Rosario Castillo, DDS
General Practice Dentistry · Valencia, CA
Rosario Castillo, DDS is a general practice dentistry with a practice address in Valencia, California, and NPI 1144366519, issued on Jan 30, 2007. Check the license (California 41898, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rosario Castillo
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 41898 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27616 Newhall Ranch RD Unit 5, Valencia, CA 91355
- Phone
- (661) 294-0300
- Enumerated
- Jan 30, 2007
- Record last updated
- Feb 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (661) 294-0301
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Rosario Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average general practice dentistry in 2024
43 Medicare Part D claims for 22 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin23 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.
Rosario Castillo among 17,852 general practice dentistry records in California
Rosario Castillo, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 general practice dentistry records list a practice address in Valencia
They are 49 of the 2,083 NPPES records with a practice address in Valencia, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Valencia → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Peter Elloway, D.D.SValencia, CA 913551205905692
- Lawrence Fealy, D.D.S.Valencia, CA 913551972611689
- David Goldberg, D.D.S.Valencia, CA 913551326043696
- Virginia Hughson-Otte, D.D.S.Valencia, CA 913551083767602
- Vivienne Lago, DDSValencia, CA 913551023184074
- Saeid Razi, DDSValencia, CA 913551235127143
- Jeffrey Reyes, DDSValencia, CA 913551487720603
- Joel Slaven, D.D.SValencia, CA 913551952314445
Common questions
What is Rosario Castillo, DDS's NPI number?
Rosario Castillo, DDS's National Provider Identifier (NPI) is 1144366519, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rosario Castillo, DDS located?
The NPPES record lists a practice address at 27616 Newhall Ranch RD Unit 5, Valencia, CA, 91355. Phone: (661) 294-0300. Providers update this record themselves, so call before visiting.
How can I verify Rosario Castillo, DDS's license?
NPPES lists California license number 41898, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rosario Castillo, DDS prescribe under Medicare Part D?
In 2024, Rosario Castillo, DDS had 43 Medicare Part D claims for 22 beneficiaries; the average among general practice dentistry prescribers was 83. 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.