NPPES file of Aug 9, 2026

Timothy J. Houlihan, DMD

General Practice Dentistry · Tigard, OR

Timothy J. Houlihan, DMD is a general practice dentistry with a practice address in Tigard, Oregon, and NPI 1750515888, issued on May 4, 2009. Check the license (Oregon D8127, as entered in NPPES) with the Oregon 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
1750515888
Name
Timothy J. Houlihan
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
D8127 OR
Self-reported in NPPES; status is on the state search
Practice location
15495 SW Sequoia Pkwy Ste 120, Tigard, OR 97224
Phone
(503) 684-8445
Enumerated
May 4, 2009
Record last updated
Jun 27, 2018 (not updated in 8 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 15495 SW Sequoia Pkwy Ste 120

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

  1. Karan DhariaOral and Maxillofacial Pathology Dentistry1487591319

Verify Timothy J. Houlihan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license D8127
    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 Oregon 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.

Industry payments in 2024: $62.49

1 payment: gift; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Timothy Houlihan$62.49
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Timothy J. Houlihan among 1,888 general practice dentistry records in Oregon

Timothy J. Houlihan, DMD is one of 1,888 general practice dentistry records with a practice address in Oregon. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.

  • NPI issued2009 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 68% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

46 general practice dentistry records list a practice address in Tigard

They are 46 of the 3,081 NPPES records with a practice address in Tigard, and 1,888 general practice dentistry records in Oregon.

The 8 general practice dentistry records with the nearest ZIP codes

  1. James Cain, DMDTigard, OR 972241902027782
  2. Kathryn Dixon, D.M.DTigard, OR 972241942425632
  3. Kelly Johnson, D.D.S.Tigard, OR 972241437486800
  4. Donald Ririe, D.D.S.Portland, OR 972241568572600
  5. Heather Rogers, D.D.S.Tigard, OR 972241679854772
  6. Nirvana Schuyler, DMDTigard, OR 972241497921092
  7. Carvel Stander, DMDTigard, OR 972241659487221
  8. David Streiff, DMDTigard, OR 972241215953922

Common questions

What is Timothy J. Houlihan, DMD's NPI number?

Timothy J. Houlihan, DMD's National Provider Identifier (NPI) is 1750515888, issued on May 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Timothy J. Houlihan, DMD located?

The NPPES record lists a practice address at 15495 SW Sequoia Pkwy Ste 120, Tigard, OR, 97224. Phone: (503) 684-8445. Providers update this record themselves, so call before visiting.

How can I verify Timothy J. Houlihan, DMD's license?

NPPES lists Oregon license number D8127, as entered by the provider. Search the Oregon 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. 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.