Dr. David K. Chun, MD
- Medicare services, 2024
- 335
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 2,244
- Hospital affiliations
- 2
- Industry payments
- $817
- Practice address
- 722 Baker St, Costa Mesa, CA 92626
- Practice phone
- Call (877) 696-3622
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorialcare Medical Foundation
Costa Mesa, California
Find Dr. Chun'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. David K. Chun is a family medicine physician in Costa Mesa, California
Dr. Chun practices at Memorialcare Medical Foundation in Costa Mesa, California.
Dr. Chun's NPI, 1932199213, was assigned on October 26, 2005. Dr. Chun graduated from New York Medical College in 1996. Dr. Chun holds California license A65328.
- NPI
- 1932199213NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103818703
- NPI enumeration date
- October 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (877) 696-3622
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David K. Chun practices at Memorialcare Medical Foundation in Costa Mesa, California
Dr. Chun's primary practice is Memorialcare Medical Foundation, at 722 Baker St, Costa Mesa, CA 92626 in Orange County. The practice phone is (877) 696-3622.
- Memorialcare Medical Foundation722 Baker St, Costa Mesa, CA 92626 · Orange CountyPhone(877) 696-3622
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David K. Chun is affiliated with 5 sites of care and 2 medical groups
Dr. Chun's primary practice is Memorialcare Medical Foundation in Costa Mesa, California. Dr. Chun is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is MemorialCare Medical Group. Dmand AI also links Dr. Chun to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David K. Chun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chun practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorialcare Medical Foundation | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David K. Chun is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chun's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chun is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Chun
Counts of family medicine physicians 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. David K. Chun billed Medicare for 335 services in 2024
CMS data shows 335 Medicare services from Dr. Chun across 7 procedure codes in 2024, for 84 Medicare patients. Medicare paid $10,809 for them. Every service was in an office.
Dr. Chun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1082024: 13525%
- Surgery
- 2023: 852024: 10018%
- Other services
- 2023: 482024: 8883%
- Tests and treatments
- 2023: 02024: 12
Dr. Chun compared with the California median for family medicine physicians, 2024
- Dr. Chun
- California median
- Medicare services
- 335vs 24636% above
- Medicare patients
- 84vs 11829% below
- Part D claims
- 1,804vs 8332.2 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Chun'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chun and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David K. Chun treated 84 Medicare patients in 2024, average age 75
CMS counts 84 Medicare patients who saw Dr. Chun in 2024. The largest group is 65 to 74, with 44 patients. 71% of them have high blood pressure, and 70% have high cholesterol. 14% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chun's median patient age at 55, with 36% women.
Dr. Chun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chun's Medicare patients by sex, 2024
- Women3238%
- Men5262%
Chronic conditions among Dr. Chun's Medicare patients, 2024
- High blood pressure71%
- High cholesterol70%
- Arthritis23%
- Diabetes23%
- Chronic kidney disease21%
- Depression21%
- Mood disorders21%
- Ischemic heart disease14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women36%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David K. Chun wrote 2,244 Medicare Part D claims in 2024
In 2024, Dr. Chun wrote 2,244 Medicare Part D claims for 245 patients. 92% of them were for generic drugs. CMS names the drug for 1,804 of them, across 40 drugs with 11 or more claims each, at $72,318 in total drug cost. In 2023, CMS named 1,548 claims across 38 drugs.
Dr. Chun's Part D claims by kind of drug, 2024
- Generic2,070 claims92%
- Brand-name and other174 claims8%
Dr. Chun'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. Chun's Part D claims, 2024
- Antibiotics1%20 of 2,244 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: 1,5482024: 1,80417%
Drugs named by CMS: 40 in 2024, 38 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
Dr. David K. Chun offers telehealth to Medicare patients
Dr. Chun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chun as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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. David K. Chun received $817 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Chun from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $137.
General payments to Dr. Chun by program year, 2016 to 2025
Companies that paid Dr. Chun the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David K. Chun graduated from New York Medical College
Dr. Chun graduated from New York Medical College in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David K. Chun'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 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)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) |
| 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. David K. Chun
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. David K. Chun's NPI number?
Dr. David K. Chun's NPI number is 1932199213. It was assigned on October 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David K. Chun?
Dr. David K. Chun is a family medicine physician in Costa Mesa, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David K. Chun practice?
Dr. Chun practices at 722 Baker St, Costa Mesa, CA 92626. Dr. Chun's primary practice is Memorialcare Medical Foundation in Costa Mesa, California. Dmand AI also links Dr. Chun to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. David K. Chun's office phone number?
The practice phone on file for Dr. Chun is (877) 696-3622.
What is Dr. David K. Chun's medical license number?
Dr. Chun holds California license A65328.
Which hospitals is Dr. David K. Chun affiliated with?
Dr. Chun is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Dr. Chun to 1 more hospital.
What medical group is Dr. David K. Chun part of?
Dr. Chun is linked to MemorialCare Medical Group. Dmand AI links Dr. Chun to 1 more medical group.
Does Dr. David K. Chun accept Medicare?
Yes. CMS data shows Dr. Chun billed Medicare for 335 services in 2024, and Dr. Chun accepts Medicare assignment.
Does Dr. David K. Chun offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chun as offering telehealth services.
How many Medicare patients does Dr. David K. Chun see?
CMS counts 84 Medicare patients who saw Dr. Chun in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. David K. Chun bill to Medicare?
In 2024, Dr. Chun's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. David K. Chun go to medical school?
Dr. Chun graduated from New York Medical College in 1996.
What drugs does Dr. David K. Chun prescribe most?
In 2024 Medicare Part D data, Dr. Chun's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Tamsulosin HCl.
Has Dr. David K. Chun received payments from drug or device companies?
CMS Open Payments shows $817 in general payments to Dr. Chun from 13 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. David K. Chun been practicing?
Dr. Chun graduated from medical school in 1996, 30 years ago.
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