Dr. Eric L. Chun, MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 5,950
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 2103 E Gonzales Rd, Oxnard, CA 93036
- Practice phone
- Call (805) 650-4700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Oxnard, 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. Eric L. Chun is a family medicine physician in Oxnard, California
Dr. Chun practices at Southern California Permanente Medical Group in Oxnard, California.
Dr. Chun's NPI, 1699702381, was assigned on June 27, 2006. Dr. Chun graduated from Keck School of Medicine of USC in 1998. Dr. Chun holds California license A69502.
- NPI
- 1699702381NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537246236
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 650-4700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric L. Chun practices at Southern California Permanente Medical Group in Oxnard, California
Dr. Chun's primary practice is Southern California Permanente Medical Group, at 2103 E Gonzales Rd, Oxnard, CA 93036 in Ventura County. The practice phone is (805) 650-4700.
- Southern California Permanente Medical Group2103 E Gonzales Rd, Oxnard, CA 93036 · Ventura CountyPhone(805) 650-4700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric L. Chun is affiliated with 4 sites of care and 2 medical groups
Dr. Chun's primary practice is Southern California Permanente Medical Group in Oxnard, California. Dr. Chun is also affiliated with Kaiser Permanente Woodland Hills Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Chun to 2 more 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. Eric L. Chun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chun practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric L. 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 board certified in family medicine by the American Board of Family Medicine. Dr. Chun is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, chronic hypertension, chronic kidney disease, fibromyalgia and chronic pain, fluid and electrolyte imbalances, hemorrhoids, high cholesterol and lower back pain among the conditions Dr. Chun treats.
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. Eric L. Chun billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Chun across 1 procedure code in 2024, all of them office visits, for 17 Medicare patients. Medicare paid $731 for them. Every service was in an office.
Dr. Chun's Medicare services by type, 2019 to 2024
- 2019
- 2024
- Office and hospital visits
- 2019: 262024: 1350%
Dr. Chun compared with the California median for family medicine physicians, 2024
- Dr. Chun
- California median
- Medicare services
- 13vs 24695% below
- Medicare patients
- 17vs 11886% below
- Part D claims
- 5,474vs 8336.6 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. Eric L. Chun treated 17 Medicare patients in 2024, average age 66
CMS counts 17 Medicare patients who saw Dr. Chun in 2024. The largest group is 85 and over, with 0 patients. 71% of them have high blood pressure. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chun's median patient age at 57, with 45% women.
Dr. Chun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Chun's Medicare patients, 2024
- High blood pressure71%
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 57
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric L. Chun wrote 5,950 Medicare Part D claims in 2024
In 2024, Dr. Chun wrote 5,950 Medicare Part D claims for 906 patients. 93% of them were for generic drugs. CMS names the drug for 5,474 of them, across 90 drugs with 11 or more claims each, at $150,497 in total drug cost. In 2023, CMS named 5,344 claims across 86 drugs.
Dr. Chun's Part D claims by kind of drug, 2024
- Generic5,515 claims93%
- Brand-name399 claims7%
- Other36 claims1%
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
- Opioids6%338 of 5,950 claims
- Antibiotics2%121 of 5,950 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: 5,3442024: 5,4742%
Drugs named by CMS: 90 in 2024, 86 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
How Dr. Eric L. Chun takes part in Medicare
Dr. Chun 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. Eric L. Chun has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Chun, most recently NCQA DRP in 2015.
Awards and honors for Dr. Chun
- 2015
- NCQA DRP
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Eric L. Chun graduated from Keck School of Medicine of USC
Dr. Chun graduated from Keck School of Medicine of USC in 1998.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Eric L. Chun accepts plans from 2 insurance carriers
Dr. Chun is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chun accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric L. 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Eric L. 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. Eric L. Chun's NPI number?
Dr. Eric L. Chun's NPI number is 1699702381. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric L. Chun?
Dr. Eric L. Chun is a family medicine physician in Oxnard, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Eric L. Chun practice?
Dr. Chun practices at 2103 E Gonzales Rd, Oxnard, CA 93036. Dr. Chun's primary practice is Southern California Permanente Medical Group in Oxnard, California. Dmand AI also links Dr. Chun to 2 group practices and clinics and 1 medical group.
What is Dr. Eric L. Chun's office phone number?
The practice phone on file for Dr. Chun is (805) 650-4700.
What is Dr. Eric L. Chun's medical license number?
Dr. Chun holds California license A69502.
Which hospitals is Dr. Eric L. Chun affiliated with?
Dr. Chun is affiliated with Kaiser Permanente Woodland Hills Medical Center.
What medical group is Dr. Eric L. Chun part of?
Dr. Chun is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Chun to 1 more medical group.
Does Dr. Eric L. Chun accept Medicare?
Yes. CMS data shows Dr. Chun billed Medicare for 13 services in 2024, and Dr. Chun accepts Medicare assignment.
How many Medicare patients does Dr. Eric L. Chun see?
CMS counts 17 Medicare patients who saw Dr. Chun in 2024, with an average age of 66.
Is Dr. Eric L. Chun board certified?
Yes. Dr. Chun is board certified in family medicine by the American Board of Family Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Eric L. Chun bill to Medicare?
In 2024, Dr. Chun's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Eric L. Chun go to medical school?
Dr. Chun graduated from Keck School of Medicine of USC in 1998.
What drugs does Dr. Eric L. Chun prescribe most?
In 2024 Medicare Part D data, Dr. Chun's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
How long has Dr. Eric L. Chun been practicing?
Dr. Chun graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Eric L. Chun accept?
Dr. Chun is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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