NPPES file of Aug 9, 2026

Catherine Mary O'Brien, CNM

Advanced Practice Midwife · Enumclaw, WA

Catherine Mary O'Brien, CNM is an advanced practice midwife with a practice address in Enumclaw, Washington, and NPI 1871830125, issued on Jan 7, 2013. Check the license (Washington AP60635031, as entered in NPPES) with the Washington board that licenses this profession; 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
1871830125
Name
Catherine Mary O'Brien
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
AP60635031 WA
Self-reported in NPPES; status is on the state search
Practice location
853 Watson St N Ste 200, Enumclaw, WA 98022
Phone
(360) 367-2970
Enumerated
Jan 7, 2013
Record last updated
Feb 11, 2023
Medicare enrollment
Enrolled (PECOS I20190102001794); 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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Also registered at 853 Watson St N Ste 200

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

  1. Kaleigh Akers, ARNPFamily Nurse Practitioner1801612015
  2. Holly Dickson, MDObstetrics & Gynecology Physician1235145715
  3. Katie Etherington, CNM, WHNP-BCAdvanced Practice Midwife1205443637
  4. Whitney Vayntrub, PA-CPhysician Assistant1639625288

Verify Catherine Mary O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP60635031
    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 Washington license search

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17% fewer Medicare Part D claims than the average advanced practice midwife in 2024

60 Medicare Part D claims for 21 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D.

  1. Catherine O'Brien60
  2. Specialty average72

Most prescribed

  1. Clobetasol Propionate14 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.

Industry payments in 2024: $171.89

3 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 3,833 providers of this specialty with any payment received $204.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine O'Brien$171.89
  2. Specialty average$204.49

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Tri-Cities Community HealthKennewick, WA

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

6 advanced practice midwife records list a practice address in Enumclaw

They are 6 of the 361 NPPES records with a practice address in Enumclaw, and 528 advanced practice midwife records in Washington.

Other advanced practice midwife records in Washington

  1. Shaanti Abbruzzese, CNMVancouver, WA1063577815
  2. Marley Abrams, CNMVancouver, WA1538558762
  3. Marilyn Acquah, BSN, RNSeattle, WA1770118820
  4. Mahshid Aghasadeghi, ARNPSpokane, WA1962860981
  5. Bliss Ali, ARNP, CNMShoreline, WA1457547325
  6. Audrey Allard, CNMSeattle, WA1366674632
  7. Sarah Allen, DNP, CNM, ARNPSeattle, WA1831544915
  8. Molly Altman, CNM, ARNPEverett, WA1467536771
  9. Christy Aluko, CNMVancouver, WA1992328306
  10. Megan Ames, CNMRichland, WA1619508108

Common questions

What is Catherine Mary O'Brien, CNM's NPI number?

Catherine Mary O'Brien, CNM's National Provider Identifier (NPI) is 1871830125, issued on Jan 7, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Mary O'Brien, CNM located?

The NPPES record lists a practice address at 853 Watson St N Ste 200, Enumclaw, WA, 98022. Phone: (360) 367-2970. Providers update this record themselves, so call before visiting.

How can I verify Catherine Mary O'Brien, CNM's license?

NPPES lists Washington license number AP60635031, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine Mary O'Brien, CNM prescribe under Medicare Part D?

In 2024, Catherine Mary O'Brien, CNM had 60 Medicare Part D claims for 21 beneficiaries; the average among advanced practice midwife prescribers was 72. 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.