Kim Hoang Bui, M.D.
Obstetrics & Gynecology Physician · Pasadena, CA
Kim Hoang Bui, M.D. is an obstetrics & gynecology physician with a practice address in Pasadena, California, and NPI 1164871133, issued on Jun 9, 2016. Check the license (California A168848, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kim Hoang Bui
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A168848 CA
Self-reported in NPPES; status is on the state search - Practice location
- 625 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 304-2626
- Enumerated
- Jun 9, 2016
- Record last updated
- Jul 7, 2023
- Fax
- (626) 585-0695
- Medicare enrollment
- Enrolled (PECOS I20221117003330); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 625 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Candida BahnmaierTechnician/Technologist1841080132
- Heather Butler, MDDermatology Physician1417927419
- Jennie Chang, M.D.Obstetrics & Gynecology Physician1982668422
- Norman Chien, MDGeriatric Medicine (Internal Medicine) Physician1184696999
- Jennifer Chronis, M.D.Family Medicine Physician1598297954
- Gary Conrad, M.D.Cardiovascular Disease Physician1669424271
Verify Kim Hoang Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
110 Medicare Part D claims for 44 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Estradiol21 claims
- Climara20 claims
- Yuvafem13 claims
- Misoprostol11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $30.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Southern California Permanente Medical GroupWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kim Hoang Bui among 5,088 obstetrics & gynecology physician records in California
Kim Hoang Bui, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2016 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Pasadena → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ebenezer Ajilore, M.D.Pasadena, CA 911051891787537
- Jennie Chang, M.D.Pasadena, CA 911051982668422
- Della Fong, M.D.Pasadena, CA 911051700813359
- Melissa Grier, M.D.Pasadena, CA 911051861484420
- Wilbert Henneberg, MDPasadena, CA 911051265433155
- Bryan Jick, MDPasadena, CA 911051720051436
- Joseph Li, M.D.Pasadena, CA 911051770573941
- James Macer, MDPasadena, CA 911051134129711
Common questions
What is Kim Hoang Bui, M.D.'s NPI number?
Kim Hoang Bui, M.D.'s National Provider Identifier (NPI) is 1164871133, issued on Jun 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Kim Hoang Bui, M.D. located?
The NPPES record lists a practice address at 625 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 304-2626. Providers update this record themselves, so call before visiting.
How can I verify Kim Hoang Bui, M.D.'s license?
NPPES lists California license number A168848, 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 Kim Hoang Bui, M.D. prescribe under Medicare Part D?
In 2024, Kim Hoang Bui, M.D. had 110 Medicare Part D claims for 44 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Kim Hoang Bui, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.