Tiffany Kilbas, D.O.
Family Medicine Physician · Claremont, CA
Tiffany Kilbas, D.O. is a family medicine physician with a practice address in Claremont, California, and NPI 1841855962, issued on May 3, 2019. Check the license (California 20A19870, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tiffany Kilbas
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A19870 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Monte Vista Ave Ste 100, Claremont, CA 91711
- Phone
- (909) 630-7938
- Enumerated
- May 3, 2019
- Entity
- Type 1 · individual
Also registered at 1601 Monte Vista Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Alvarez Casillas, SA-C, M.D.(IMG)Family Medicine Physician1104111566
- Thuy BachPhysician Assistant1912443086
- Janae HarrisFamily Nurse Practitioner1003469693
- Millie Mae Hathaway, DOFamily Medicine Physician1043847627
- Lester Holstein, MDFamily Medicine Physician1720088792
- Jeffrey Ijadi, MDSports Medicine (Family Medicine) Physician1134415854
Verify Tiffany Kilbas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
909 Medicare Part D claims for 189 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium62 claims
- Famotidine39 claims
- Atorvastatin Calcium36 claims
- Ozempic36 claims
- Amlodipine Besylate31 claims
- Pantoprazole Sodium26 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 Medicare quality score for 2023: 36 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).
One hospital or facility affiliation
- Premier Family Medicine Associates, IncClaremont, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
31 family medicine physician records list a Claremont practice address
They are 31 of the 800 NPPES records with a Claremont practice address, and 16,272 family medicine physician records in California.
All 31 in Claremont → All 16,272 in California → Every provider in Claremont →
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 Tiffany Kilbas, D.O.'s NPI number?
Tiffany Kilbas, D.O.'s National Provider Identifier (NPI) is 1841855962, issued on May 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Kilbas, D.O. located?
The NPPES record lists a practice address at 1601 Monte Vista Ave Ste 100, Claremont, CA, 91711. Phone: (909) 630-7938. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Kilbas, D.O.'s license?
NPPES lists California license number 20A19870, 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 Tiffany Kilbas, D.O. prescribe under Medicare Part D?
In 2024, Tiffany Kilbas, D.O. had 909 Medicare Part D claims for 189 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is Tiffany Kilbas, D.O.'s Medicare quality score?
The 2023 MIPS final score is 36 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.