NPPES file of Aug 9, 2026

Katherine Ann Clayton, MD

Pediatrics Physician · Portland, OR

Katherine Ann Clayton, MD is a pediatrics physician with a practice address in Portland, Oregon, and NPI 1952544637, issued on Apr 11, 2009. Check the license (Oregon MD157182, 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
1952544637
Name
Katherine Ann Clayton
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
MD157182 OR
Self-reported in NPPES; status is on the state search
Practice location
1700 NE 102ND Ave, Portland, OR 97220
Phone
(503) 813-2000
Enumerated
Apr 11, 2009
Record last updated
Feb 4, 2022
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 1700 NE 102ND Ave

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

  1. John Anderson, M.D.Pediatrics Physician1790974038
  2. Kristen Bender, NPNurse Practitioner1851023451
  3. Christina Dale, RPHPharmacist1205385804
  4. Heidi Ferguson, MDFamily Medicine Physician1306810858
  5. Kathryn Glassberg, MDInternal Medicine Physician1821274069
  6. Jessie Hann, MS,RD,LD,CD,CDCESRegistered Dietitian1104083492

Verify Katherine Ann Clayton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD157182
    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 Katherine Ann Clayton, MD's NPI number?

Katherine Ann Clayton, MD's National Provider Identifier (NPI) is 1952544637, issued on Apr 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Ann Clayton, MD located?

The NPPES record lists a practice address at 1700 NE 102ND Ave, Portland, OR, 97220. Phone: (503) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Katherine Ann Clayton, MD's license?

NPPES lists Oregon license number MD157182, 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.