NPPES file of Aug 9, 2026

Henry Hsinchi Chen, DMD

Dentist · Newbury Park, CA

Henry Hsinchi Chen, DMD is a dentist with a practice address in Newbury Park, California, and NPI 1528108628, issued on Feb 7, 2007. Check the license (California 45661, 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
1528108628
Name
Henry Hsinchi Chen
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
45661 CA
Self-reported in NPPES; status is on the state search
Practice location
2904 Theresa Dr, Newbury Park, CA 91320
Phone
(805) 498-6631
Enumerated
Feb 7, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(805) 498-6508
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.
Download card Updates feed

Also registered at 2904 Theresa Dr

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

  1. Robert Jones, D.D.S.Periodontics1346309176
  2. Aram Mkhitarian, D.O.Internal Medicine Physician1952565301

Verify Henry Hsinchi Chen 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 45661
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

1% more Medicare Part D claims than the average dentist in 2024

87 Medicare Part D claims for 62 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.

  1. Henry Chen87
  2. Specialty average86

Most prescribed

  1. Amoxicillin51 claims
  2. Chlorhexidine Gluconate13 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.

Henry Hsinchi Chen among 14,729 dentist records in California

Henry Hsinchi Chen, DMD 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 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 58% 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 updated2007 · 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).

16 dentist records list a practice address in Newbury Park

They are 16 of the 350 NPPES records with a practice address in Newbury Park, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Gary Chaffee, DDSNewbury Park, CA 913201952714214
  2. Gregory Cole, D.D.S.Newbury Park, CA 913201689699068
  3. Anton Hoang, DDSNewbury Park, CA 913201396056651
  4. Donald Huber, D.D.S.Newbury Park, CA 913201881918571
  5. Padmaja Manthena, DDSNewbury Park, CA 913201407864473
  6. Edwin Park, DDSNewbury Park, CA 913201851301998
  7. Donald Roth, D.D.S.Thousand Oaks, CA 913201548212905
  8. Sam Saadat Dds, D.D.S.Newbury Park, CA 913201912135765

Common questions

What is Henry Hsinchi Chen, DMD's NPI number?

Henry Hsinchi Chen, DMD's National Provider Identifier (NPI) is 1528108628, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Henry Hsinchi Chen, DMD located?

The NPPES record lists a practice address at 2904 Theresa Dr, Newbury Park, CA, 91320. Phone: (805) 498-6631. Providers update this record themselves, so call before visiting.

How can I verify Henry Hsinchi Chen, DMD's license?

NPPES lists California license number 45661, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Henry Hsinchi Chen, DMD prescribe under Medicare Part D?

In 2024, Henry Hsinchi Chen, DMD had 87 Medicare Part D claims for 62 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.