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

Pathology

Isaac R. Grindeland, MD

Works at hospitals in Great Falls, MT · Coeur D'alene, ID · Pullman, WA … · Montana, Idaho, Washington

Summary

Dr. Isaac R. Grindeland, MD is a pathologist at 13103 E Mansfield Ave, Spokane Valley, WA 99216. Phone: (509) 892-2700. Accepts Medicare assignment. In 2024, Isaac R. Grindeland had 1,908 Original Medicare patients and 4,786 services. NPI 1225103625. 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 Isaac R. Grindeland, 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 Isaac R. Grindeland accept Medicare assignment?
Yes. Medicare's clinician data says Isaac R. Grindeland 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 Isaac R. Grindeland see?
In 2024, CMS data shows 1,908 Original Medicare patients and 4,786 services for Isaac R. Grindeland. This counts Original Medicare only and measures volume, not quality.
What is Isaac R. Grindeland's NPI number?
1225103625. 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 Isaac R. Grindeland, 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 patients1,908
Services billed to Medicare4,786
Different services or procedures46
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)3,694 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)184 services
  3. Digitization of glass microscope slides for level iv surgical pathology (0753T)147 services
  4. Pathology examination of tissue using a microscope, moderately high complexity (88307)145 services
  5. Special stained specimen slides to examine tissue, initial procedure (88342)97 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 pressure66%
  • High cholesterol64%
  • Arthritis40%
  • Diabetes24%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)23%
  • Depression20%

Hospitals where Isaac R. Grindeland works

Medicare's Facility Affiliation Data lists Isaac R. Grindeland 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.

  • Great Falls Clinic HospitalGreat Falls, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270086
  • Kootenai HealthCoeur D'alene, ID · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 130049
  • Pullman Regional HospitalPullman, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501331
  • St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014
  • Whitman Hospital and Medical CenterColfax, WA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 501327

Practice locations

Addresses where Isaac R. Grindeland is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Isaac R. Grindeland as a member of this group (CMS data updated October 2, 2026).

  • Incyte Pathology PLLC48 clinicians in the group

Specialties

Find other Pathology doctors in Washington →

Other pathologists in Spokane Valley

Clinicians with the same Medicare primary specialty in Spokane Valley, WA — not a recommendation.

All pathologists in Spokane Valley →

Other clinicians in Incyte Pathology PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Dakota School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225103625
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