NPPES file of Aug 9, 2026

Joseph Hahn, D.D.S

Prosthodontics · La Palma, CA

Joseph Hahn, D.D.S is a prosthodontics with a practice address in La Palma, California, and NPI 1366846610, issued on Oct 15, 2014. Check the license (California 59440, 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
1366846610
Name
Joseph Hahn
Credential
D.D.S
Primary taxonomy
Prosthodontics 1223P0700X
License number
59440 CA
Self-reported in NPPES; status is on the state search
Practice location
7872 Walker St, La Palma, CA 90623
Phone
(714) 670-0023
Enumerated
Oct 15, 2014
Record last updated
May 28, 2015 (not updated in 11 years: call before relying on the address or phone)
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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8 nearest prosthodontics records → All 474 in California → Look up another NPI →

Also registered at 7872 Walker St

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

  1. Maggie HagaClinical Social Worker1427178367
  2. Jamie Hainlen, NPNurse Practitioner1730724741
  3. Judy Helbon, LCSWClinical Social Worker1942366513
  4. Chao Hung Kao, MSW, RN, FNP-CNurse Practitioner1629303698
  5. Caleb KilMedical Physician Assistant1699319848
  6. Albert Lee, M.D.Pediatrics Physician1104855428

Verify Joseph Hahn 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 59440    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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2.2 times the Medicare Part D claims of the average prosthodontics in 2024

200 Medicare Part D claims for 63 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D.

  1. Joseph Hahn200
  2. Specialty average90

Most prescribed

  1. Amoxicillin82 claims
  2. Chlorhexidine Gluconate63 claims
  3. Ibuprofen40 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.

Joseph Hahn among 474 prosthodontics records in California

Joseph Hahn, D.D.S is one of 474 prosthodontics records with a practice address in California. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2015 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Prosthodontics providers in California

There are 474 prosthodontics records in California.

All 474 in California → Every provider in La Palma → Prosthodontics nationwide →

The 8 prosthodontics records with the nearest ZIP codes

  1. Eugene Kim, D.D.S.Buena Park, CA 906211609051838
  2. Valentina Redden, DDSLa Habra, CA 906311861710378
  3. Shahriar Parvizpour, D.D.S.Whittier, CA 906021821359084
  4. Evangelos Rossopoulos, D.D.S.Whittier, CA 906021023179884
  5. Mary Lou Murtha, DDSTorrance, CA 905091417447681
  6. Tae Jun Ahn, DDSTorrance, CA 905051558566943
  7. George Cho, D.D.S.Torrance, CA 905051760626782
  8. Edward Frank, DDSTorrance, CA 905051548440613

Common questions

What is Joseph Hahn, D.D.S's NPI number?

Joseph Hahn, D.D.S's National Provider Identifier (NPI) is 1366846610, issued on Oct 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Hahn, D.D.S located?

The NPPES record lists a practice address at 7872 Walker St, La Palma, CA, 90623. Phone: (714) 670-0023. Providers update this record themselves, so call before visiting.

How can I verify Joseph Hahn, D.D.S's license?

NPPES lists California license number 59440, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Joseph Hahn, D.D.S prescribe under Medicare Part D?

In 2024, Joseph Hahn, D.D.S had 200 Medicare Part D claims for 63 beneficiaries; the average among prosthodontics prescribers was 90. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.