David William Walker, FNP
Family Nurse Practitioner · Portland, OR
David William Walker, FNP is a family nurse practitioner with a practice address in Portland, Oregon, and NPI 1366686537, issued on May 1, 2009. Check the license (Oregon 201050208NP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David William Walker
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 201050208NP OR
200441166RN OR
Self-reported in NPPES; status is on the state search - Practice location
- 3900 NE 158TH Ave, Portland, OR 97230
- Phone
- (503) 255-4650
- Enumerated
- May 1, 2009
- Record last updated
- Jun 23, 2026
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,384 in Oregon → Look up another NPI →
Verify David William Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 201050208NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family nurse practitioner in 2024
56 Medicare Part D claims for 18 beneficiaries, against an average of 1,305 among the 140,557 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.
David William Walker among 2,384 family nurse practitioner records in Oregon
David William Walker, FNP is one of 2,384 family nurse practitioner records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 30% of them.
- NPI issued2009 · 30% of these records are older, 68% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
591 family nurse practitioner records list a practice address in Portland
They are 591 of the 42,088 NPPES records with a practice address in Portland, and 2,384 family nurse practitioner records in Oregon.
All 2,384 in Oregon → Every provider in Portland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Olubanke Babalola, FNPPortland, OR 972301013329002
- Miranda Boeh, NPPortland, OR 972301649574443
- Jeremiah Eldred, APRNPortland, OR 972301700016698
- Ingrid Flanders, FNPPortland, OR 972301649272550
- Kaylee Hopkins, FNPPortland, OR 972301699373142
- Angela Kern, FNP-BCPortland, OR 972301992229439
- Jessica Larsen, FNPPortland, OR 972301942918149
- Alexander Phan, RNPortland, OR 972301952749087
Common questions
What is David William Walker, FNP's NPI number?
David William Walker, FNP's National Provider Identifier (NPI) is 1366686537, issued on May 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David William Walker, FNP located?
The NPPES record lists a practice address at 3900 NE 158TH Ave, Portland, OR, 97230. Phone: (503) 255-4650. Providers update this record themselves, so call before visiting.
How can I verify David William Walker, FNP's license?
NPPES lists Oregon license number 201050208NP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does David William Walker, FNP prescribe under Medicare Part D?
In 2024, David William Walker, FNP had 56 Medicare Part D claims for 18 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.