Registry data as of Aug 27, 2026

Dean Gretzinger, DDS

Dentist · Tigard, OR

Dean Gretzinger, DDS is a dentist with a practice address in Tigard, Oregon, and NPI 1053818625, issued on Apr 10, 2018. Check the license with the Oregon 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
1053818625
Name
Dean Gretzinger
Credential
DDS
Primary taxonomy
Dentist 122300000X
Practice location
7095 SW Gonzaga St, Tigard, OR 97223
Phone
(855) 433-6825
Enumerated
Apr 10, 2018
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 7095 SW Gonzaga St

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

  1. Hujatullah Bayat, DDSEndodontics1124411541
  2. Bryan Clevenger, DDSOral and Maxillofacial Surgery (Dentist)1780065128
  3. Christian Kecht, DDSEndodontics1174889299
  4. Crystal Kriswandi, DMDGeneral Practice Dentistry1285788273
  5. Mahmoud Maghsoudlou, DMDDentist1871602417
  6. Nicholas Mooberry, D.D.S.General Practice Dentistry1447371869

Verify Dean Gretzinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck 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.

58% more Medicare Part D claims than the average dentist in 2024

142 Medicare Part D claims for 76 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dean Gretzinger142
  2. Specialty average90

Most prescribed

  1. Fluoridex61 claims
  2. Amoxicillin43 claims
  3. Chlorhexidine Gluconate25 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.

Dentist providers in Oregon

There are 1,295 dentist records in Oregon.

Other dentist records in Oregon

  1. Tamara Abbett, D.D.S.Medford, OR1972504710
  2. Kyoko Abe, D.M.DPortland, OR1629142641
  3. Daniel Adair, D.D.S.Salem, OR1609287143
  4. Christopher Adams, D.D.S.Roseburg, OR1487886321
  5. Kathleene Adams, DMDPortland, OR1063582252
  6. Ranier Adarve, DMDPortland, OR1982789848
  7. Priyadarshini AgrawalNorth Bend, OR1912354689
  8. Azma Ahmed, DDSPortland, OR1417341983
  9. Nicholas Ahn, DMDNorth Bend, OR1912510678
  10. Lee Albrecht, DMDSalem, OR1639338130

Common questions

What is Dean Gretzinger, DDS's NPI number?

Dean Gretzinger, DDS's National Provider Identifier (NPI) is 1053818625, issued on Apr 10, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Dean Gretzinger, DDS located?

The NPPES record lists a practice address at 7095 SW Gonzaga St, Tigard, OR, 97223. Phone: (855) 433-6825. Providers update this record themselves, so call before visiting.

How can I verify Dean Gretzinger, DDS's license?

Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Dean Gretzinger, DDS prescribe under Medicare Part D?

In 2024, Dean Gretzinger, DDS had 142 Medicare Part D claims for 76 beneficiaries; the average among dentist prescribers was 90. 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.