Dr. Sung Whan Choi, MD

  • San Francisco, CA
  • Cardiologist
NPI1013917046PAC ID7214981729
Medicare services, 2024
1,747
Medicare patients, 2024
685
Part D claims, 2024
1,531
Publications
6
MIPS score, 2024
100
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 11 affiliations

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Dr. Sung Whan Choi is a cardiologist in San Francisco, California

Dr. Choi practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Choi's NPI, 1013917046, was assigned on August 1, 2005. Dr. Choi graduated from UVA School of Medicine in 1996. Dr. Choi holds California license A88258.

NPI and contact details
Medicare PAC ID
7214981729
NPI enumeration date
August 1, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Sung Whan Choi practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Choi's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Sung Whan Choi is affiliated with 8 sites of care and 3 medical groups

Dr. Choi's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Choi is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Choi to 3 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 11 affiliations for Dr. Choi

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

Dmand AI tracks the EHR system at Dr. Sung Whan Choi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choi practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sung Whan Choi is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Choi is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Choi's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense A88258 · 2004 to 2027 · taxonomy 207RC0000X
  • Massachusetts license1999 to 2005

Clinical focus

Dmand AI lists angioplasty, cardiac catheterization, circulation problems and pacemaker or defibrillator implantation among the conditions Dr. Choi treats.

Cardiologists near Dr. Choi

Counts of cardiologists 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. Sung Whan Choi billed Medicare for 1,747 services in 2024

CMS data shows 1,747 Medicare services from Dr. Choi across 26 procedure codes in 2024, for 685 Medicare patients. Medicare paid $111,456 for them.

Medicare services, 20241,747
Medicare patients685
Paid by Medicare$111,456
Procedure codes26

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

  • 2023
  • 2024
Tests and treatments
2023: 8112024: 72311%
Office and hospital visits
2023: 7322024: 7024%
Other services
2023: 02024: 322

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

  • In an office99257%
  • In a facility75543%

Dr. Choi compared with the California median for cardiologists, 2024

  • Dr. Choi
  • California median
Medicare services
1,747vs 1,56012% above
Medicare patients
685vs 6446% above
Part D claims
1,363vs 1,410Close to median

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Choi'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. Choi

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

Dr. Sung Whan Choi treated 685 Medicare patients in 2024, average age 77

CMS counts 685 Medicare patients who saw Dr. Choi in 2024. The largest group is 75 to 84, with 266 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.88, 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. Choi's median patient age at 76, with 41% women.

Medicare patients, 2024685
Average age77
Average risk score1.88
Also on Medicaid34%

Dr. Choi's Medicare patients by age, 2024

Dr. Choi's Medicare patients by sex, 2024

  • Women33048%
  • Men35552%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease55%
  4. Arthritis44%
  5. Atrial fibrillation43%
  6. Diabetes40%
  7. Heart failure37%
  8. Chronic kidney disease36%

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

Dr. Choi's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women41%
  • Men54%

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

Dr. Sung Whan Choi wrote 1,531 Medicare Part D claims in 2024

In 2024, Dr. Choi wrote 1,531 Medicare Part D claims for 260 patients. 77% of them were for generic drugs. CMS names the drug for 1,363 of them, across 21 drugs with 11 or more claims each, at $384,239 in total drug cost. In 2023, CMS named 1,457 claims across 24 drugs.

Part D claims, 20241,531
Drugs named by CMS21
Total drug cost$384,239
Part D patients260

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

  • Generic1,183 claims77%
  • Brand-name348 claims23%

Dr. Choi'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: 1,4572024: 1,3636%

Drugs named by CMS: 21 in 2024, 24 in 2023.

See all prescribing by Dr. Choi

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. Sung Whan Choi 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. Choi for performance year 2024, reported as part of a group. Dr. Choi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Choi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Choi'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.

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Sung Whan Choi has 6 publications on record

Dmand AI links 6 papers to Dr. Choi, published from 2011 to 2015. The most frequent topics are Disease Models, Animal, Mice, Knockout and Mitochondria. Dr. Choi has published most often in Free Radic Biol Med. Dr. Choi's most frequent co-authors are James Albert Connelly, MD, Daniel Ricardo Couriel, MD and James L M Ferrara, MD.

Papers6
Years published2011 to 2015

Dr. Choi's papers by year, 2011 to 2015

Topics Dr. Choi writes about most

  • Disease Models, Animal
  • Mice, Knockout
  • Mitochondria
  • Oxidative Stress
  • Superoxide Dismutase
  • Synaptosomes

Dr. Choi's most frequent co-authors

Recent publications by Dr. Choi

See all 6 publications and co-authors

See who Dr. Choi researches with

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

How network discovery works

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

Dr. Sung Whan Choi received $13,449 in industry payments from 2016 to 2025

CMS Open Payments shows 215 general payments to Dr. Choi from 29 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 52% of the total. Medtronic Vascular, Inc. paid the most, $7,742.

General payments to Dr. Choi by program year, 2016 to 2025

General payments to Dr. Choi by kind, 2016 to 2025

$13.4Kin total
  • Travel and lodging$6,94852%
  • Food and beverage$6,32247%
  • Speaker and faculty fees$1601%
  • Education$200%

Companies that paid Dr. Choi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Choi

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

Dr. Sung Whan Choi has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Choi, most recently ACC Fellow in 2012.

Awards and honors for Dr. Choi

  1. 2012
    • ACC Fellow
  2. 2010
    • Fellow (FSCAI)
  3. 1995
    • Alpha Omega Alpha
  4. Undated
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Sung Whan Choi graduated from UVA School of Medicine

Dr. Choi graduated from UVA School of Medicine in 1996. Dr. Choi is a member of ACC and SCAI.

  1. Medical schoolUVA School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Sung Whan Choi accepts plans from 11 insurance carriers

Dr. Choi is in network with 11 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +3 more carriersWith a free account

Plan types Dr. Choi accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO4
  4. POS4
  5. EPO3
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Sung Whan Choi'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Sung Whan Choi

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. Sung Whan Choi's NPI number?

Dr. Sung Whan Choi's NPI number is 1013917046. It was assigned on August 1, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Sung Whan Choi?

Dr. Sung Whan Choi is a cardiologist in San Francisco, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Sung Whan Choi practice?

Dr. Choi practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Choi's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Choi to 3 hospitals, 3 group practices and clinics and 2 medical groups.

What is Dr. Sung Whan Choi's office phone number?

The practice phone on file for Dr. Choi is (415) 353-2733.

What is Dr. Sung Whan Choi's medical license number?

Dr. Choi holds California license A88258, one of the licenses on file in 2 states.

Which states has Dr. Sung Whan Choi been licensed in?

Dmand AI has state licenses on file for Dr. Choi in California (2004 to 2027) and Massachusetts (1999 to 2005).

Which hospitals is Dr. Sung Whan Choi affiliated with?

Dr. Choi practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Choi is also affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Choi to 3 more hospitals.

What medical group is Dr. Sung Whan Choi part of?

Dr. Choi is linked to UCSF Pediatrics. Dmand AI links Dr. Choi to 2 more medical groups.

Does Dr. Sung Whan Choi accept Medicare?

Yes. CMS data shows Dr. Choi billed Medicare for 1,747 services in 2024, and Dr. Choi accepts Medicare assignment.

Does Dr. Sung Whan Choi offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Sung Whan Choi's MIPS score?

Dr. Choi'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. Sung Whan Choi see?

CMS counts 685 Medicare patients who saw Dr. Choi in 2024, with an average age of 77.

Is Dr. Sung Whan Choi board certified?

Yes. Dr. Choi is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Sung Whan Choi bill to Medicare?

In 2024, Dr. Choi's most billed Medicare services were medicare service (G2211), heart test or procedure (93010) and heart test or procedure (93306).

Where did Dr. Sung Whan Choi go to medical school?

Dr. Choi graduated from UVA School of Medicine in 1996.

What drugs does Dr. Sung Whan Choi prescribe most?

In 2024 Medicare Part D data, Dr. Choi's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Carvedilol.

Has Dr. Sung Whan Choi received payments from drug or device companies?

CMS Open Payments shows $13,449 in general payments to Dr. Choi from 29 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Sung Whan Choi been practicing?

Dr. Choi graduated from medical school in 1996, 30 years ago.

Does Dr. Sung Whan Choi do research?

Dmand AI links 6 publications to Dr. Choi, published from 2011 to 2015.

Who does Dr. Sung Whan Choi publish with?

Dr. Choi's most frequent co-authors are James Albert Connelly, MD (1 shared paper), Daniel Ricardo Couriel, MD (1 shared paper) and James L M Ferrara, MD (1 shared paper).

What insurance does Dr. Sung Whan Choi accept?

Dr. Choi is in network with 11 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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