Quick answers
- Does Carolyn L. Arellanes accept Medicare assignment?
- Yes. Medicare's clinician data says Carolyn L. Arellanes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Carolyn L. Arellanes see?
- In 2024, CMS data shows 44 Original Medicare patients and 155 services for Carolyn L. Arellanes. This counts Original Medicare only and measures volume, not quality.
- What is Carolyn L. Arellanes's NPI number?
- 1659501880. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Carolyn L. Arellanes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 44 |
|---|---|
| Services billed to Medicare | 155 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Blood test, comprehensive group of blood chemicals (80053)26 services
- Hemoglobin a1c level (83036)23 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)18 services
- Blood test, thyroid stimulating hormone (tsh) (84443)14 services
- Thyroid hormone, t3 measurement, free (84481)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure68%
- Arthritis41%
- High cholesterol36%
- Diabetes34%
Hospitals where Carolyn L. Arellanes works
Medicare's Facility Affiliation Data lists Carolyn L. Arellanes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Curry General HospitalGold Beach, OR · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 381322
- Mad River Community HospitalArcata, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050028
- Providence St Joseph HospitalEureka, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050006
- Sutter Coast HospitalCrescent City, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050417
Practice locations
Addresses where Carolyn L. Arellanes is enrolled with Medicare (CMS data updated October 2, 2026).
- 1600 Weeot WayArcata, CA 95521 (707) 825‑5000
- 501 N Indian RdSmith River, CA 95567 (707) 487‑0215
Group practices
Medicare enrollment lists Carolyn L. Arellanes as a member of this group (CMS data updated October 2, 2026).
- United Indian Health Services, Inc.24 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Arcata
Clinicians with the same Medicare primary specialty in Arcata, CA — not a recommendation.
Other clinicians in United Indian Health Services, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of California, Davis School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659501880 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians