NPPES file of Aug 9, 2026

Byungwoo Choi, M.D.

Infectious Disease Physician · Camarillo, CA

Byungwoo Choi, M.D. is an infectious disease physician with a practice address in Camarillo, California, and NPI 1295006948, issued on Jan 25, 2012. Check the license (California C185254, as entered in NPPES) on the Medical Board of California; 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
1295006948
Name
Byungwoo Choi
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
C185254 CA
Self-reported in NPPES; status is on the state search
Practice location
4000 Calle Tecate Ste 220, Camarillo, CA 93012
Phone
(805) 465-7388
Enumerated
Jan 25, 2012
Record last updated
Apr 28, 2023
Medicare enrollment
Enrolled (PECOS I20230616000132); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4000 Calle Tecate Ste 220

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

  1. Saraina Hedgepeth, PA-CMedical Physician Assistant1902436231

Verify Byungwoo Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C185254
    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 California license search

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47% fewer Medicare Part D claims than the average infectious disease physician in 2024

363 Medicare Part D claims for 62 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Byungwoo Choi363
  2. Specialty average689

Most prescribed

  1. Rifampin31 claims
  2. Ceftriaxone29 claims
  3. Ethambutol Hcl27 claims
  4. Azithromycin24 claims
  5. Amoxicillin-Clavulanate Potass22 claims
  6. Fluconazole22 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: $210.89

10 payments; by number, the most common kind was food and beverage; the largest payer was Insmed, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Byungwoo Choi$210.89
  2. Specialty average$4,362.19

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

Bills Medicare through one group practice

  1. Community Memorial Health SystemVentura, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Byungwoo Choi among 1,119 infectious disease physician records in California

Byungwoo Choi, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.

  • NPI issued2012 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2006 · median 2003 among the 735 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Omega Edwards, M.D.Camarillo, CA 930101073730511
  2. Joshua Wolfsohn, D.O.Camarillo, CA 930101205098456
  3. Melissa Barger, M.D.Ventura, CA 930031598020968
  4. Riffat Muzaffer, M.DVentura, CA 930031093999294
  5. Henry Oster, M.D.Ventura, CA 930031417992223
  6. Cary Savitch, MDVentura, CA 930031518971084
  7. Malini Soogoor, M.D.,Simi Valley, CA 930651659328185
  8. David Fisk, MDSanta Barbara, CA 931051821049297

Common questions

What is Byungwoo Choi, M.D.'s NPI number?

Byungwoo Choi, M.D.'s National Provider Identifier (NPI) is 1295006948, issued on Jan 25, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Byungwoo Choi, M.D. located?

The NPPES record lists a practice address at 4000 Calle Tecate Ste 220, Camarillo, CA, 93012. Phone: (805) 465-7388. Providers update this record themselves, so call before visiting.

How can I verify Byungwoo Choi, M.D.'s license?

NPPES lists California license number C185254, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Byungwoo Choi, M.D. prescribe under Medicare Part D?

In 2024, Byungwoo Choi, M.D. had 363 Medicare Part D claims for 62 beneficiaries; the average among infectious disease physician prescribers was 689. 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.