Dr. Hyunseok Kang, MD

  • Stanford, CA
  • Hematologist and oncologist
NPI1316108509PAC ID3870727738
Medicare services, 2024
363
Medicare patients, 2024
135
Part D claims, 2024
209
Publications
72
Clinical trials
14
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 11 affiliations

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Dr. Hyunseok Kang is a hematologist and oncologist in Stanford, California

Dr. Kang practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Kang's NPI, 1316108509, was assigned on June 19, 2008. Dr. Kang graduated from Yonsei University College of Medicine in 2002. Dr. Kang's California license number on file is C156305.

NPI and contact details
Medicare PAC ID
3870727738
NPI enumeration date
June 19, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Hyunseok Kang practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Kang's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Hyunseok Kang is affiliated with 5 sites of care and 6 medical groups

Dr. Kang's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Kang is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Kang to 3 more hospitals and 5 medical groups, each named with a free account. Dr. Kang's employer is on file too: a hospital.

See all 11 affiliations for Dr. Kang

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

Dmand AI tracks the EHR system at Dr. Hyunseok Kang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kang practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+4 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Kang practices

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Dr. Hyunseok Kang is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Kang's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Kang is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Kang's licenses on file in 3 states: California, Maryland and Georgia.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense C156305 · 2018 to 2025 · taxonomy 207RH0003X
  • Maryland licenseLicense D76615 · 2013 to 2018
  • Georgia license2011 to 2017

Clinical focus

Dmand AI lists breast cancer, chronic leukemia, lung cancer and lymphoma among the conditions Dr. Kang treats.

Hematologists and oncologists near Dr. Kang

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. Hyunseok Kang billed Medicare for 363 services in 2024

CMS data shows 363 Medicare services from Dr. Kang across 3 procedure codes in 2024, all of them office visits, for 135 Medicare patients. Medicare paid $42,557 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024363
Medicare patients135
Paid by Medicare$42,557
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 3762024: 3633%

Dr. Kang compared with the California median for hematologists and oncologists, 2024

  • Dr. Kang
  • California median
Medicare services
363vs 93261% below
Medicare patients
135vs 22540% below
Part D claims
143vs 39464% below

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Kang'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. Kang

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

Dr. Hyunseok Kang treated 135 Medicare patients in 2024, average age 72

CMS counts 135 Medicare patients who saw Dr. Kang in 2024. The largest group is 65 to 74, with 66 patients. 62% of them have high blood pressure, and 56% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.39, 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. Kang's median patient age at 69, with 40% women.

Medicare patients, 2024135
Average age72
Average risk score2.39
Also on Medicaid32%

Dr. Kang's Medicare patients by age, 2024

Dr. Kang's Medicare patients by sex, 2024

  • Women4735%
  • Men8865%

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

  1. High blood pressure62%
  2. High cholesterol56%
  3. Arthritis34%
  4. Mood disorders29%
  5. Cancer25%
  6. Anxiety24%
  7. Depression24%
  8. Chronic kidney disease22%

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

Dr. Kang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women40%
  • Men60%

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

Dr. Hyunseok Kang wrote 209 Medicare Part D claims in 2024

In 2024, Dr. Kang wrote 209 Medicare Part D claims for 58 patients. 61% of them were for generic drugs. CMS names the drug for 143 of them, across 7 drugs with 11 or more claims each, at $1,034,503 in total drug cost. In 2023, CMS named 176 claims across 7 drugs.

Part D claims, 2024209
Drugs named by CMS7
Total drug cost$1M
Part D patients58

Dr. Kang's Part D claims by kind of drug, 2024

  • Generic128 claims61%
  • Brand-name81 claims39%

Dr. Kang'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1762024: 14319%

Drugs named by CMS: 7 in 2024, 7 in 2023.

See all prescribing by Dr. Kang

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. Hyunseok Kang scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Kang for performance year 2024, reported as part of a group. Dr. Kang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kang as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Kang's MIPS scores, performance year 2024

  • 100of 100Final score
  • 95of 100Quality
  • 40of 100Improvement Activities
  • 81of 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. Hyunseok Kang has 72 publications on record

Dmand AI links 72 papers to Dr. Kang, published from 2010 to 2025. 2018 was the busiest year, with 12. The most frequent topics are Head and Neck Neoplasms, Carcinoma, Squamous Cell and Squamous Cell Carcinoma of Head and Neck. Dr. Kang has published most often in Laryngoscope. Dr. Kang's most frequent co-authors are Harry Quon, MD, Carole Fakhry, MD and Patrick Ha, MD.

Papers72
Years published2010 to 2025

Dr. Kang's papers by year, 2016 to 2025

Topics Dr. Kang writes about most

  • Head and Neck Neoplasms
  • Carcinoma, Squamous Cell
  • Squamous Cell Carcinoma of Head and Neck
  • Salivary Gland Neoplasms
  • Papillomavirus Infections
  • Antibodies, Monoclonal, Humanized
  • Neoplasm Metastasis
  • Oropharyngeal Neoplasms

Dr. Kang's most frequent co-authors

Recent publications by Dr. Kang

See all 72 publications and co-authors

See who Dr. Kang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kang works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Hyunseok Kang has worked on 14 clinical trials

Dmand AI links Dr. Kang to 14 clinical trials, 7 of them phase 2 studies. 6 are still active or recruiting. Conditions studied include Carcinoma, Adenoid Cystic, Squamous Cell Carcinoma of Head and Neck and Adenocarcinoma. Hyunseok Kang, MD sponsors the most, 2.

Clinical trials with Dr. Kang by phase

  1. 5Phase 1: 5 trials
  2. 1Phase 1/2: 1 trial
  3. 7Phase 2: 7 trials
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Kang's trials

  • Carcinoma, Adenoid Cystic
  • Squamous Cell Carcinoma of Head and Neck
  • Adenocarcinoma
  • Carcinoma, Squamous Cell
  • Carcinoma, Medullary

Investigators on the most trials with Dr. Kang

Recent clinical trials with Dr. Kang

See all 14 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Hyunseok Kang received $60,393 in industry payments from 2016 to 2024

CMS Open Payments shows 69 general payments to Dr. Kang from 18 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 50% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $22,298.

General payments to Dr. Kang by program year, 2016 to 2024

General payments to Dr. Kang by kind, 2016 to 2024

$60.4Kin total
  • Consulting fees$30,02650%
  • Speaker and faculty fees$13,26022%
  • Travel and lodging$12,21220%
  • Food and beverage$2,4844%
  • Other$2,4124%

Companies that paid Dr. Kang the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Kang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Hyunseok Kang has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Kang, most recently CMS Stage 1 EHR in 2015. Dr. Kang serves on Oral Head and Neck Site Committee UCSF Helen Diller Comprehensive Comprehensive Cancer Center, Protocol Review Committee UCSF Helen Diller Family Comprehensive Cancer Center and Membership Committee Society for Immunotherapy of Cancer.

Awards and honors for Dr. Kang

  1. 2015
    • CMS Stage 1 EHR
  2. 2014
    • ACP Fellow

Dr. Kang's committees and leadership roles

Oral Head and Neck Site Committee UCSF Helen Diller Comprehensive Comprehensive Cancer CenterChair
2024 to present
Protocol Review Committee UCSF Helen Diller Family Comprehensive Cancer CenterMember
2022 to present
Membership Committee Society for Immunotherapy of CancerMember
2019 to present
Educational Committee The Sidney Kimmel Comprehensive Cancer Center at Johns HopkinsCo-director of Oncology Grand Rounds
2015 to 2018
Safety Monitoring Committee The Sidney Kimmel Comprehensive Cancer Center at Johns HopkinsMember
2015 to 2018

Source: Dmand AI Professional Profile Data

Dr. Hyunseok Kang graduated from Yonsei University College of Medicine

Dr. Kang graduated from Yonsei University College of Medicine in 2002. Dr. Kang is a member of AACR, ACP, AMA, ASCO, ATA and International Thyroid Oncology Group (ITOG).

  1. Medical schoolYonsei University College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Hyunseok Kang accepts plans from 8 insurance carriers

Dr. Kang is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Kang accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO4
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Hyunseok Kang'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)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Hyunseok Kang

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. Hyunseok Kang's NPI number?

Dr. Hyunseok Kang's NPI number is 1316108509. It was assigned on June 19, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Hyunseok Kang?

Dr. Hyunseok Kang is a hematologist and oncologist in Stanford, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Hyunseok Kang practice?

Dr. Kang practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Kang's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Kang to 3 hospitals and 5 medical groups.

What is Dr. Hyunseok Kang's office phone number?

The practice phone on file for Dr. Kang is (650) 723-4000.

What is Dr. Hyunseok Kang's medical license number?

Dr. Kang's California license number on file is C156305, one of the licenses on file in 3 states.

Which states has Dr. Hyunseok Kang been licensed in?

Dmand AI has state licenses on file for Dr. Kang in California (2018 to 2025), Maryland (2013 to 2018) and Georgia (2011 to 2017).

Which hospitals is Dr. Hyunseok Kang affiliated with?

Dr. Kang practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Kang is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Kang to 3 more hospitals.

What medical group is Dr. Hyunseok Kang part of?

Dr. Kang is linked to UCSF Medical Group. Dmand AI links Dr. Kang to 5 more medical groups.

Does Dr. Hyunseok Kang accept Medicare?

Yes. CMS data shows Dr. Kang billed Medicare for 363 services in 2024, and Dr. Kang accepts Medicare assignment.

Does Dr. Hyunseok Kang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kang as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Hyunseok Kang's MIPS score?

Dr. Kang's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Hyunseok Kang see?

CMS counts 135 Medicare patients who saw Dr. Kang in 2024, with an average age of 72.

Is Dr. Hyunseok Kang board certified?

Yes. Dr. Kang is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Hyunseok Kang bill to Medicare?

In 2024, Dr. Kang's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, new patient (99205).

Where did Dr. Hyunseok Kang go to medical school?

Dr. Kang graduated from Yonsei University College of Medicine in 2002.

What drugs does Dr. Hyunseok Kang prescribe most?

In 2024 Medicare Part D data, Dr. Kang's most prescribed drugs by claims were Ondansetron HCl, Prochlorperazine Maleate and Mekinist.

Has Dr. Hyunseok Kang received payments from drug or device companies?

CMS Open Payments shows $60,393 in general payments to Dr. Kang from 18 companies from 2016 to 2024. The largest total came from Bayer HealthCare Pharmaceuticals Inc.

How long has Dr. Hyunseok Kang been practicing?

Dr. Kang graduated from medical school in 2002, 24 years ago.

Does Dr. Hyunseok Kang do research?

Dmand AI links 72 publications to Dr. Kang, published from 2010 to 2025. Dr. Kang has worked on 14 clinical trials.

Who does Dr. Hyunseok Kang publish with?

Dr. Kang's most frequent co-authors are Harry Quon, MD (10 shared papers), Carole Fakhry, MD (9 shared papers) and Patrick Ha, MD (9 shared papers).

What insurance does Dr. Hyunseok Kang accept?

Dr. Kang is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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