Eleanor Antoinette Siazon, DDS
General Practice Dentistry · South Gate, CA
Eleanor Antoinette Siazon, DDS is a general practice dentistry with a practice address in South Gate, California, and NPI 1497891261, issued on Jan 29, 2007. Check the license (California 44086, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eleanor Antoinette Siazon
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 44086 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4444 Tweedy Blvd, South Gate, CA 90280
- Phone
- (323) 564-2444
- Enumerated
- Jan 29, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (323) 249-7565
- Medicaid ID
- D44086 CA
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 4444 Tweedy Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Habib AdibDentist1770101081
- Ovidiu Barbu, DDSGeneral Practice Dentistry1881740785
- Rana Kaleel, DDSDentist1306173158
- Maria Lima, DDSGeneral Practice Dentistry1710024914
- Modesto Luis, DDSGeneral Practice Dentistry1720134091
- Jay Lutsky, DMDGeneral Practice Dentistry1801942172
Verify Eleanor Antoinette Siazon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 44086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average general practice dentistry in 2024
37 Medicare Part D claims for 26 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
- Amoxicillin22 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.
Eleanor Antoinette Siazon among 17,852 general practice dentistry records in California
Eleanor Antoinette Siazon, 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 updated2007 · 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).
30 general practice dentistry records list a practice address in South Gate
They are 30 of the 466 NPPES records with a practice address in South Gate, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in South Gate → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Ovidiu Barbu, DDSSouth Gate, CA 902801881740785
- Maria Lima, DDSSouth Gate, CA 902801710024914
- Modesto Luis, DDSSouth Gate, CA 902801720134091
- Jay Lutsky, DMDSouth Gate, CA 902801801942172
- Daniel Martinez, DDSSouth Gate, CA 902801619023983
- Aman Naziri, DDSSouth Gate, CA 902801750420162
- Alice Pasion, DDSSouth Gate, CA 902801780730051
- Charu Patel, D.D.S.South Gate, CA 902801225139140
Common questions
What is Eleanor Antoinette Siazon, DDS's NPI number?
Eleanor Antoinette Siazon, DDS's National Provider Identifier (NPI) is 1497891261, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Eleanor Antoinette Siazon, DDS located?
The NPPES record lists a practice address at 4444 Tweedy Blvd, South Gate, CA, 90280. Phone: (323) 564-2444. Providers update this record themselves, so call before visiting.
How can I verify Eleanor Antoinette Siazon, DDS's license?
NPPES lists California license number 44086, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eleanor Antoinette Siazon, DDS prescribe under Medicare Part D?
In 2024, Eleanor Antoinette Siazon, DDS had 37 Medicare Part D claims for 26 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.