Antineoplastic AgentsBlood CellsCell Death
Dr. Hyun Don Yun, MD
NPI1508090473PAC ID8921254996
- Medicare services, 2022
- 59
- Part D claims, 2022
- 76
- Publications
- 3
- Hospital affiliations
- 3
- Industry payments
- $7,302
- Practice address
- 5901 E. Seventh Street, Long Beach, CA 90822
- Practice phone
- Call (562) 826-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yun'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. Hyun Don Yun is a hematologist and oncologist in Long Beach, California
Dr. Yun practices at Tibor Rubin VA Medical Center in Long Beach, California, part of Veterans Health Administration.
Dr. Yun's NPI, 1508090473, was assigned on May 7, 2009. Dr. Yun graduated from Pusan National University College of Medicine in 2005. Dr. Yun holds California license A172166.
NPI and contact details
- NPI
- 1508090473NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921254996
- NPI enumeration date
- May 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 826-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hyun Don Yun practices at Tibor Rubin VA Medical Center in Long Beach, California
Dr. Yun's primary practice is Tibor Rubin VA Medical Center, at 5901 E. Seventh Street, Long Beach, CA 90822 in Los Angeles County. The practice phone is (562) 826-8000.
- Tibor Rubin VA Medical Center5901 E. Seventh Street, Long Beach, CA 90822 · Los Angeles CountyPhone(562) 826-8000
Source: Dmand AI Affiliation Data
Dr. Hyun Don Yun is affiliated with 4 sites of care and 4 medical groups
Dr. Yun's primary practice is Tibor Rubin VA Medical Center in Long Beach, California, part of Veterans Health Administration. Dr. Yun is also affiliated with UnityPoint Health - Trinity Rock Island. The medical group on file is Rush University Internists. Dmand AI also links Dr. Yun to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account. Dr. Yun's employer is on file too: a hospital.
UnityPoint Health - Trinity Rock IslandRush University Internists1 hospitalName with a free account3 medical groupsNames with a free account1 group practice or clinicName with a free accountEmployer: hospitalName with a free account
See all 8 affiliations for Dr. YunSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hyun Don Yun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yun practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tibor Rubin VA Medical Center | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hyun Don Yun is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Yun's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Yun is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Yun's licenses on file in 7 states: California, New Mexico, Illinois, Ohio, Washington, Minnesota and Georgia.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
- New Mexico license
- Illinois license
- Ohio license
- Washington license
- Minnesota license
- Georgia license
Hematologists and oncologists near Dr. Yun
Counts of hematologists and oncologists 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. Hyun Don Yun billed Medicare for 59 services in 2022
CMS data shows 59 Medicare services from Dr. Yun across 3 procedure codes in 2022. Medicare paid $7,239 for them.
Medicare services, 202259
Paid by Medicare$7,239
Procedure codes3
Dr. Yun's Medicare services by type, 2020 to 2022
- 2020
- 2022
- Office and hospital visits
- 2020: 1662022: 5964%
Where Dr. Yun's Medicare services took place, 2022
- In an office2542%
- In a facility3458%
Dr. Yun compared with the California median for hematologists and oncologists, 2022
- Dr. Yun
- California median
- Medicare services
- 59vs 93294% below
- Part D claims
- 76vs 39481% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Yun's most billed Medicare procedure codes, 2022
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. Yun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yun and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hyun Don Yun's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Yun's median patient age at 62, with 50% women.
Dr. Yun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Hyun Don Yun wrote 76 Medicare Part D claims in 2022
In 2022, Dr. Yun wrote 76 Medicare Part D claims. They cover 5 drugs, with $82,901 in total drug cost. In 2021, CMS named 12 claims across 1 drug.
Part D claims, 202276
Drugs named by CMS5
Total drug cost$82,901
Dr. Yun'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.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 122022: 76533%
Drugs named by CMS: 5 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Hyun Don Yun takes part in Medicare
Dr. Yun 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. Hyun Don Yun has 3 publications on record
Dmand AI links 3 papers to Dr. Yun. Dr. Yun has published most often in Blood Adv. Dr. Yun's most frequent co-authors are Celalettin Ustun, MD, Jason Gotlib, MD, MS and Deborah Ann Katz, MD.
Papers3
Dr. Yun's most frequent co-authors
- Celalettin Ustun, MD2 shared papers
- Jason Gotlib, MD, MS1 shared paper
- Deborah Ann Katz, MD1 shared paper
Recent publications by Dr. Yun
GPI-Linked ProteinsHL-60 CellsInterleukin-15
Aniline CompoundsGranulocyte Precursor CellsLeukemia, Myeloid, Acute
See who Dr. Yun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yun works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hyun Don Yun received $7,302 in industry payments from 2016 to 2025
CMS Open Payments shows 213 general payments to Dr. Yun from 53 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 56% of the total. Daiichi Sankyo Inc. paid the most, $1,433.
General payments to Dr. Yun by program year, 2016 to 2025
General payments to Dr. Yun by kind, 2016 to 2025
$7.3Kin total
- Food and beverage$4,09456%
- Consulting fees$2,25031%
- Honoraria$76010%
- Education$1983%
Companies that paid Dr. Yun 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. Hyun Don Yun graduated from Pusan National University College of Medicine
Dr. Yun graduated from Pusan National University College of Medicine in 2005.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Hyun Don Yun accepts plans from 11 insurance carriers
Dr. Yun is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Highmark. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Highmark
- Cigna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +3 more carriersWith a free account
Plan types Dr. Yun accepts, by number of carriers
- Medicare7
- PPO7
- HMO6
- POS3
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Hyun Don Yun'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 Data |
| 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) |
| 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. Hyun Don Yun
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. Hyun Don Yun's NPI number?
Dr. Hyun Don Yun's NPI number is 1508090473. It was assigned on May 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Hyun Don Yun?
Dr. Hyun Don Yun is a hematologist and oncologist in Long Beach, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Hyun Don Yun practice?
Dr. Yun practices at 5901 E. Seventh Street, Long Beach, CA 90822. Dr. Yun's primary practice is Tibor Rubin VA Medical Center in Long Beach, California, part of Veterans Health Administration. Dmand AI also links Dr. Yun to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is Dr. Hyun Don Yun's office phone number?
The practice phone on file for Dr. Yun is (562) 826-8000.
What is Dr. Hyun Don Yun's medical license number?
Dr. Yun holds California license A172166, one of the licenses on file in 7 states.
Which states has Dr. Hyun Don Yun been licensed in?
Dmand AI has state licenses on file for Dr. Yun in California (2021 to 2027), New Mexico (2024 to 2027), Illinois (2019 to 2026), Ohio (2024 to 2026), Washington (2024 to 2025), Minnesota (2016 to 2019) and Georgia (2012 to 2017).
Which hospitals is Dr. Hyun Don Yun affiliated with?
Dr. Yun practices at Tibor Rubin VA Medical Center in Long Beach, California. Dr. Yun is also affiliated with UnityPoint Health - Trinity Rock Island. Dmand AI links Dr. Yun to 1 more hospital.
What medical group is Dr. Hyun Don Yun part of?
Dr. Yun is linked to Rush University Internists. Dmand AI links Dr. Yun to 3 more medical groups.
Does Dr. Hyun Don Yun accept Medicare?
Yes. CMS data shows Dr. Yun billed Medicare for 59 services in 2022, and Dr. Yun accepts Medicare assignment.
Is Dr. Hyun Don Yun board certified?
Yes. Dr. Yun is board certified in hematology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Hyun Don Yun bill to Medicare?
In 2022, Dr. Yun's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Hyun Don Yun go to medical school?
Dr. Yun graduated from Pusan National University College of Medicine in 2005.
What drugs does Dr. Hyun Don Yun prescribe most?
In 2022 Medicare Part D data, Dr. Yun's most prescribed drugs by claims were Anastrozole, Dexamethasone and Acyclovir.
Has Dr. Hyun Don Yun received payments from drug or device companies?
CMS Open Payments shows $7,302 in general payments to Dr. Yun from 53 companies from 2016 to 2025. The largest total came from Daiichi Sankyo Inc.
How long has Dr. Hyun Don Yun been practicing?
Dr. Yun graduated from medical school in 2005, 21 years ago.
Does Dr. Hyun Don Yun do research?
Dmand AI links 3 publications to Dr. Yun.
Who does Dr. Hyun Don Yun publish with?
Dr. Yun's most frequent co-authors are Celalettin Ustun, MD (2 shared papers), Jason Gotlib, MD, MS (1 shared paper) and Deborah Ann Katz, MD (1 shared paper).
What insurance does Dr. Hyun Don Yun accept?
Dr. Yun is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Highmark. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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