Dr. Debby Chung, MD
- Medicare services, 2024
- 20
- Medicare patients, 2024
- 24
- Part D claims, 2022
- 15
- Publications
- 1
- MIPS score, 2024
- 39
- Practice address
- 1050 Linden Ave, Long Beach, CA 90813
- Practice phone
- Call (562) 491-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Debby Chung is an internist in Long Beach, California
Dr. Chung practices at Dignity Health - St. Mary Medical Center in Long Beach, California, part of CommonSpirit Health.
Dr. Chung's NPI, 1235608316, was assigned on November 18, 2018. Dr. Chung graduated from The University of Queensland Medical School in 2019. Dr. Chung holds California license PTL1237.
- NPI
- 1235608316NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325415391
- NPI enumeration date
- November 18, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 491-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Debby Chung practices at Dignity Health - St. Mary Medical Center in Long Beach, California
Dr. Chung's primary practice is Dignity Health - St. Mary Medical Center, at 1050 Linden Ave, Long Beach, CA 90813 in Los Angeles County. The practice phone is (562) 491-9000.
- Dignity Health - St. Mary Medical Center1050 Linden Ave, Long Beach, CA 90813 · Los Angeles CountyPhone(562) 491-9000
Source: Dmand AI Affiliation Data
Dr. Debby Chung is affiliated with 2 sites of care and 3 medical groups
Dr. Chung's primary practice is Dignity Health - St. Mary Medical Center in Long Beach, California, part of CommonSpirit Health. Dr. Chung is also affiliated with Temecula Valley Hospital. The medical group on file is Inpatient Specialist of California PC. Dmand AI also links Dr. Chung to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Debby 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 |
|---|---|
| Dignity Health - St. Mary Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Debby Chung is one of 16,751 internists in California
Internal medicine is Dr. Chung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chung is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chung is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, cardiac arrhythmia, congestive heart failure, electrolyte disorders, gastrointestinal inflammation, sepsis and traumatic coma among the conditions Dr. Chung treats.
Internists near Dr. Chung
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. Debby Chung billed Medicare for 20 services in 2024
CMS data shows 20 Medicare services from Dr. Chung across 1 procedure code in 2024, for 24 Medicare patients. Medicare paid $1,300 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 592024: 2066%
Dr. Chung compared with the California median for internists, 2024
- Dr. Chung
- California median
- Medicare services
- 20vs 36194% below
- Medicare patients
- 24vs 15184% below
- Part D claims
- 15vs 42196% below
Medians across 15,815 internists 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.
Need commercial claims for Dr. Chung?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chung and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Debby Chung treated 24 Medicare patients in 2024, average age 74
CMS counts 24 Medicare patients who saw Dr. Chung in 2024. 75% of them have arthritis, and 75% have diabetes. Their average risk score is 3.71, 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. Chung's median patient age at 66, with 51% women.
Dr. Chung's Medicare patients by sex, 2024
- Women1146%
- Men1354%
Chronic conditions among Dr. Chung's Medicare patients, 2024
- Arthritis75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Depression63%
- Heart failure63%
- Mood disorders63%
- Anxiety58%
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 66
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Debby Chung wrote 15 Medicare Part D claims in 2022
In 2022, Dr. Chung wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $143 in total drug cost.
Dr. Chung's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Debby Chung scored 39 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 39 out of 100 for Dr. Chung for performance year 2024, reported as part of a group. Dr. Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chung's MIPS scores, performance year 2024
- 39of 100Final score
- 20.1of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Debby Chung has 1 publication on record
Dmand AI links 1 paper to Dr. Chung.
Recent publications by Dr. Chung
See who Dr. Chung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chung 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. Debby Chung received $825 in industry payments from 2024 to 2025
CMS Open Payments shows 17 general payments to Dr. Chung from 11 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $301.
General payments to Dr. Chung by program year, 2024 to 2025
Companies that paid Dr. Chung the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Debby Chung graduated from The University of Queensland Medical School
Dr. Chung graduated from The University of Queensland Medical School in 2019.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Debby Chung accepts plans from 5 insurance carriers
Dr. Chung is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Chung accepts, by number of carriers
- Medicare5
- PPO4
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Debby 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 |
| 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. Debby 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. Debby Chung's NPI number?
Dr. Debby Chung's NPI number is 1235608316. It was assigned on November 18, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Debby Chung?
Dr. Debby Chung is an internist in Long Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Debby Chung practice?
Dr. Chung practices at 1050 Linden Ave, Long Beach, CA 90813. Dr. Chung's primary practice is Dignity Health - St. Mary Medical Center in Long Beach, California, part of CommonSpirit Health. Dmand AI also links Dr. Chung to 2 medical groups.
What is Dr. Debby Chung's office phone number?
The practice phone on file for Dr. Chung is (562) 491-9000.
What is Dr. Debby Chung's medical license number?
Dr. Chung holds California license PTL1237.
Which hospitals is Dr. Debby Chung affiliated with?
Dr. Chung practices at Dignity Health - St. Mary Medical Center in Long Beach, California. Dr. Chung is also affiliated with Temecula Valley Hospital.
What medical group is Dr. Debby Chung part of?
Dr. Chung is linked to Inpatient Specialist of California PC. Dmand AI links Dr. Chung to 2 more medical groups.
Does Dr. Debby Chung accept Medicare?
Yes. CMS data shows Dr. Chung billed Medicare for 20 services in 2024, and Dr. Chung accepts Medicare assignment.
What is Dr. Debby Chung's MIPS score?
Dr. Chung's MIPS final score for performance year 2024 is 39 out of 100, reported as part of a group.
How many Medicare patients does Dr. Debby Chung see?
CMS counts 24 Medicare patients who saw Dr. Chung in 2024, with an average age of 74.
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Is Dr. Debby Chung board certified?
Yes. Dr. Chung is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Debby Chung bill to Medicare?
In 2024, Dr. Chung's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Debby Chung go to medical school?
Dr. Chung graduated from The University of Queensland Medical School in 2019.
What drugs does Dr. Debby Chung prescribe most?
In 2022 Medicare Part D data, Dr. Chung's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Debby Chung received payments from drug or device companies?
CMS Open Payments shows $825 in general payments to Dr. Chung from 11 companies from 2024 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Debby Chung been practicing?
Dr. Chung graduated from medical school in 2019, 7 years ago.
Does Dr. Debby Chung do research?
Dmand AI links 1 publication to Dr. Chung.
What insurance does Dr. Debby Chung accept?
Dr. Chung is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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