Cassandra Willison, CNM
Advanced Practice Midwife · Greenbank, WA
Cassandra Willison, CNM is an advanced practice midwife with a practice address in Greenbank, Washington, and NPI 1043608300, issued on Jan 8, 2015. Check the license (Washington AP60533429, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cassandra Willison
- Credential
- CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License number
- AP60533429 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3455 Old County RD, Greenbank, WA 98253
- Phone
- (360) 678-3594
- Enumerated
- Jan 8, 2015
- Entity
- Type 1 · individual
Also registered at 3455 Old County RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Toni Marthaller-Andersen, ARNPFamily Nurse Practitioner1679536916
- Diana Miller, CPM LMMidwife1366921868
Verify Cassandra Willison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60533429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1 advanced practice midwife records list a practice address in Greenbank
They are 1 of the 15 NPPES records with a practice address in Greenbank, and 528 advanced practice midwife records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other advanced practice midwife records in Washington
- Shaanti Abbruzzese, CNMVancouver, WA1063577815
- Marley Abrams, CNMVancouver, WA1538558762
- Marilyn Acquah, BSN, RNSeattle, WA1770118820
- Mahshid Aghasadeghi, ARNPSpokane, WA1962860981
- Bliss Ali, ARNP, CNMShoreline, WA1457547325
- Audrey Allard, CNMSeattle, WA1366674632
- Sarah Allen, DNP, CNM, ARNPSeattle, WA1831544915
- Molly Altman, CNM, ARNPEverett, WA1467536771
- Christy Aluko, CNMVancouver, WA1992328306
- Megan Ames, CNMRichland, WA1619508108
Common questions
What is Cassandra Willison, CNM's NPI number?
Cassandra Willison, CNM's National Provider Identifier (NPI) is 1043608300, issued on Jan 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Willison, CNM located?
The NPPES record lists a practice address at 3455 Old County RD, Greenbank, WA, 98253. Phone: (360) 678-3594. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Willison, CNM's license?
NPPES lists Washington license number AP60533429, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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) 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 27, 2026.