J Am Med Dir Assoc
Hanbyul Choi
- 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
Primary practice
UCLA Medical Plaza
Los Angeles, California
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.
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
- 1164885174NPI Registry (opens in a new tab)
- 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 Plaza5767 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.
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.
| Site | EHR vendor and product |
|---|---|
| UCLA Medical Plaza | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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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, CaliforniaPrimary
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.
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.
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.
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.
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
- High cholesterol75%
- High blood pressure67%
- Arthritis44%
- Diabetes30%
- Chronic kidney disease23%
- Ischemic heart disease23%
- Osteoporosis21%
- 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.
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.
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
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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.
Hanbyul Choi's papers by year, 2017 to 2019
Hanbyul Choi's most frequent co-authors
- Joshua Hyong-Jin Cho, MD, PhD1 shared paper
- Michael Irwin, MD1 shared paper
- Uthpala Munasinghe, MD1 shared paper
Recent publications by Hanbyul Choi
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.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Hanbyul Choi'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 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).
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