NPPES file of Aug 9, 2026

Mary Osing Welch, RN, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Portland, OR

Mary Osing Welch, RN, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Portland, Oregon, and NPI 1679724819, issued on Oct 7, 2008. Check the license (Oregon 200850133NP, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679724819
Name
Mary Osing Welch
Credential
RN, PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
200850133NP OR
200642765RN OR
Self-reported in NPPES; status is on the state search
Practice location
10373 NE Hancock St Ste 200, Portland, OR 97220
Phone
(503) 253-6754
Enumerated
Oct 7, 2008
Record last updated
Mar 6, 2026
Fax
(503) 253-8020
Medicare enrollment
Enrolled (PECOS I20260227003370); may accept Medicare assignment
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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8 nearest psychiatric/mental health nurse practitioner records → All 1,217 in Oregon → Look up another NPI →

Also registered at 10373 NE Hancock St Ste 200

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

  1. Evelyn Acopan, MAMental Health Counselor1003175332
  2. Stephen Arnold, MSW, CSWASocial Worker1679844278
  3. Seth BaronMental Health Counselor1104315308
  4. Brianne BittlesRegistered Nurse1598532772
  5. Erin Busby, LMSWMental Health Counselor1962772723
  6. Lindzee ChicasMental Health Counselor1225288046

Verify Mary Osing Welch 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 200850133NP    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

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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Mary Osing Welch among 1,217 psychiatric/mental health nurse practitioner records in Oregon

Mary Osing Welch, RN, PMHNP is one of 1,217 psychiatric/mental health nurse practitioner records with a practice address in Oregon. 65% 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 2008, is newer than 22% of them.

  • NPI issued2008 · 22% of these records are older, 75% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2008 · median 2019 among the 527 with a school on file
  • Record last updated2026 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Oregon

There are 1,217 psychiatric/mental health nurse practitioner records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,217 in Oregon → Every provider in Portland → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Eva Cicilian, ADVANCE PRACTICE RNPortland, OR 972201801449301
  2. Katharine Frissora, DNP, PMHNP-BC, RNPortland, OR 972201669814711
  3. Jennifer Holland, PMHNPPortland, OR 972201073533451
  4. Jacquiline KariukiPortland, OR 972201629722848
  5. Misha Love, PMHNPPortland, OR 972201356974984
  6. Elise Mahoney, FNP, PMHNP-BCPortland, OR 972201790054831
  7. Karen McNulty, NPPortland, OR 972201871846311
  8. Kristin Molina, PMHNPPortland, OR 972201215599303

Common questions

What is Mary Osing Welch, RN, PMHNP's NPI number?

Mary Osing Welch, RN, PMHNP's National Provider Identifier (NPI) is 1679724819, issued on Oct 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mary Osing Welch, RN, PMHNP located?

The NPPES record lists a practice address at 10373 NE Hancock St Ste 200, Portland, OR, 97220. Phone: (503) 253-6754. Providers update this record themselves, so call before visiting.

How can I verify Mary Osing Welch, RN, PMHNP's license?

NPPES lists Oregon license number 200850133NP, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.