NPPES file of Aug 9, 2026

Alison Pfeffer, N.P.

Family Nurse Practitioner · Snohomish, WA

Alison Pfeffer, N.P. is a family nurse practitioner with a practice address in Snohomish, Washington, and NPI 1275634255, issued on Sep 25, 2006. Check the license (Washington AP61201642, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275634255
Name
Alison Pfeffer
Credential
N.P.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
AP61201642 WA
201701724NP-PP OR
Self-reported in NPPES; status is on the state search
Practice location
1830 Bickford Ave Ste 211, Snohomish, WA 98290
Phone
(360) 568-1502
Enumerated
Sep 25, 2006
Record last updated
Sep 1, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1830 Bickford Ave Ste 211

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Crystal Blankinship, LMHCClinical Social Worker1144452319
  2. Smitha Krishnan, M.DInternal Medicine Physician1871974642
  3. Ashley Thor Tanner, DOFamily Medicine Physician1922741339

Verify Alison Pfeffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP61201642
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

58% more Medicare Part D claims than the average family nurse practitioner in 2024

2,065 Medicare Part D claims for 231 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 53 claims were for opioids.

  1. Alison Pfeffer2,065
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium209 claims
  2. Amlodipine Besylate114 claims
  3. Lisinopril96 claims
  4. Levothyroxine Sodium93 claims
  5. Losartan Potassium90 claims
  6. Rosuvastatin Calcium62 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.

Alison Pfeffer among 3,781 family nurse practitioner records in Washington

Alison Pfeffer, N.P. 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 84% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2022 · 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).

10 family nurse practitioner records list a practice address in Snohomish

They are 10 of the 558 NPPES records with a practice address in Snohomish, and 3,781 family nurse practitioner records in Washington.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kanchana AllanSnohomish, WA 982901215676853
  2. Cherokee Boman, NPSnohomish, WA 982901407732381
  3. Reya Grossmann, ARNPSnohomish, WA 982901982527503
  4. Lea Hynes, ARNPSnohomish, WA 982901306313127
  5. Anna Maul, ARNPSnohomish, WA 982901346118874
  6. Laura Paulsen, ARNPSnohomish, WA 982901952325979
  7. Katherine Post, ARNPSnohomish, WA 982901497671242
  8. Jennifer Vielhaber, NPSnohomish, WA 982901003597865

Common questions

What is Alison Pfeffer, N.P.'s NPI number?

Alison Pfeffer, N.P.'s National Provider Identifier (NPI) is 1275634255, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alison Pfeffer, N.P. located?

The NPPES record lists a practice address at 1830 Bickford Ave Ste 211, Snohomish, WA, 98290. Phone: (360) 568-1502. Providers update this record themselves, so call before visiting.

How can I verify Alison Pfeffer, N.P.'s license?

NPPES lists Washington license number AP61201642, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Alison Pfeffer, N.P. prescribe under Medicare Part D?

In 2024, Alison Pfeffer, N.P. had 2,065 Medicare Part D claims for 231 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.