Mary Lou Alonso, NP1578815783
NPI 1578815783 · Adult Health Nurse Practitioner · Cave Junction, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lou Alonso, NP1578815783 is a Adult Health Nurse Practitioner provider in Cave Junction, OR (NPI 1578815783).
Provider details
- NPI number
- 1578815783
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP1578815783
- Sex
- Female
- Sole proprietor
- No
- License
- 95009439 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
248 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 74 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 70 | $10 |
| Hemoglobin A1c Level83036 | 55 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 49 | $13 |
Typical Medicare-allowed amounts for these services range $8–$13 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 154 | 48 |
| Levothyroxine Sodium | 133 | 38 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 126 | 39 |
| Lisinopril | 125 | 42 |
| Amlodipine Besylate | 124 | 37 |
| Gabapentin | 122 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-11
- Last updated
- 2024-11-02
- Certified
- 2024-11-02
Frequently asked questions
- What is Mary Lou Alonso's NPI number?
- Mary Lou Alonso's National Provider Identifier (NPI) is 1578815783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lou Alonso's specialty?
- Mary Lou Alonso is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lou Alonso located?
- Mary Lou Alonso's practice location on file with NPPES is 25647 Redwood Hwy, Cave Junction, OR 97523-9332.
- What is Mary Lou Alonso's phone number?
- The practice phone number listed in the NPPES registry for Mary Lou Alonso is (541) 592-4111.
- Does Mary Lou Alonso accept Medicare?
- Mary Lou Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lou Alonso's NPI active?
- Yes — Mary Lou Alonso's NPI (1578815783) is active in the NPPES registry as of the last update on 2024-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.