Erik G. Janson, ARNP
Family Nurse Practitioner · Seattle, WA
Erik G. Janson, ARNP is a family nurse practitioner with a practice address in Seattle, Washington, and NPI 1891121067, issued on Sep 19, 2013. Check the license (Washington AP60405032, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erik G. Janson
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP60405032 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 NW Market St Ste 101, Seattle, WA 98107
- Phone
- (800) 722-3009
- Enumerated
- Sep 19, 2013
- Record last updated
- Sep 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 1891121067 WA
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Verify Erik G. Janson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60405032Check 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
50 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.
Erik G. Janson among 3,781 family nurse practitioner records in Washington
Erik G. Janson, ARNP is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 36% of them.
- NPI issued2013 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2019 · 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
663 family nurse practitioner records list a practice address in Seattle
They are 663 of the 41,956 NPPES records with a practice address in Seattle, and 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Seattle → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Annette Anderson, PMHNP-C, FNP-CSeattle, WA 981071255713145
- Jen Casebeer, ARNPSeattle, WA 981071063957835
- Martin Frank, ARNP, FNP-CSeattle, WA 981071033458724
- Cara Gilbert-Au, FNP-CSeattle, WA 981071710390760
- Yun Lee, ARNPSeattle, WA 981071922471457
- Sophia Mallet, FNP-C, ARNPSeattle, WA 981071215467527
- Melissa Mossar, ARNP, DNPSeattle, WA 981071790158376
- Elizabeth Negash, ARNPSeattle, WA 981071538708078
Common questions
What is Erik G. Janson, ARNP's NPI number?
Erik G. Janson, ARNP's National Provider Identifier (NPI) is 1891121067, issued on Sep 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Erik G. Janson, ARNP located?
The NPPES record lists a practice address at 1500 NW Market St Ste 101, Seattle, WA, 98107. Phone: (800) 722-3009. Providers update this record themselves, so call before visiting.
How can I verify Erik G. Janson, ARNP's license?
NPPES lists Washington license number AP60405032, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Erik G. Janson, ARNP prescribe under Medicare Part D?
In 2024, Erik G. Janson, ARNP had 50 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.