NPPES file of Aug 9, 2026

William Hinrichsen

General Practice Dentistry · Darby, PA

William Hinrichsen is a general practice dentistry with a practice address in Darby, Pennsylvania, and NPI 1285786939, issued on Jan 16, 2007. Check the license (Pennsylvania 023054, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1285786939
Name
William Hinrichsen
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
023054 PA
Self-reported in NPPES; status is on the state search
Practice location
875 Main St, Darby, PA 19023
Phone
(610) 534-0300
Enumerated
Jan 16, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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.
Download card Updates feed

Also registered at 875 Main St

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

  1. Alejandro Montalvo, D.M.DGeneral Practice Dentistry1376708255
  2. Susmita ParabGeneral Practice Dentistry1467506295

Verify William Hinrichsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license 023054
    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 Pennsylvania 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.

William Hinrichsen among 4,612 general practice dentistry records in Pennsylvania

William Hinrichsen is one of 4,612 general practice dentistry records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 37% of them.

  • NPI issued2007 · 37% of these records are older, 39% newer
  • In a Medicare fileNo · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 76% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 general practice dentistry records list a practice address in Darby

They are 6 of the 465 NPPES records with a practice address in Darby, and 4,612 general practice dentistry records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Hsingchien Cheng, D.M.D.Collingdale, PA 190231538159348
  2. Michael Cooperstein, DMDCollingdale, PA 190231679619217
  3. Barbara Gorska-Swiatecka, D.M.D.Collingdale, PA 190231215055595
  4. Abdallah Kabil, DMDCollingdale, PA 190231770709016
  5. Lovejit Kaur, DDSDarby, PA 190231144023805
  6. Alejandro Montalvo, D.M.DDarby, PA 190231376708255
  7. Susmita ParabDarby, PA 190231467506295
  8. Rishi Patel, DMDDarby, PA 190231457239469

Common questions

What is William Hinrichsen's NPI number?

William Hinrichsen's National Provider Identifier (NPI) is 1285786939, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Hinrichsen located?

The NPPES record lists a practice address at 875 Main St, Darby, PA, 19023. Phone: (610) 534-0300. Providers update this record themselves, so call before visiting.

How can I verify William Hinrichsen's license?

NPPES lists Pennsylvania license number 023054, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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. 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.