Diane L. Walker, ARNP, CNM
Obstetrics & Gynecology Nurse Practitioner · Seattle, WA
Diane L. Walker, ARNP, CNM is an obstetrics & gynecology nurse practitioner with a practice address in Seattle, Washington, and NPI 1861614463, issued on May 3, 2007. Check the license (Washington AP60421358, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane L. Walker
- Credential
- ARNP, CNM
- Primary taxonomy
- Obstetrics & Gynecology Nurse Practitioner 363LX0001X
- License numbers
- AP60421358 WA
RN00090852 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Madison St Ste 950, Seattle, WA 98104
- Phone
- (206) 682-5800
- Enumerated
- May 3, 2007
- Record last updated
- Oct 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 2042961 WA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology nurse practitioner records → All 85 in Washington → Look up another NPI →
Also registered at 1101 Madison St Ste 950
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Chandler, ARNP, CNMObstetrics & Gynecology Nurse Practitioner1144649310
- Lisa CrosbyWomen's Health Nurse Practitioner1871896449
- Cecelia Curtis, PA-CSurgical Physician Assistant1821774597
- Jennifer Droz, MDObstetrics & Gynecology Physician1467461178
- Luba Foltz, MDObstetrics & Gynecology Physician1174631683
- Japjit Green, M.D.Plastic Surgery Physician1801329107
Verify Diane L. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60421358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average obstetrics & gynecology nurse practitioner in 2024
12 Medicare Part D claims, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D.
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.
Diane L. Walker among 85 obstetrics & gynecology nurse practitioner records in Washington
Diane L. Walker, ARNP, CNM is one of 85 obstetrics & gynecology nurse practitioner records with a practice address in Washington. 47% 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 40% of them.
- NPI issued2007 · 40% of these records are older, 51% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileNo · 33% of these records are
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Nurse Practitioner providers in Washington
There are 85 obstetrics & gynecology nurse practitioner records in Washington.
All 85 in Washington → Every provider in Seattle → Obstetrics & Gynecology Nurse Practitioner nationwide →
The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes
- Kimberly Andersen, ARNP, MSNSeattle, WA 981041508323023
- Kristina Braaten, ARNPSeattle, WA 981041699420026
- Sarah Chandler, ARNP, CNMSeattle, WA 981041144649310
- Elizabeth Fleming, ARNPSeattle, WA 981041730323791
- Marie Holt, ARNPSeattle, WA 981041891760641
- Carol Horwitt, ARNPSeattle, WA 981041588748297
- Devin Petschl, NPSeattle, WA 981041972047488
- Jeannette Proctor, ARNPSeattle, WA 981041619081700
Common questions
What is Diane L. Walker, ARNP, CNM's NPI number?
Diane L. Walker, ARNP, CNM's National Provider Identifier (NPI) is 1861614463, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diane L. Walker, ARNP, CNM located?
The NPPES record lists a practice address at 1101 Madison St Ste 950, Seattle, WA, 98104. Phone: (206) 682-5800. Providers update this record themselves, so call before visiting.
How can I verify Diane L. Walker, ARNP, CNM's license?
NPPES lists Washington license number AP60421358, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Diane L. Walker, ARNP, CNM prescribe under Medicare Part D?
In 2024, Diane L. Walker, ARNP, CNM had 12 Medicare Part D claims; the average among obstetrics & gynecology nurse practitioner prescribers was 198. 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.