 1 more group practice or clinic and 1 medical group, each 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. Jay 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 |
|---|---|
| St Joseph Hospital Orange | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jay Chung is one of 821 rheumatologists in California
Rheumatology is Dr. Chung's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Dr. Chung's licenses on file in 2 states: Nevada and California.
Specialties and state licenses
- Rheumatology, NevadaPrimary
- California license
Rheumatologists near Dr. Chung
Counts of rheumatologists 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. Jay Chung billed Medicare for 1,344 services in 2024
CMS data shows 1,344 Medicare services from Dr. Chung across 2 procedure codes in 2024, for 1,298 Medicare patients. Medicare paid $54,281 for them. Every service was in an office.
Dr. Chung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,3682024: 1,3442%
Dr. Chung compared with the California median for rheumatologists, 2024
- Dr. Chung
- California median
- Medicare services
- 1,344vs 90049% above
- Medicare patients
- 1,298vs 2166.0 times
- Part D claims
- 338vs 96265% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Chung's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jay Chung treated 1,298 Medicare patients in 2024, average age 74
CMS counts 1,298 Medicare patients who saw Dr. Chung in 2024. The largest group is 65 to 74, with 740 patients. 60% of them have high cholesterol, and 53% have high blood pressure. 15% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chung's median patient age at 73, with 87% women.
Dr. Chung's Medicare patients by age, 2024
Dr. Chung's Medicare patients by sex, 2024
- Women1,20793%
- Men917%
Chronic conditions among Dr. Chung's Medicare patients, 2024
- High cholesterol60%
- High blood pressure53%
- Arthritis39%
- Osteoporosis36%
- Mood disorders20%
- Anxiety18%
- Cancer18%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
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 73
Patient panel by sex, all payers
- Women87%
- Men13%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jay Chung wrote 338 Medicare Part D claims in 2020
In 2020, Dr. Chung wrote 338 Medicare Part D claims. They cover 14 drugs, with $221,846 in total drug cost. In 2019, CMS named 1,665 claims across 44 drugs.
Dr. Chung's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,6652020: 33880%
Drugs named by CMS: 14 in 2020, 44 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Jay Chung takes part in Medicare
Dr. Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jay Chung received $435 in industry payments from 2016 to 2018
CMS Open Payments shows 6 general payments to Dr. Chung from 6 drug and device companies from 2016 to 2018. Travel and lodging make up the largest share, 78% of the total. Intuitive Surgical, Inc. paid the most, $339.
General payments to Dr. Chung by program year, 2016 to 2018
General payments to Dr. Chung by kind, 2016 to 2018
- Travel and lodging$33978%
- Food and beverage$9522%
Companies that paid Dr. Chung 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. Jay Chung graduated from University of Texas Medical School at Houston
Dr. Chung graduated from University of Texas Medical School at Houston in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jay 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Jay 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. Jay Chung's NPI number?
Dr. Jay Chung's NPI number is 1760588305. It was assigned on September 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jay Chung?
Dr. Jay Chung is a rheumatologist in Eureka, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Jay Chung practice?
Dr. Chung practices at 2700 Dolbeer St, Eureka, CA 95501. Dr. Chung's primary practice is St Joseph Hospital Orange in Eureka, California. Dmand AI also links Dr. Chung to 1 group practice or clinic and 1 medical group.
What is Dr. Jay Chung's office phone number?
The practice phone on file for Dr. Chung is (714) 633-9111.
What is Dr. Jay Chung's medical license number?
Dr. Chung holds Nevada license 12393, one of the licenses on file in 2 states.
Which states has Dr. Jay Chung been licensed in?
Dmand AI has state licenses on file for Dr. Chung in Nevada and California.
Which hospitals is Dr. Jay Chung affiliated with?
Dr. Chung is affiliated with Providence St. Joseph Hospital Eureka.
What medical group is Dr. Jay Chung part of?
Dr. Chung is linked to St. Jude Heritage Medical Group. Dmand AI links Dr. Chung to 1 more medical group.
Does Dr. Jay Chung accept Medicare?
Yes. CMS data shows Dr. Chung billed Medicare for 1,344 services in 2024, and Dr. Chung accepts Medicare assignment.
How many Medicare patients does Dr. Jay Chung see?
CMS counts 1,298 Medicare patients who saw Dr. Chung in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Jay Chung bill to Medicare?
In 2024, Dr. Chung's most billed Medicare services were radiation oncology (77080) and radiation oncology (77081).
Where did Dr. Jay Chung go to medical school?
Dr. Chung graduated from University of Texas Medical School at Houston in 1993.
What drugs does Dr. Jay Chung prescribe most?
In 2020 Medicare Part D data, Dr. Chung's most prescribed drugs by claims were Methotrexate, Prednisone and Atorvastatin Calcium.
Has Dr. Jay Chung received payments from drug or device companies?
CMS Open Payments shows $435 in general payments to Dr. Chung from 6 companies from 2016 to 2018. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Jay Chung been practicing?
Dr. Chung graduated from medical school in 1993, 33 years ago.
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