Daniel Tannous
Family Medicine Physician · Ontario, CA
Daniel Tannous is a family medicine physician with a practice address in Ontario, California, and NPI 1508493040, issued on Mar 25, 2020. Check the license (California 176847, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Tannous
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 176847 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2295 S Vineyard Ave, Ontario, CA 91761
- Phone
- (833) 574-2273
- Enumerated
- Mar 25, 2020
- Record last updated
- Jan 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20221201001931); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2295 S Vineyard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ana Mae Abaya, NPFamily Nurse Practitioner1255164943
- Sheila Marie Adan, D.O.Family Medicine Physician1912272733
- Anna Alley, CRNACertified Registered Nurse Anesthetist1518399732
- Hye Hyun An, PHARMDPharmacist1578428470
- Leonila Araneta, LCSWClinical Social Worker1861771974
- Fernando AvilaFamily Medicine Physician1396364147
Verify Daniel Tannous in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 176847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
480 Medicare Part D claims for 356 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Ipratropium Bromide43 claims
- Cephalexin39 claims
- Amoxicillin-Clavulanate Potass26 claims
- Cefadroxil25 claims
- Ibuprofen25 claims
- Azelastine Hcl22 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
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Tannous among 17,133 family medicine physician records in California
Daniel Tannous is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Ontario → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sheila Marie Adan, D.O.Ontario, CA 917611912272733
- Fernando AvilaOntario, CA 917611396364147
- Judith Cabrera, MDOntario, CA 917611710202734
- Teodoro Diaz, DOOntario, CA 917611437190113
- David Diep, DOOntario, CA 917611750651485
- Michaella Gaite, DOOntario, CA 917611154999522
- Kenneth Lee, M.D.Ontario, CA 917611750826863
- Andrelee Taganas, M.D.Ontario, CA 917611013171230
Common questions
What is Daniel Tannous's NPI number?
Daniel Tannous's National Provider Identifier (NPI) is 1508493040, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Tannous located?
The NPPES record lists a practice address at 2295 S Vineyard Ave, Ontario, CA, 91761. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Daniel Tannous's license?
NPPES lists California license number 176847, 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 Daniel Tannous prescribe under Medicare Part D?
In 2024, Daniel Tannous had 480 Medicare Part D claims for 356 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.