Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Alexis A. Loudon, NP

Works at hospitals in Fort Bragg, CA · Ukiah, CA · California

Summary

Alexis A. Loudon, NP is a nurse practitioner at 10 Woodland Rd, Saint Helena, CA 94574. Phone: (707) 963-3611. Accepts Medicare assignment. In 2024, Alexis A. Loudon had 128 Original Medicare patients and 159 services. NPI 1700666138. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexis A. Loudon, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alexis A. Loudon accept Medicare assignment?
Yes. Medicare's clinician data says Alexis A. Loudon 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 Alexis A. Loudon see?
In 2024, CMS data shows 128 Original Medicare patients and 159 services for Alexis A. Loudon. This counts Original Medicare only and measures volume, not quality.
What is Alexis A. Loudon's NPI number?
1700666138. 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 Alexis A. Loudon, 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 patients128
Services billed to Medicare159
Different services or procedures17
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)95 services
  2. Emergency department visit with low level of medical decision making (99283)39 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 pressure59%
  • High cholesterol55%
  • Arthritis40%
  • Anxiety29%
  • Diabetes22%
  • Depression20%

Hospitals where Alexis A. Loudon works

Medicare's Facility Affiliation Data lists Alexis A. Loudon 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.

  • Adventist Health Mendocino CoastFort Bragg, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051325
  • Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050301

Practice locations

Addresses where Alexis A. Loudon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexis A. Loudon as a member of these groups (CMS data updated October 2, 2026).

  • Pacific Redwood Medical Group Inc58 clinicians in the group
  • Adventist Health Mendocino Coast56 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Saint Helena

Clinicians with the same Medicare primary specialty in Saint Helena, CA — not a recommendation.

All nurse practitioners in Saint Helena →

Other clinicians in Pacific Redwood Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700666138
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians