NPPES file of Aug 9, 2026

Alyssa Castillo

Family Nurse Practitioner · Portland, OR

Alyssa Castillo is a family nurse practitioner with a practice address in Portland, Oregon, and NPI 1942080346, issued on Oct 3, 2023. Check the license (Oregon 10015482, as entered in NPPES) with the Oregon 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
1942080346
Name
Alyssa Castillo
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
10015482 OR
Self-reported in NPPES; status is on the state search
Practice location
3811 N Albina Ave Apt B106, Portland, OR 97227
Phone
(510) 648-8036
Enumerated
Oct 3, 2023
Record last updated
Oct 3, 2023
Medicare enrollment
Enrolled (PECOS I20250310002466); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Alyssa Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 10015482
    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 Oregon 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.

85% fewer Medicare Part D claims than the average family nurse practitioner in 2024

197 Medicare Part D claims for 146 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Alyssa Castillo197
  2. Specialty average1,305

Most prescribed

  1. Doxycycline Hyclate23 claims
  2. Amoxicillin-Clavulanate Potass22 claims
  3. Cephalexin16 claims
  4. Albuterol Sulfate Hfa14 claims
  5. Nitrofurantoin Mono-Macro13 claims
  6. Mupirocin11 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 2 group practices

  1. Legacy Clinics LLCGresham, OR
  2. Legacy Salmon Creek HospitalVancouver, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alyssa Castillo among 2,384 family nurse practitioner records in Oregon

Alyssa Castillo 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 2023, is newer than 87% of them.

  • NPI issued2023 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2023 · median 2017 among the 1,390 with a school on file
  • Record last updated2023 · 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.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Madalene Anderson, FNPPortland, OR 972271659485779
  2. Pamela Avila, PNPPortland, OR 972271811011174
  3. Lisa Clark, FNPPortland, OR 972271942276282
  4. Megan Danish, FNPPortland, OR 972271558459495
  5. Jessica Dudley, FNPPortland, OR 972271003258344
  6. Bruce Eastman, FNPPortland, OR 972271801144472
  7. Stephanie Gardiner, NPPortland, OR 972271770702805
  8. Kari Komlofske, FNP-CPortland, OR 972271538489158

Common questions

What is Alyssa Castillo's NPI number?

Alyssa Castillo's National Provider Identifier (NPI) is 1942080346, issued on Oct 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Castillo located?

The NPPES record lists a practice address at 3811 N Albina Ave Apt B106, Portland, OR, 97227. Phone: (510) 648-8036. Providers update this record themselves, so call before visiting.

How can I verify Alyssa Castillo's license?

NPPES lists Oregon license number 10015482, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Alyssa Castillo prescribe under Medicare Part D?

In 2024, Alyssa Castillo had 197 Medicare Part D claims for 146 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.