Dr. Aaron C. Jun, MD

  • San Bernardino, CA
  • Diagnostic radiologist
NPI1033194253PAC ID5496773061
Medicare services, 2024
2,635
Medicare patients, 2024
2,274
Hospital affiliations
13
Medical groups
52
Insurance carriers
27
Practice address
2101 N Waterman Ave, San Bernardino, CA 92404
Practice phone
Call (909) 883-8711
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dignity Health - St. Bernardine Medical Center

Hospital · San Bernardino, California

See all 77 affiliations

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Dr. Aaron C. Jun is a diagnostic radiologist in San Bernardino, California

Dr. Jun practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health.

Dr. Jun's NPI, 1033194253, was assigned on December 9, 2005. Dr. Jun graduated from Saint Louis University School Of Medicine in 1998. Dr. Jun holds California license A81322.

NPI and contact details
Medicare PAC ID
5496773061
NPI enumeration date
December 9, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 883-8711
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Aaron C. Jun practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California

Dr. Jun's primary practice is Dignity Health - St. Bernardine Medical Center, at 2101 N Waterman Ave, San Bernardino, CA 92404 in San Bernardino County. The practice phone is (909) 883-8711.

Source: Dmand AI Affiliation Data

Dr. Aaron C. Jun is affiliated with 25 sites of care and 52 medical groups

Dr. Jun's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dr. Jun is also affiliated with Christiana Hospital. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Jun to 11 more hospitals, 51 medical groups and 12 group practices and clinics, each named with a free account.

See all 77 affiliations for Dr. Jun

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Aaron C. Jun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jun practices, 25 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health - St. Bernardine Medical CenterAvailable with a free account
+24 more sites and 51 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aaron C. Jun is one of 4,096 diagnostic radiologists in California

Diagnostic radiology is Dr. Jun's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Jun is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Jun's licenses on file in 15 states: California, New Mexico, Arizona, Delaware, New York, Tennessee, Alaska, Florida, Illinois, Kentucky, Massachusetts, Michigan, Missouri, North Carolina and Nebraska.

Specialties and state licenses

  • Diagnostic radiology, CaliforniaPrimaryLicense A81322 · 2002 to 2026 · taxonomy 2085R0202X
  • New Mexico license2010 to 2028
  • Arizona license2006 to 2027
  • Delaware licenseLicense C1-0025771 · 2023 to 2027
  • New York license2019 to 2027
  • Tennessee license2005 to 2027
  • Alaska license2012 to 2026
  • Florida license2019 to 2026
  • Illinois license2009 to 2026
  • Kentucky license2010 to 2026
  • Massachusetts license2005 to 2026
  • Michigan license2007 to 2026
  • Missouri license2019 to 2026
  • North Carolina license2007 to 2026
  • Nebraska license2006 to 2026

Diagnostic radiologists near Dr. Jun

Counts of diagnostic radiologists 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. Aaron C. Jun billed Medicare for 2,635 services in 2024

CMS data shows 2,635 Medicare services from Dr. Jun across 39 procedure codes in 2024, for 2,274 Medicare patients. Medicare paid $65,941 for them.

Medicare services, 20242,635
Medicare patients2,274
Paid by Medicare$65,941
Procedure codes39

Dr. Jun's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 2,0732024: 2,58225%
Tests and treatments
2023: 312024: 5371%

Where Dr. Jun's Medicare services took place, 2024

  • In an office181%
  • In a facility2,61799%

Dr. Jun compared with the California median for diagnostic radiologists, 2024

  • Dr. Jun
  • California median
Medicare services
2,635vs 2,28116% above
Medicare patients
2,274vs 1,34669% above

Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.

Dr. Jun'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.

See all procedures by Dr. Jun

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Aaron C. Jun treated 2,274 Medicare patients in 2024, average age 73

CMS counts 2,274 Medicare patients who saw Dr. Jun in 2024. The largest group is 65 to 74, with 789 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.30, 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. Jun's median patient age at 57, with 54% women.

Medicare patients, 20242,274
Average age73
Average risk score2.30
Also on Medicaid50%

Dr. Jun's Medicare patients by age, 2024

Dr. Jun's Medicare patients by sex, 2024

  • Women1,22354%
  • Men1,05146%

Chronic conditions among Dr. Jun's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis55%
  4. Diabetes50%
  5. Mood disorders42%
  6. Ischemic heart disease41%
  7. Chronic kidney disease40%
  8. Heart failure39%

Share of Medicare patients with each condition. A patient can have several.

Dr. Jun'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

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Dr. Aaron C. Jun takes part in Medicare

Dr. Jun 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. Aaron C. Jun graduated from Saint Louis University School Of Medicine

Dr. Jun graduated from Saint Louis University School Of Medicine in 1998.

  1. Medical schoolSaint Louis University School Of Medicine
  2. Board certified in diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Aaron C. Jun accepts plans from 27 insurance carriers

Dr. Jun is in network with 27 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • United Healthcare
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • +19 more carriersWith a free account

Plan types Dr. Jun accepts, by number of carriers

  1. PPO15
  2. HMO11
  3. Medicare10
  4. POS8
  5. EPO5
  6. Medicaid5

Source: Dmand AI Insurance Network Data

Sources for Dr. Aaron C. Jun's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Aaron C. Jun

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. Aaron C. Jun's NPI number?

Dr. Aaron C. Jun's NPI number is 1033194253. It was assigned on December 9, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Aaron C. Jun?

Dr. Aaron C. Jun is a diagnostic radiologist in San Bernardino, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Aaron C. Jun practice?

Dr. Jun practices at 2101 N Waterman Ave, San Bernardino, CA 92404. Dr. Jun's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dmand AI also links Dr. Jun to 11 hospitals, 51 medical groups and 12 group practices and clinics.

What is Dr. Aaron C. Jun's office phone number?

The practice phone on file for Dr. Jun is (909) 883-8711.

What is Dr. Aaron C. Jun's medical license number?

Dr. Jun holds California license A81322, one of the licenses on file in 15 states.

Which states has Dr. Aaron C. Jun been licensed in?

Dmand AI has state licenses on file for Dr. Jun in California (2002 to 2026), New Mexico (2010 to 2028), Arizona (2006 to 2027), Delaware (2023 to 2027), New York (2019 to 2027), Tennessee (2005 to 2027), Alaska (2012 to 2026), Florida (2019 to 2026), Illinois (2009 to 2026), Kentucky (2010 to 2026), Massachusetts (2005 to 2026), Michigan (2007 to 2026), Missouri (2019 to 2026), North Carolina (2007 to 2026) and Nebraska (2006 to 2026).

Which hospitals is Dr. Aaron C. Jun affiliated with?

Dr. Jun practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California. Dr. Jun is also affiliated with Christiana Hospital. Dmand AI links Dr. Jun to 11 more hospitals.

What medical group is Dr. Aaron C. Jun part of?

Dr. Jun is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Jun to 51 more medical groups.

Does Dr. Aaron C. Jun accept Medicare?

Yes. CMS data shows Dr. Jun billed Medicare for 2,635 services in 2024, and Dr. Jun accepts Medicare assignment.

How many Medicare patients does Dr. Aaron C. Jun see?

CMS counts 2,274 Medicare patients who saw Dr. Jun in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

Is Dr. Aaron C. Jun board certified?

Yes. Dr. Jun is board certified in diagnostic radiology by the American Board of Radiology.

What services does Dr. Aaron C. Jun bill to Medicare?

In 2024, Dr. Jun's most billed Medicare services were diagnostic imaging (70450), diagnostic imaging (71045) and diagnostic imaging (72125).

Where did Dr. Aaron C. Jun go to medical school?

Dr. Jun graduated from Saint Louis University School Of Medicine in 1998.

How long has Dr. Aaron C. Jun been practicing?

Dr. Jun graduated from medical school in 1998, 28 years ago.

What insurance does Dr. Aaron C. Jun accept?

Dr. Jun is in network with 27 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

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