NPPES file of Aug 9, 2026

Steve-Khoi K. Bui, MD

Ophthalmology Physician · San Jose, CA

Steve-Khoi K. Bui, MD is an ophthalmology physician with a practice address in San Jose, California, and NPI 1780760280, issued on Oct 27, 2006. Check the license (California A83563, 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
1780760280
Name
Steve-Khoi K. Bui
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A83563 CA
Self-reported in NPPES; status is on the state search
Practice location
260 International Cir, San Jose, CA 95119
Phone
(408) 972-7000
Enumerated
Oct 27, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A835630 CA
Medicare enrollment
Enrolled (PECOS I20051206000571); accepts 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 260 International Cir

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

  1. Anthony Abene, MDOrthopaedic Surgery Physician1457437964
  2. Antoinette Acenas, MDPsychiatry Physician1295811719
  3. Sunil Ahuja, MDUrology Physician1134205669
  4. Patti Albertson, MDObstetrics & Gynecology Physician1952487456
  5. Catherine Allen, N.P.Obstetrics & Gynecology Nurse Practitioner1487746772
  6. Thomas Alloggiamento, MDCardiovascular Disease Physician1881770386

Verify Steve-Khoi K. Bui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A83563
    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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27% more Medicare Part D claims than the average ophthalmology physician in 2024

1,927 Medicare Part D claims for 690 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Steve-Khoi Bui1,927
  2. Specialty average1,518

Most prescribed

  1. Latanoprost641 claims
  2. Prednisolone Acetate414 claims
  3. Dorzolamide-Timolol219 claims
  4. Brimonidine Tartrate154 claims
  5. Timolol Maleate101 claims
  6. Cyclosporine60 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSan Jose, CA

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

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

Other ophthalmology physician records in California

  1. Sam Abbassi, MD, MSWest Hills, CA1881937720
  2. Richard Abbott, M.D.San Francisco, CA1346276573
  3. Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
  4. Nizar Abdelfattah, MDPasadena, CA1801359393
  5. Parastou Abedi, MDAliso Viejo, CA1720067333
  6. Shahla Abedi, MDAliso Viejo, CA1467431072
  7. Lilit Ablabutyan, M.D.Glendale, CA1497013064
  8. Nathan Abraham, M.D.Valencia, CA1306224456
  9. James Abrams, M.D.San Bruno, CA1912903329
  10. Adam Abroms, MDWestlake Village, CA1497743702

Common questions

What is Steve-Khoi K. Bui, MD's NPI number?

Steve-Khoi K. Bui, MD's National Provider Identifier (NPI) is 1780760280, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steve-Khoi K. Bui, MD located?

The NPPES record lists a practice address at 260 International Cir, San Jose, CA, 95119. Phone: (408) 972-7000. Providers update this record themselves, so call before visiting.

How can I verify Steve-Khoi K. Bui, MD's license?

NPPES lists California license number A83563, 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 Steve-Khoi K. Bui, MD prescribe under Medicare Part D?

In 2024, Steve-Khoi K. Bui, MD had 1,927 Medicare Part D claims for 690 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.