Genevieve B. Buenaflor, D.O.
Family Medicine Physician · Rancho Cucamonga, CA
Genevieve B. Buenaflor, D.O. is a family medicine physician with a practice address in Rancho Cucamonga, California, and NPI 1417094277, issued on Jan 31, 2007. Check the license (California 20A11320, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Genevieve B. Buenaflor
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A11320 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9089 Baseline RD, Rancho Cucamonga, CA 91730
- Phone
- (909) 464-9675
- Enumerated
- Jan 31, 2007
- Record last updated
- Aug 31, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120719000356); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 9089 Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Cochran, PAPhysician Assistant1316155310
- Liza Gonzalez, D.O.Family Medicine Physician1891081485
- Gwendolyn Harville Washington, LCSWClinical Social Worker1467509968
- Daniel Hestehauge, P.APhysician Assistant1427485762
- Holly Miller, PSY.D.Clinical Child & Adolescent Psychologist1700053519
- Lauri Rogers, PSY.D.Clinical Psychologist1013983394
Verify Genevieve B. Buenaflor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
274 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Lisinopril42 claims
- Quetiapine Fumarate28 claims
- Carvedilol19 claims
- Atorvastatin Calcium18 claims
- Metoprolol Tartrate12 claims
- Furosemide11 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
- J M Geiss DO ApcSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
62 family medicine physician records list a practice address in Rancho Cucamonga
They are 62 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 17,133 family medicine physician records in California.
All 62 in Rancho Cucamonga → All 17,133 in California → Every provider in Rancho Cucamonga →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Genevieve B. Buenaflor, D.O.'s NPI number?
Genevieve B. Buenaflor, D.O.'s National Provider Identifier (NPI) is 1417094277, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Genevieve B. Buenaflor, D.O. located?
The NPPES record lists a practice address at 9089 Baseline RD, Rancho Cucamonga, CA, 91730. Phone: (909) 464-9675. Providers update this record themselves, so call before visiting.
How can I verify Genevieve B. Buenaflor, D.O.'s license?
NPPES lists California license number 20A11320, 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 Genevieve B. Buenaflor, D.O. prescribe under Medicare Part D?
In 2024, Genevieve B. Buenaflor, D.O. had 274 Medicare Part D claims for 20 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.