NPPES file of Aug 9, 2026

Byung-Il Choi, MD

Cardiovascular Disease Physician · Milwaukee, WI

Byung-Il Choi, MD is a cardiovascular disease physician with a practice address in Milwaukee, Wisconsin, and NPI 1467403840, issued on May 12, 2006. Check the license (Wisconsin 46541, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467403840
Name
Byung-Il Choi
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
46541 WI
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-6633
Enumerated
May 12, 2006
Record last updated
Mar 12, 2025
Fax
(414) 805-6280
Medicaid IDs
34477200 WI
1467403840 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9200 W Wisconsin Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shameem Aadam, RPHPharmacist1760755680
  2. Abubaker Abdalla, MDHospitalist Physician1194187617
  3. Sameem Abedin, MDHematology & Oncology Physician1063641157
  4. Lolia Abibo, M.D.Hospitalist Physician1912359795
  5. Haisam Abid, MBBSHospitalist Physician1578083184
  6. Faith Abodunrin, MDHematology & Oncology Physician1437768769

Verify Byung-Il Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 46541
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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63% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,138 Medicare Part D claims for 173 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Byung-Il Choi1,138
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate174 claims
  2. Atorvastatin Calcium100 claims
  3. Clopidogrel80 claims
  4. Lisinopril77 claims
  5. Amlodipine Besylate73 claims
  6. Rosuvastatin Calcium69 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $125.00

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Byung-Il Choi$125.00
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Byung-Il Choi among 449 cardiovascular disease physician records in Wisconsin

Byung-Il Choi, MD is one of 449 cardiovascular disease physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 42% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Wisconsin

There are 449 cardiovascular disease physician records in Wisconsin.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Lisa Armaganian, MDWauwatosa, WI 532261760442180
  2. Lee Biblo, MDMilwaukee, WI 532261740230275
  3. Hakki Bolukoglu, M.D.Milwaukee, WI 532261356341176
  4. William Davis, MDWauwatosa, WI 532261174585657
  5. Anthony De Franco, M.D.Milwaukee, WI 532261215930391
  6. Marilyn Ezri, MDMilwaukee, WI 532261396796298
  7. David Gutterman, MDMilwaukee, WI 532261609827633
  8. Michael Keelan, MDMilwaukee, WI 532261275584013

Common questions

What is Byung-Il Choi, MD's NPI number?

Byung-Il Choi, MD's National Provider Identifier (NPI) is 1467403840, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Byung-Il Choi, MD located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6633. Providers update this record themselves, so call before visiting.

How can I verify Byung-Il Choi, MD's license?

NPPES lists Wisconsin license number 46541, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Byung-Il Choi, MD prescribe under Medicare Part D?

In 2024, Byung-Il Choi, MD had 1,138 Medicare Part D claims for 173 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.