Sydon Arroyo, D.D.S.
Dentist · Torrance, CA
Sydon Arroyo, D.D.S. is a dentist with a practice address in Torrance, California, and NPI 1891029989, issued on Sep 23, 2009. Check the license (California 58609, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydon Arroyo
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 58609 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23560 Madison St Ste 101, Torrance, CA 90505
- Phone
- (310) 318-6966
- Enumerated
- Sep 23, 2009
- Record last updated
- Aug 22, 2023
- Fax
- (310) 318-6966
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 23560 Madison St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Hugh, D.D.S.General Practice Dentistry1063533784
Verify Sydon Arroyo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 58609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average dentist in 2024
37 Medicare Part D claims for 27 beneficiaries, against an average of 86 among the 51,021 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.
Sydon Arroyo among 14,729 dentist records in California
Sydon Arroyo, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 48% of them.
- NPI issued2009 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
127 dentist records list a practice address in Torrance
They are 127 of the 8,901 NPPES records with a practice address in Torrance, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Torrance → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Adriana Barrera, D.D.S.Torrance, CA 905051447308820
- Peter Cacos, DDSTorrance, CA 905051447350095
- Lyudmila Garin, D.D.S.Torrance, CA 905051699866574
- Roger Gillespie, D.D.S.Torrance, CA 905051194815415
- Barbara Grace, DDS MSTorrance, CA 905051760537690
- Howard Igasaki, DDSTorrance, CA 905051396739249
- Ronald Lu, DDSTorrance, CA 905051285677526
- Vivian MaungTorrance, CA 905051609952142
Common questions
What is Sydon Arroyo, D.D.S.'s NPI number?
Sydon Arroyo, D.D.S.'s National Provider Identifier (NPI) is 1891029989, issued on Sep 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sydon Arroyo, D.D.S. located?
The NPPES record lists a practice address at 23560 Madison St Ste 101, Torrance, CA, 90505. Phone: (310) 318-6966. Providers update this record themselves, so call before visiting.
How can I verify Sydon Arroyo, D.D.S.'s license?
NPPES lists California license number 58609, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sydon Arroyo, D.D.S. prescribe under Medicare Part D?
In 2024, Sydon Arroyo, D.D.S. had 37 Medicare Part D claims for 27 beneficiaries; the average among dentist prescribers was 86. 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.