Katherine Louise Nelson-Armstrong, LMFT
Marriage & Family Therapist · Portland, OR
Katherine Louise Nelson-Armstrong, LMFT is a marriage & family therapist with a practice address in Portland, Oregon, and NPI 1396265138, issued on Jun 22, 2017. Check the license (Oregon T2423, as entered in NPPES) with the Oregon board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Louise Nelson-Armstrong
- Credential
- LMFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License numbers
- T2423 OR
14-R-23 OR
CP60168467 WA
Self-reported in NPPES; status is on the state search - Practice location
- 818 NW 17TH Ave Ste 8, Portland, OR 97209
- Phone
- (503) 583-7434
- Enumerated
- Jun 22, 2017
- Record last updated
- Dec 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20260505004133); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 1,434 in Oregon → Look up another NPI →
Verify Katherine Louise Nelson-Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license T2423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katherine Louise Nelson-Armstrong among 1,434 marriage & family therapist records in Oregon
Katherine Louise Nelson-Armstrong, LMFT is one of 1,434 marriage & family therapist records with a practice address in Oregon. 5% 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 2017, is newer than 61% of them.
- NPI issued2017 · 61% of these records are older, 35% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2018 · median 2012 among the 149 with a school on file
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
513 marriage & family therapist records list a practice address in Portland
They are 513 of the 42,088 NPPES records with a practice address in Portland, and 1,434 marriage & family therapist records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,434 in Oregon → Every provider in Portland → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Jeanne Bjorklund, LMFTPortland, OR 972091417115445
- Kimberly Christensen, LMFTPortland, OR 972091861888364
- Nancy Davidian, LCSWPortland, OR 972091972795748
- Beverley Duke-Young, M.S.Portland, OR 972091972584548
- Darcy Lyon, MFTPortland, OR 972091588046486
- Ann Marie McHenry, MA, LMFTPortland, OR 972091477854750
- Robert Picariello, MS, LMFT, CADC IIPortland, OR 972091477956597
- Jeffrey Post-Holmberg, MAPortland, OR 972091043463839
Common questions
What is Katherine Louise Nelson-Armstrong, LMFT's NPI number?
Katherine Louise Nelson-Armstrong, LMFT's National Provider Identifier (NPI) is 1396265138, issued on Jun 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Louise Nelson-Armstrong, LMFT located?
The NPPES record lists a practice address at 818 NW 17TH Ave Ste 8, Portland, OR, 97209. Phone: (503) 583-7434. Providers update this record themselves, so call before visiting.
How can I verify Katherine Louise Nelson-Armstrong, LMFT's license?
NPPES lists Oregon license number T2423, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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. 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.