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Pathology

Joshua Klonoski, MD

Works at hospitals in Jackson, MI · Detroit, MI · W Bloomfield, MI … · Michigan

Summary

Dr. Joshua Klonoski, MD is a pathologist at 2799 W Grand Blvd, Detroit, MI 48202. Phone: (313) 916-2600. Accepts Medicare assignment. In 2024, Joshua Klonoski had 300 Original Medicare patients and 1,434 services. NPI 1831543354. 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 Joshua Klonoski, 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 Joshua Klonoski accept Medicare assignment?
Yes. Medicare's clinician data says Joshua Klonoski 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 Joshua Klonoski see?
In 2024, CMS data shows 300 Original Medicare patients and 1,434 services for Joshua Klonoski. This counts Original Medicare only and measures volume, not quality.
What is Joshua Klonoski's NPI number?
1831543354. 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 Joshua Klonoski, 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 patients300
Services billed to Medicare1,434
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Special stained specimen slides to examine tissue, each additional procedure (88341)347 services
  2. Pathology examination of tissue using a microscope, intermediate complexity (88305)268 services
  3. Pathology examination of tissue using a microscope, moderately high complexity (88307)185 services
  4. Special stained specimen slides to examine tissue, initial procedure (88342)130 services
  5. Microscopic genetic analysis of tumor, manual (88360)107 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 pressure75%
  • High cholesterol64%
  • Arthritis47%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)45%
  • Chronic kidney disease26%
  • Anxiety25%

Hospitals where Joshua Klonoski works

Medicare's Facility Affiliation Data lists Joshua Klonoski 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.

Practice locations

Addresses where Joshua Klonoski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joshua Klonoski as a member of these groups (CMS data updated October 2, 2026).

  • Henry Ford Health System2,570 clinicians in the group
  • Henry Ford Pathology47 clinicians in the group

Specialties

Find other Pathology doctors in Michigan →

Other pathologists in Detroit

Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.

All pathologists in Detroit →

Other clinicians in Henry Ford Health System

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

Clinician information

CredentialMD
Medical schoolSanford School Of Medicine Of University Of South Dakota
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831543354
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