Sindy Kathey Tadros, D.O.
Family Medicine Physician · Rancho Cucamonga, CA
Sindy Kathey Tadros, D.O. is a family medicine physician with a practice address in Rancho Cucamonga, California, and NPI 1851542633, issued on Oct 9, 2008. Check the license (California 2OA9767, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sindy Kathey Tadros
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2OA9767 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11450 Church St, Rancho Cucamonga, CA 91730
- Phone
- (714) 323-1134
- Enumerated
- Oct 9, 2008
- Record last updated
- Oct 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (909) 987-6666
- Medicare enrollment
- Enrolled (PECOS I20090319000618); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Sindy Kathey Tadros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 2OA9767Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,945 Medicare Part D claims for 338 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium95 claims
- Levothyroxine Sodium71 claims
- Amlodipine Besylate56 claims
- Metoprolol Tartrate55 claims
- Losartan Potassium52 claims
- Omeprazole45 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.
Industry payments in 2024: $34.89
2 payments; by number, the most common kind was food and beverage; the largest payer was CeQur Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Optima Health CorpRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sindy Kathey Tadros among 17,133 family medicine physician records in California
Sindy Kathey Tadros, D.O. 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 10,652 with a school on file
- Record last updated2008 · 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).
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 17,133 in California → Every provider in Rancho Cucamonga → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marc Avent, DORancho Cucamonga, CA 917301437104783
- Eldine Banquerigo, M.D.Rancho Cucamonga, CA 917301851367528
- Steven Barag, D.O.Rancho Cucamonga, CA 917301366444838
- James Brown, M.D.Rancho Cucamonga, CA 917301073597738
- Juan Cortes, DORancho Cucamonga, CA 917301760432181
- Rommie Fakhoury, MDRancho Cucamonga, CA 917301528000643
- Sandra Force-Obrowski, M.D.Rancho Cucamonga, CA 917301023034873
- Patricia Guevara-Channell, MDRancho Cucomonga, CA 917301841266392
Common questions
What is Sindy Kathey Tadros, D.O.'s NPI number?
Sindy Kathey Tadros, D.O.'s National Provider Identifier (NPI) is 1851542633, issued on Oct 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sindy Kathey Tadros, D.O. located?
The NPPES record lists a practice address at 11450 Church St, Rancho Cucamonga, CA, 91730. Phone: (714) 323-1134. Providers update this record themselves, so call before visiting.
How can I verify Sindy Kathey Tadros, D.O.'s license?
NPPES lists California license number 2OA9767, 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 Sindy Kathey Tadros, D.O. prescribe under Medicare Part D?
In 2024, Sindy Kathey Tadros, D.O. had 1,945 Medicare Part D claims for 338 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.