Registry data as of Aug 27, 2026

Joanne Hwang, D.D.S.

General Practice Dentistry · Butler, NJ

Joanne Hwang, D.D.S. is a general practice dentistry with a practice address in Butler, New Jersey, and NPI 1104199462, issued on Feb 17, 2012. Check the license (New Jersey 22DI02471500, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1104199462
Name
Joanne Hwang
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
22DI02471500 NJ
Self-reported in NPPES; status is on the state search
Practice location
9 Carey Ave, Butler, NJ 07405
Phone
(973) 838-1477
Enumerated
Feb 17, 2012
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 9 Carey Ave

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

  1. Gabrielle Gutierrez, DDSDentist1023703824
  2. Paul Palmarozzo, D.P.M.Foot Surgery Podiatrist1063574929

Verify Joanne Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 22DI02471500
    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 New Jersey 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.

77% fewer Medicare Part D claims than the average general practice dentistry in 2024

19 Medicare Part D claims for 12 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Joanne Hwang19
  2. Specialty average84

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.

2 general practice dentistry records list a Butler practice address

They are 2 of the 72 NPPES records with a Butler practice address, and 4,011 general practice dentistry records in New Jersey.

Other general practice dentistry records in New Jersey

  1. Angela Aaron, DDSLyndhurst, NJ1497965024
  2. Peter Abadir, DMDEast Brunswick, NJ1205942760
  3. Ali Abbas, DMDSpringfield, NJ1194948604
  4. Stephen Abbaticchio, DDSMorganville, NJ1922061274
  5. Noor Abdalla, DDSClifton, NJ1154050185
  6. Kareem Abdelaal, DMDSicklerville, NJ1982590972
  7. Basima Abdelsalam, DMDLong Branch, NJ1790532547
  8. Mitra Abdollahi, D.M.DSomerdale, NJ1033329230
  9. Mohammed Abdulsalam, DDSClifton, NJ1285278184
  10. Omar Abed, DMDJersey City, NJ1851961833

Common questions

What is Joanne Hwang, D.D.S.'s NPI number?

Joanne Hwang, D.D.S.'s National Provider Identifier (NPI) is 1104199462, issued on Feb 17, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Hwang, D.D.S. located?

The NPPES record lists a practice address at 9 Carey Ave, Butler, NJ, 07405. Phone: (973) 838-1477. Providers update this record themselves, so call before visiting.

How can I verify Joanne Hwang, D.D.S.'s license?

NPPES lists New Jersey license number 22DI02471500, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Joanne Hwang, D.D.S. prescribe under Medicare Part D?

In 2024, Joanne Hwang, D.D.S. had 19 Medicare Part D claims for 12 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.