NPPES file of Aug 9, 2026

Katherine Marie Graham, D.M.D.

General Practice Dentistry · Portland, OR

Katherine Marie Graham, D.M.D. is a general practice dentistry with a practice address in Portland, Oregon, and NPI 1144203688, issued on Nov 29, 2005. Check the license (Oregon D6791, 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
1144203688
Name
Katherine Marie Graham
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
D6791 OR
Self-reported in NPPES; status is on the state search
Practice location
12672 NW Barnes RD, Portland, OR 97229
Phone
(503) 644-9915
Enumerated
Nov 29, 2005
Record last updated
Mar 24, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(503) 350-1275
Medicaid ID
046545 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 12672 NW Barnes RD

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

  1. Barbara Graham, MDInternal Medicine Physician1861476020

Verify Katherine Marie Graham 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 D6791
    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

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31% fewer Medicare Part D claims than the average general practice dentistry in 2024

57 Medicare Part D claims for 26 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Katherine Graham57
  2. Specialty average83

Most prescribed

  1. Amoxicillin22 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.

General Practice Dentistry providers in Oregon

There are 1,888 general practice dentistry records in Oregon.

Other general practice dentistry records in Oregon

  1. Benjamin Aanderud, DMDSherwood, OR1366443574
  2. Steven Abbott, DMDVeneta, OR1417918780
  3. Ruth Abraham, DDSKeizer, OR1356449599
  4. Jesse AchatzWilsonville, OR1730661794
  5. Dennis Adair, D.M.D.Gladstone, OR1215235148
  6. Anthony Adams, D.M.DAloha, OR1295129104
  7. Brannick Adams, D.D.S.Roseburg, OR1376577700
  8. Lisa Adams, DMDBend, OR1952308017
  9. Nima AfsariMedford, OR1447669171
  10. Darioush AfsharSalem, OR1306226782

Common questions

What is Katherine Marie Graham, D.M.D.'s NPI number?

Katherine Marie Graham, D.M.D.'s National Provider Identifier (NPI) is 1144203688, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Marie Graham, D.M.D. located?

The NPPES record lists a practice address at 12672 NW Barnes RD, Portland, OR, 97229. Phone: (503) 644-9915. Providers update this record themselves, so call before visiting.

How can I verify Katherine Marie Graham, D.M.D.'s license?

NPPES lists Oregon license number D6791, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Marie Graham, D.M.D. prescribe under Medicare Part D?

In 2024, Katherine Marie Graham, D.M.D. had 57 Medicare Part D claims for 26 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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.