NPPES file of Aug 9, 2026

Mary Lou Alonso, NP1578815783

Adult Health Nurse Practitioner · Cave Junction, OR

Mary Lou Alonso, NP1578815783 is an adult health nurse practitioner with a practice address in Cave Junction, Oregon, and NPI 1578815783, issued on Oct 11, 2012. Check the license (Oregon 202002885NP-PP, 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
1578815783
Name
Mary Lou Alonso
Credential
NP1578815783
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
202002885NP-PP OR
95009439 CA
721070 TX
Self-reported in NPPES; status is on the state search
Practice location
25647 Redwood Hwy, Cave Junction, OR 97523
Phone
(541) 592-4111
Enumerated
Oct 11, 2012
Record last updated
Nov 2, 2024
Fax
(541) 592-3916
Medicare enrollment
Enrolled (PECOS I20180425000850); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 2012
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.
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8 nearest adult health nurse practitioner records → All 308 in Oregon → Look up another NPI →

Also registered at 25647 Redwood Hwy

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

  1. Benjamin Allison, MDFamily Medicine Physician1306409305
  2. Terra Anderson, RDHDental Hygienist1700473139
  3. Susan Berg, A.R.N.P.Clinical Nurse Specialist1972506202
  4. Elbert Collins, M.D.Obstetrics & Gynecology Physician1801891767
  5. Tiffany Crane, NPNurse Practitioner1326586181
  6. Lisa Edwards, PPCNP-BCPediatric Nurse Practitioner1588151567

Verify Mary Lou Alonso 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 202002885NP-PP    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.

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3.0 times the Medicare Part D claims of the average adult health nurse practitioner in 2024

3,781 Medicare Part D claims for 245 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 146 claims were for opioids.

  1. Mary Lou Alonso3,781
  2. Specialty average1,280

Most prescribed

  1. Atorvastatin Calcium154 claims
  2. Levothyroxine Sodium133 claims
  3. Albuterol Sulfate Hfa126 claims
  4. Lisinopril125 claims
  5. Amlodipine Besylate124 claims
  6. Gabapentin122 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.

Industry payments in 2024: $51.48

2 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Lou Alonso$51.48
  2. Specialty average$946.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Siskiyou Community Health Center IncGrants Pass, OR

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

Mary Lou Alonso among 308 adult health nurse practitioner records in Oregon

Mary Lou Alonso, NP1578815783 is one of 308 adult health nurse practitioner records with a practice address in Oregon. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.

  • NPI issued2012 · 72% of these records are older, 23% newer
  • In a Medicare fileYes · 49% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2012 · median 2010 among the 106 with a school on file
  • Record last updated2024 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 adult health nurse practitioner records list a practice address in Cave Junction

They are 2 of the 50 NPPES records with a practice address in Cave Junction, and 308 adult health nurse practitioner records in Oregon.

All 308 in Oregon → Every provider in Cave Junction → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Michael Pruner, ARNPCave Junction, OR 975231356472161
  2. Robert Anthony, AGPCNPGrants Pass, OR 975261194357764
  3. Daniela Falcone, NPGrants Pass, OR 975261578180857
  4. Cynthia Mahoney, FNPGrants Pass, OR 975261174571186
  5. Dana Sheehan, DNP, APRN-BCGrants Pass, OR 975261952780058
  6. Heather Voss, ANPGrants Pass, OR 975261093715922
  7. Catherine Chiaradonna, NPGrants Pass, OR 975271003275843
  8. Cathryn Draper, ARNPGrants Pass, OR 975271003986696

Common questions

What is Mary Lou Alonso, NP1578815783's NPI number?

Mary Lou Alonso, NP1578815783's National Provider Identifier (NPI) is 1578815783, issued on Oct 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mary Lou Alonso, NP1578815783 located?

The NPPES record lists a practice address at 25647 Redwood Hwy, Cave Junction, OR, 97523. Phone: (541) 592-4111. Providers update this record themselves, so call before visiting.

How can I verify Mary Lou Alonso, NP1578815783's license?

NPPES lists Oregon license number 202002885NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Lou Alonso, NP1578815783 prescribe under Medicare Part D?

In 2024, Mary Lou Alonso, NP1578815783 had 3,781 Medicare Part D claims for 245 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.