NPPES file of Aug 9, 2026

Maureen Cecilia Nash, M.D., M.S.

Psychiatry Physician · Portland, OR

Maureen Cecilia Nash, M.D., M.S. is a psychiatry physician with a practice address in Portland, Oregon, and NPI 1649388521, issued on Aug 29, 2006. Check the license (Oregon MD25553, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649388521
Name
Maureen Cecilia Nash
Credential
M.D., M.S.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
MD25553 OR
MD.MD.61615572 WA
Self-reported in NPPES; status is on the state search
Practice location
703 NE Hancock St, Portland, OR 97212
Phone
(503) 230-9875
Enumerated
Aug 29, 2006
Record last updated
Jan 3, 2025
Fax
(503) 331-3441
Medicaid ID
277886 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 703 NE Hancock St

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

  1. Ruby Ackermann, CHWCommunity Health Worker1033079785
  2. Hajjar Alturky, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1003415399
  3. Shantana Benally, RNRegistered Nurse1316897739
  4. Amiya Brazzle-Morgan, RNGeneral Practice Registered Nurse1225981079
  5. Perla Castillo Palacios, RDRegistered Dietitian1477136901
  6. John Chapman, LPCProfessional Counselor1346213584

Verify Maureen Cecilia Nash in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD25553
    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

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94% fewer Medicare Part D claims than the average psychiatry physician in 2024

57 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Maureen Nash57
  2. Specialty average1,000

Most prescribed

  1. Bupropion Hcl Sr14 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.

Maureen Cecilia Nash among 764 psychiatry physician records in Oregon

Maureen Cecilia Nash, M.D., M.S. is one of 764 psychiatry physician records with a practice address in Oregon. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 57% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · 39% of these records are
  • Record last updated2025 · 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 2084P0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Oregon

There are 764 psychiatry physician records in Oregon.

The 8 psychiatry physician records with the nearest ZIP codes

  1. John Beahrs, M.D.Portland, OR 972121558359687
  2. Patricia Gardner, MDPortland, OR 972121326114760
  3. Edward Green, M.D.Portland, OR 972121477559102
  4. Kristen Helms, PMHNP-BCPortland, OR 972121154178788
  5. Moses Ijaz, D.O.Portland, OR 972121558325902
  6. Peter Morey, M.D.Portland, OR 972121376650762
  7. Catherine Rockwood, M.D.Portland, OR 972121649567314
  8. Ian Starr, M.D.Portland, OR 972121174768865

Common questions

What is Maureen Cecilia Nash, M.D., M.S.'s NPI number?

Maureen Cecilia Nash, M.D., M.S.'s National Provider Identifier (NPI) is 1649388521, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maureen Cecilia Nash, M.D., M.S. located?

The NPPES record lists a practice address at 703 NE Hancock St, Portland, OR, 97212. Phone: (503) 230-9875. Providers update this record themselves, so call before visiting.

How can I verify Maureen Cecilia Nash, M.D., M.S.'s license?

NPPES lists Oregon license number MD25553, 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.

How much does Maureen Cecilia Nash, M.D., M.S. prescribe under Medicare Part D?

In 2024, Maureen Cecilia Nash, M.D., M.S. had 57 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.