Hanbyul Choi

  • Los Angeles, CA
  • Internist
NPI1164885174PAC ID7618217845
Medicare services, 2024
1,150
Medicare patients, 2024
441
Part D claims, 2024
1,448
Publications
3
MIPS score, 2024
88
Practice address
5767 W Century Blvd, Los Angeles, CA 90045
Practice phone
Call (310) 794-1276
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCLA Medical Plaza

Los Angeles, California

See all 7 affiliations

Find Hanbyul Choi'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.

View contacts for free

Hanbyul Choi is an internist in Los Angeles, California

Hanbyul Choi practices at UCLA Medical Plaza in Los Angeles, California.

Hanbyul Choi's NPI, 1164885174, was assigned on March 29, 2016. Hanbyul Choi holds California license A158201.

NPI and contact details
Medicare PAC ID
7618217845
NPI enumeration date
March 29, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 794-1276
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

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

Hanbyul Choi practices at UCLA Medical Plaza in Los Angeles, California

Hanbyul Choi's primary practice is UCLA Medical Plaza, at 5767 W Century Blvd, Los Angeles, CA 90045 in Los Angeles County. The practice phone is (310) 794-1276.

  • UCLA Medical Plaza
    5767 W Century Blvd, Los Angeles, CA 90045 · Los Angeles CountyPhone(310) 794-1276

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Hanbyul Choi is affiliated with 6 sites of care and 1 medical group

Hanbyul Choi's primary practice is UCLA Medical Plaza in Los Angeles, California. Hanbyul Choi is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Hanbyul Choi to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 7 affiliations for Hanbyul Choi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Hanbyul Choi's practice

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

EHR by site
SiteEHR vendor and product
UCLA Medical PlazaAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Hanbyul Choi practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Hanbyul Choi is one of 16,751 internists in California

Internal medicine is Hanbyul Choi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Hanbyul Choi is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A158201 · taxonomy 207R00000X

Internists near Hanbyul Choi

Counts of internists 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

Hanbyul Choi billed Medicare for 1,150 services in 2024

CMS data shows 1,150 Medicare services from Hanbyul Choi across 15 procedure codes in 2024, for 441 Medicare patients. Medicare paid $94,247 for them. Every service was in an office.

Medicare services, 20241,150
Medicare patients441
Paid by Medicare$94,247
Procedure codes15

Hanbyul Choi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6362024: 77622%
Other services
2023: 912024: 233156%
Surgery
2023: 1272024: 10716%
Tests and treatments
2023: 232024: 3448%
Lab and pathology
2023: 232024: 0100%

Hanbyul Choi compared with the California median for internists, 2024

  • Hanbyul Choi
  • California median
Medicare services
1,150vs 3613.2 times
Medicare patients
441vs 1512.9 times
Part D claims
983vs 4212.3 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Hanbyul 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 Hanbyul Choi

Need commercial claims for Hanbyul Choi?

Medicare shows one payer. Book a meeting to get commercial claims data for Hanbyul Choi and other internists in California.

Book a meeting

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

Hanbyul Choi treated 441 Medicare patients in 2024, average age 76

CMS counts 441 Medicare patients who saw Hanbyul Choi in 2024. The largest group is 65 to 74, with 191 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Hanbyul Choi's median patient age at 54, with 44% women.

Medicare patients, 2024441
Average age76
Average risk score1.23
Also on Medicaid11%

Hanbyul Choi's Medicare patients by age, 2024

Hanbyul Choi's Medicare patients by sex, 2024

  • Women25057%
  • Men19143%

Chronic conditions among Hanbyul Choi's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis44%
  4. Diabetes30%
  5. Chronic kidney disease23%
  6. Ischemic heart disease23%
  7. Osteoporosis21%
  8. Cancer19%

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

Hanbyul 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 54

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Hanbyul Choi wrote 1,448 Medicare Part D claims in 2024

In 2024, Hanbyul Choi wrote 1,448 Medicare Part D claims for 306 patients. 92% of them were for generic drugs. CMS names the drug for 983 of them, across 35 drugs with 11 or more claims each, at $20,972 in total drug cost. In 2023, CMS named 557 claims across 22 drugs.

Part D claims, 20241,448
Drugs named by CMS35
Total drug cost$20,972
Part D patients306

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

  • Generic1,336 claims92%
  • Brand-name and other112 claims8%

Hanbyul 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.

Drug classes CMS tracks in Hanbyul Choi's Part D claims, 2024

  • Opioids2%22 of 1,448 claims
  • Antibiotics10%151 of 1,448 claims
  • Antipsychotics, patients 65 and over1%15 of 1,448 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: 5572024: 98376%

Drugs named by CMS: 35 in 2024, 22 in 2023.

See all prescribing by Hanbyul 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

Hanbyul Choi scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Hanbyul Choi for performance year 2024, reported as part of a group. Hanbyul Choi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Hanbyul Choi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Hanbyul Choi's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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

For MedTech and pharma teams

Find internists like Hanbyul Choi by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Hanbyul Choi has 3 publications on record

Dmand AI links 3 papers to Hanbyul Choi, published from 2017 to 2019. Hanbyul Choi's most frequent co-authors are Joshua Hyong-Jin Cho, MD, PhD, Michael Irwin, MD and Uthpala Munasinghe, MD.

Papers3
Years published2017 to 2019

Hanbyul Choi's papers by year, 2017 to 2019

Hanbyul Choi's most frequent co-authors

Recent publications by Hanbyul Choi

See all 3 publications and co-authors

See who Hanbyul Choi researches with

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

How network discovery works

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

Sources for Hanbyul 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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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
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 Hanbyul 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 Hanbyul Choi's NPI number?

Hanbyul Choi's NPI number is 1164885174. It was assigned on March 29, 2016, and it is active in the NPI Registry.

What does Hanbyul Choi specialize in?

Hanbyul Choi is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Hanbyul Choi practice?

Hanbyul Choi practices at 5767 W Century Blvd, Los Angeles, CA 90045. Hanbyul Choi's primary practice is UCLA Medical Plaza in Los Angeles, California. Dmand AI also links Hanbyul Choi to 2 hospitals, 1 group practice or clinic and 1 home health agency.

What is Hanbyul Choi's office phone number?

The practice phone on file for Hanbyul Choi is (310) 794-1276.

What is Hanbyul Choi's medical license number?

Hanbyul Choi holds California license A158201.

Which hospitals is Hanbyul Choi affiliated with?

Hanbyul Choi is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Hanbyul Choi to 2 more hospitals.

What medical group is Hanbyul Choi part of?

Hanbyul Choi is linked to UCLA Medical Group.

Does Hanbyul Choi accept Medicare?

Yes. CMS data shows Hanbyul Choi billed Medicare for 1,150 services in 2024, and Hanbyul Choi accepts Medicare assignment.

Does Hanbyul Choi offer telehealth?

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

What is Hanbyul Choi's MIPS score?

Hanbyul Choi's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Hanbyul Choi see?

CMS counts 441 Medicare patients who saw Hanbyul Choi in 2024, with an average age of 76.

What services does Hanbyul Choi bill to Medicare?

In 2024, Hanbyul Choi's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).

What drugs does Hanbyul Choi prescribe most?

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

How long has Hanbyul Choi been practicing?

Hanbyul Choi graduated from medical school in 2011, 15 years ago.

Does Hanbyul Choi do research?

Dmand AI links 3 publications to Hanbyul Choi, published from 2017 to 2019.

Who does Hanbyul Choi publish with?

Hanbyul Choi's most frequent co-authors are Joshua Hyong-Jin Cho, MD, PhD (1 shared paper), Michael Irwin, MD (1 shared paper) and Uthpala Munasinghe, MD (1 shared paper).

Selling to internal medicine practices?

See internists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)