NPPES file of Aug 9, 2026

Donald Clifford Guenther, MD

Pediatrics Physician · Pendleton, OR

Donald Clifford Guenther, MD is a pediatrics physician with a practice address in Pendleton, Oregon, and NPI 1598746802, issued on Nov 14, 2005. Check the license (Oregon 08926, as entered in NPPES) on the Oregon Medical Board; 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
1598746802
Name
Donald Clifford Guenther
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
08926 OR
Self-reported in NPPES; status is on the state search
Practice location
1600 SE Court PL, Pendleton, OR 97801
Phone
(541) 276-0250
Enumerated
Nov 14, 2005
Record last updated
Jul 13, 2026
Fax
(541) 276-0253
Medicaid ID
072132 OR
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 1600 SE Court PL

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

  1. Linda Harries, PA-CPhysician Assistant1538189782
  2. Russell Harrison, MDFamily Medicine Physician1164409173
  3. Jonathan Hitzman, MDFamily Medicine Physician1497741656
  4. John McBee, M.D.Surgery Physician1740229418
  5. Janet Penny, MDPediatrics Physician1578554770

Verify Donald Clifford Guenther in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license 08926
    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
Open the Oregon license search

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Pediatrics Physician providers in Oregon

There are 861 pediatrics physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in Oregon

  1. Pradeep Adumala, MDConyngham, OR1770983272
  2. Neda Afzali, M.D.Albany, OR1114197787
  3. Ebelosele Aigbivbalu, MDRoseburg, OR1164918108
  4. Ekene Ajufo, M.D.Hermiston, OR1962853556
  5. Raya Al Ghalayini, MDMedford, OR1255990735
  6. Zaid Al-Mulla, MDTigard, OR1558441030
  7. Hugh Alexander, MDPortland, OR1811986813
  8. Abdallah Alkhaldi, MDKlamath Falls, OR1407544281
  9. Michael Allender, MDCorvallis, OR1679522692
  10. Victoria Allsup, MDLebanon, OR1437786944

Common questions

What is Donald Clifford Guenther, MD's NPI number?

Donald Clifford Guenther, MD's National Provider Identifier (NPI) is 1598746802, issued on Nov 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Donald Clifford Guenther, MD located?

The NPPES record lists a practice address at 1600 SE Court PL, Pendleton, OR, 97801. Phone: (541) 276-0250. Providers update this record themselves, so call before visiting.

How can I verify Donald Clifford Guenther, MD's license?

NPPES lists Oregon license number 08926, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.