NPPES file of Aug 9, 2026

Robert K. Thielen, DDS

Dentist · Pittsburgh, PA

Robert K. Thielen, DDS is a dentist with a practice address in Pittsburgh, Pennsylvania, and NPI 1194306662, issued on Apr 16, 2021. Check the license (Pennsylvania DS042521, 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
1194306662
Name
Robert K. Thielen
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
DS042521 PA
Self-reported in NPPES; status is on the state search
Practice location
444 Liberty Ave, Pittsburgh, PA 15222
Phone
(412) 420-6502
Enumerated
Apr 16, 2021
Record last updated
Apr 16, 2021 (not updated in 5 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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Also registered at 444 Liberty Ave

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

  1. Jessica Hovanec, PHDHPDental Hygienist1285302935
  2. James Jacobson, MDPsychiatry Physician1558350652
  3. Katherine SulkowskiPharmacist1821474149

Verify Robert K. Thielen 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 DS042521    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

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Dentist providers in Pennsylvania

There are 3,339 dentist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,339 in Pennsylvania → Every provider in Pittsburgh →

Other dentist records in Pennsylvania

  1. Jonathan Abaev, DDSPhiladelphia, PA1427724624
  2. Anthony Abdalla, DMDAllentown, PA1871672105
  3. Assem Abdel-Kader, DDSPhiladelphia, PA1235112590
  4. Ahmed Abdelkader, DDSPhiladelphia, PA1437212115
  5. Mahsa Abdolhosseini, DDSPhiladelphia, PA1104218882
  6. Mary Abeln, DDSEast York, PA1871085993
  7. Andrew Abolarin, DDSPhiladelphia, PA1700973567
  8. Omar Aboosi, DMDPittsburgh, PA1730243429
  9. Lawrence AbouseifReading, PA1508007212
  10. Joseph Abrams, DMDFrazer, PA1104977438

Common questions

What is Robert K. Thielen, DDS's NPI number?

Robert K. Thielen, DDS's National Provider Identifier (NPI) is 1194306662, issued on Apr 16, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Robert K. Thielen, DDS located?

The NPPES record lists a practice address at 444 Liberty Ave, Pittsburgh, PA, 15222. Phone: (412) 420-6502. Providers update this record themselves, so call before visiting.

How can I verify Robert K. Thielen, DDS's license?

NPPES lists Pennsylvania license number DS042521, 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.

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.