Isla Sage Oliver, CNM
Advanced Practice Midwife · Everett, WA
Isla Sage Oliver, CNM is an advanced practice midwife with a practice address in Everett, Washington, and NPI 1326766056, issued on Aug 18, 2022. Check the license (Washington AP61469789, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isla Sage Oliver
- Credential
- CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License numbers
- AP61469789 WA
RN61084888 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2918 Colby Ave Ste 206, Everett, WA 98201
- Phone
- (425) 654-1376
- Enumerated
- Aug 18, 2022
- Record last updated
- Jun 4, 2026
- Fax
- (229) 212-4372
- Medicare enrollment
- Enrolled (PECOS I20241003001963); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 528 in Washington → Look up another NPI →
Verify Isla Sage Oliver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61469789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average advanced practice midwife in 2024
52 Medicare Part D claims for 26 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol14 claims
- Clobetasol Propionate13 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.
Bills Medicare through one group practice
- Optum Care Washington PLLCEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isla Sage Oliver among 528 advanced practice midwife records in Washington
Isla Sage Oliver, CNM is one of 528 advanced practice midwife records with a practice address in Washington. 43% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.
- NPI issued2022 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 43% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2023 · median 2018 among the 168 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Practice Midwife providers in Washington
There are 528 advanced practice midwife records in Washington.
All 528 in Washington → Every provider in Everett → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Molly Altman, CNM, ARNPEverett, WA 982011467536771
- Laura Brakke, CNMEverett, WA 982011366538563
- Joy Chilcote, CNM, MN, ARNPEverett, WA 982011174830806
- Rebekah Couper-Noles, CNM, ARNPEverett, WA 982011306861000
- Jamie Crompton, CNMEverett, WA 982011033292768
- Sarah Flay, ARNP,CNMEverett, WA 982011588749451
- Jennifer Gaines, CNM, ARNPEverett, WA 982011841631991
- Elizabeth Herskovitz, CNMEverett, WA 982011861771123
Common questions
What is Isla Sage Oliver, CNM's NPI number?
Isla Sage Oliver, CNM's National Provider Identifier (NPI) is 1326766056, issued on Aug 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Isla Sage Oliver, CNM located?
The NPPES record lists a practice address at 2918 Colby Ave Ste 206, Everett, WA, 98201. Phone: (425) 654-1376. Providers update this record themselves, so call before visiting.
How can I verify Isla Sage Oliver, CNM's license?
NPPES lists Washington license number AP61469789, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Isla Sage Oliver, CNM prescribe under Medicare Part D?
In 2024, Isla Sage Oliver, CNM had 52 Medicare Part D claims for 26 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.