NPPES file of Aug 9, 2026

Katherine M. Dahlke, MD

Internal Medicine Physician · Portland, OR

Katherine M. Dahlke, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1598830812, issued on Nov 21, 2006. Check the license (Oregon MD18119, 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
1598830812
Name
Katherine M. Dahlke
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD18119 OR
Self-reported in NPPES; status is on the state search
Practice location
2121 NE Halsey St, Portland, OR 97232
Phone
(503) 234-7299
Enumerated
Nov 21, 2006
Record last updated
Feb 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(503) 234-9639
Medicare enrollment
Enrolled (PECOS I20110405001188); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2121 NE Halsey St

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

  1. Andrew Bonner, NDNaturopath1841441201
  2. Alexandra GoteaNaturopath1326550591
  3. Melissa MacfarlaneNaturopath1548317266
  4. John Slosberg, L.A.C.Acupuncturist1508808627
  5. Jennifer Wilhelm, D.C.Chiropractor1538380704

Verify Katherine M. Dahlke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD18119
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Katherine M. Dahlke among 2,116 internal medicine physician records in Oregon

Katherine M. Dahlke, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1983 · median 2008 among the 1,232 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jay Brown, MDPortland, OR 972321306874037
  2. Wiley Chan, MDPortland, OR 972321669588828
  3. Homer Chin, MDPortland, OR 972321376572537
  4. Bukhosi Dube, M.D.Portland, OR 972321619132891
  5. Sheila Jhansale, MDPortland, OR 972321922049030
  6. Christina Kemper, M.D.Portland, OR 972321427213230
  7. Samuel Loeb, M.D.Portland, OR 972321508091521
  8. Andrew Lum, M.D.Portland, OR 972321659384196

Common questions

What is Katherine M. Dahlke, MD's NPI number?

Katherine M. Dahlke, MD's National Provider Identifier (NPI) is 1598830812, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine M. Dahlke, MD located?

The NPPES record lists a practice address at 2121 NE Halsey St, Portland, OR, 97232. Phone: (503) 234-7299. Providers update this record themselves, so call before visiting.

How can I verify Katherine M. Dahlke, MD's license?

NPPES lists Oregon license number MD18119, 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.