NPPES file of Aug 9, 2026

Catherine O. Young, DDS

General Practice Dentistry · Redwood City, CA

Catherine O. Young, DDS is a general practice dentistry with a practice address in Redwood City, California, and NPI 1770553711, issued on Jan 24, 2006. Check the license (California DDS56639, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770553711
Name
Catherine O. Young
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
DDS56639 CA
22DI02129700 NJ
Self-reported in NPPES; status is on the state search
Practice location
975 Veterans Blvd, Redwood City, CA 94063
Phone
(650) 480-5465
Enumerated
Jan 24, 2006
Record last updated
Jul 21, 2024
Medicaid ID
0038695 NJ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 975 Veterans Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shirley Irudayaraj, D.D.SDentist1356493910
  2. Son Kim, D.D.SGeneral Practice Dentistry1053752204
  3. Aviva Mapgaonkar, DMDDentist1801203443
  4. Reynita RamosDentist1942409552
  5. Nahid SabaDentist1154483535
  6. Mandeep Sidhu, DDSGeneral Practice Dentistry1740401439

Verify Catherine O. Young in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license DDS56639
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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63% fewer Medicare Part D claims than the average general practice dentistry in 2024

31 Medicare Part D claims for 18 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.

  1. Catherine Young31
  2. Specialty average83

Most prescribed

  1. Amoxicillin11 claims
  2. Dexamethasone11 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.

Catherine O. Young among 17,852 general practice dentistry records in California

Catherine O. Young, 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% 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 updated2024 · 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).

59 general practice dentistry records list a practice address in Redwood City

They are 59 of the 2,795 NPPES records with a practice address in Redwood City, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Mudita Agrawal, DDSRedwood City, CA 940631932625126
  2. Rocio Alvizar, D.D.S.Redwood City, CA 940631699981753
  3. Juan Del Rio, DMDRedwood City, CA 940631558882506
  4. Erika Kamayatsu-Peterson, DDSRedwood City, CA 940631174665947
  5. Son Kim, D.D.SRedwood City, CA 940631053752204
  6. Glenda Lloren, D.M.D.Redwood City, CA 940631790846996
  7. Barbara Macias-Smith, D.D.S.Redwood City, CA 940631689854622
  8. Luis Meza, DDSRedwood City, CA 940631578854303

Common questions

What is Catherine O. Young, DDS's NPI number?

Catherine O. Young, DDS's National Provider Identifier (NPI) is 1770553711, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine O. Young, DDS located?

The NPPES record lists a practice address at 975 Veterans Blvd, Redwood City, CA, 94063. Phone: (650) 480-5465. Providers update this record themselves, so call before visiting.

How can I verify Catherine O. Young, DDS's license?

NPPES lists California license number DDS56639, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine O. Young, DDS prescribe under Medicare Part D?

In 2024, Catherine O. Young, DDS had 31 Medicare Part D claims for 18 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.