NPPES file of Aug 9, 2026

Jon Guy Kirwan, PHD

Mental Health Counselor · Medford, OR

Jon Guy Kirwan, PHD is a mental health counselor with a practice address in Medford, Oregon, and NPI 1891931911, issued on Dec 18, 2008. Check the license (Oregon C8590, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891931911
Name
Jon Guy Kirwan
Credential
PHD
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
C8590 OR
Self-reported in NPPES; status is on the state search
Practice location
3617 S Pacific Hwy, Medford, OR 97501
Phone
(541) 535-6239
Enumerated
Dec 18, 2008
Record last updated
Nov 15, 2024
Medicare enrollment
Enrolled (PECOS I20241121002218); accepts 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 mental health counselor records → All 15,190 in Oregon → Look up another NPI →

Also registered at 3617 S Pacific Hwy

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

  1. Ashleigh Adams, BAMental Health Counselor1871142562
  2. Staci Antaya, BA, BSN, MSN, FNPFamily Nurse Practitioner1396555652
  3. Toni Asher, RNRegistered Nurse1407360241
  4. Tami Askren, RNRegistered Nurse1649679556
  5. Praneeta Aviles, FNPFamily Nurse Practitioner1255162046
  6. Lucinda Baldovino, LCSWClinical Social Worker1457852303

Verify Jon Guy Kirwan 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 C8590    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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Bills Medicare through one group practice

  1. LA Clinica Del Valle Family Health Care Center IncMedford, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jon Guy Kirwan among 15,190 mental health counselor records in Oregon

Jon Guy Kirwan, PHD is one of 15,190 mental health counselor records with a practice address in Oregon. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 9% of them.

  • NPI issued2008 · 9% of these records are older, 89% newer
  • In a Medicare fileYes · 2% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2005 · median 2016 among the 659 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

692 mental health counselor records list a practice address in Medford

They are 692 of the 4,542 NPPES records with a practice address in Medford, and 15,190 mental health counselor records in Oregon.

All 15,190 in Oregon → Every provider in Medford → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Angela Brown, LPCMedford, OR 975011235364639
  2. William Camp, LSCSWMedford, OR 975011033216346
  3. Erin Cue, MSWMedford, OR 975011184897407
  4. Ellen Denninger, MAMedford, OR 975011033393541
  5. Helena Elam, LPCMedford, OR 975011134393598
  6. Jennifer Henderson, MS, LPCMedford, OR 975011962675249
  7. Teleska KasperMedford, OR 975011356526859
  8. Ariel KeenMedford, OR 975011710126511

Common questions

What is Jon Guy Kirwan, PHD's NPI number?

Jon Guy Kirwan, PHD's National Provider Identifier (NPI) is 1891931911, issued on Dec 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jon Guy Kirwan, PHD located?

The NPPES record lists a practice address at 3617 S Pacific Hwy, Medford, OR, 97501. Phone: (541) 535-6239. Providers update this record themselves, so call before visiting.

How can I verify Jon Guy Kirwan, PHD's license?

NPPES lists Oregon license number C8590, 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. Medicare files from data.cms.gov. 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.