Marguerite Jeanne Gareau, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Portland, OR
Marguerite Jeanne Gareau, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Portland, Oregon, and NPI 1164576914, issued on Jan 22, 2007. Check the license (Oregon 200250045NP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marguerite Jeanne Gareau
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 200250045NP OR
Self-reported in NPPES; status is on the state search - Practice location
- 2929 SW Multnomah Blvd, Portland, OR 97219
- Phone
- (503) 998-8346
- Enumerated
- Jan 22, 2007
- Record last updated
- Jun 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (503) 972-1373
- Medicaid ID
- 000692 OR
- Medicare enrollment
- Enrolled (PECOS I20070508000103); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,217 in Oregon → Look up another NPI →
Also registered at 2929 SW Multnomah Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Eastman, PH. D.Clinical Psychologist1659353746
- Kathleen Gillis, PSY.D.Clinical Psychologist1326268715
- Melissa Grossman, M.S., L.P.C.Professional Counselor1912234022
- Lois Lee, LMT OR#8031Massage Therapist1275915787
- Robin Magdahlen, M.A. RDT, LPCProfessional Counselor1548659188
- Kristen McClard, PSY.D.Clinical Psychologist1043271083
Verify Marguerite Jeanne Gareau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 200250045NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
257 Medicare Part D claims for 25 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Lorazepam24 claims
- Sertraline Hcl24 claims
- Quetiapine Fumarate21 claims
- Alprazolam19 claims
- Dextroamphetamine-Amphetamine19 claims
- Clonazepam15 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.
Marguerite Jeanne Gareau among 1,217 psychiatric/mental health nurse practitioner records in Oregon
Marguerite Jeanne Gareau, 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. Its NPI, issued in 2007, is newer than 14% of them.
- NPI issued2007 · 14% of these records are older, 78% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2002 · median 2019 among the 527 with a school on file
- Record last updated2013 · 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.
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
- Johnni Cansler, APRNPortland, OR 972191144709403
- Alan Kaiser, PMHNP, LCSWPortland, OR 972191013005792
- Brittany Langan, APRNPortland, OR 972191730063868
- Susan Murphy, PMHNPPortland, OR 972191114918216
- Katharine Frissora, DNP, PMHNP-BC, RNPortland, OR 972201669814711
- Jennifer Holland, PMHNPPortland, OR 972201073533451
- Elise Mahoney, FNP, PMHNP-BCPortland, OR 972201790054831
- Karen McNulty, NPPortland, OR 972201871846311
Common questions
What is Marguerite Jeanne Gareau, PMHNP's NPI number?
Marguerite Jeanne Gareau, PMHNP's National Provider Identifier (NPI) is 1164576914, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marguerite Jeanne Gareau, PMHNP located?
The NPPES record lists a practice address at 2929 SW Multnomah Blvd, Portland, OR, 97219. Phone: (503) 998-8346. Providers update this record themselves, so call before visiting.
How can I verify Marguerite Jeanne Gareau, PMHNP's license?
NPPES lists Oregon license number 200250045NP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Marguerite Jeanne Gareau, PMHNP prescribe under Medicare Part D?
In 2024, Marguerite Jeanne Gareau, PMHNP had 257 Medicare Part D claims for 25 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.