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Pathology

Fernando J. Castro-Silva, MD

Works at hospitals in Libby, MT · Shelby, MT · Whitefish, MT … · Montana

Summary

Dr. Fernando J. Castro-Silva, MD is a pathologist at 310 Sunnyview Ln, Kalispell, MT 59901. Phone: (406) 752-1789. Accepts Medicare assignment. In 2024, Fernando J. Castro-Silva had 1,348 Original Medicare patients and 4,343 services. NPI 1811193857. 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 Fernando J. Castro-Silva, 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 Fernando J. Castro-Silva accept Medicare assignment?
Yes. Medicare's clinician data says Fernando J. Castro-Silva 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 Fernando J. Castro-Silva see?
In 2024, CMS data shows 1,348 Original Medicare patients and 4,343 services for Fernando J. Castro-Silva. This counts Original Medicare only and measures volume, not quality.
What is Fernando J. Castro-Silva's NPI number?
1811193857. 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 Fernando J. Castro-Silva, 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 patients1,348
Services billed to Medicare4,343
Different services or procedures24
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)2,025 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)861 services
  3. Special stained specimen slides to examine tissue, initial procedure (88342)357 services
  4. Microscopic genetic analysis of tumor, manual (88360)199 services
  5. Cell examination of specimen, selective cellular enhancement technique (88112)171 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 pressure63%
  • High cholesterol62%
  • Arthritis38%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%
  • Ischemic heart disease24%
  • Diabetes22%

Hospitals where Fernando J. Castro-Silva works

Medicare's Facility Affiliation Data lists Fernando J. Castro-Silva 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.

  • Cabinet Peaks Medical CenterLibby, MT · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 271320
  • Logan Health - ShelbyShelby, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271328
  • Logan Health - WhitefishWhitefish, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271336
  • Logan Health Medical CenterKalispell, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270051
  • Pondera Medical CenterConrad, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271324

Practice locations

Addresses where Fernando J. Castro-Silva is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Fernando J. Castro-Silva as a member of this group (CMS data updated October 2, 2026).

  • Glacier Regional Pathology, Ltd3 clinicians in the group

Specialties

Find other Pathology doctors in Montana →

Other pathologists in Montana

Clinicians with the same Medicare primary specialty in Montana — not a recommendation.

All pathologists in Montana →

Other clinicians in Glacier Regional Pathology, Ltd

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

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811193857
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