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Urology

Austin J. Fernstrum, MD

Works at hospitals in Kalamazoo, MI · Battle Creek, MI · Paw Paw, MI … · Michigan

Summary

Dr. Austin J. Fernstrum, MD is a urologist at 1535 Gull Rd, Suite 150, Kalamazoo, MI 49048. Phone: (269) 349-9745. Accepts Medicare assignment. In 2024, Austin J. Fernstrum had 347 Original Medicare patients and 818 services. NPI 1952763153. 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 Austin J. Fernstrum, 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 Austin J. Fernstrum accept Medicare assignment?
Yes. Medicare's clinician data says Austin J. Fernstrum 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 Austin J. Fernstrum see?
In 2024, CMS data shows 347 Original Medicare patients and 818 services for Austin J. Fernstrum. This counts Original Medicare only and measures volume, not quality.
What is Austin J. Fernstrum's NPI number?
1952763153. 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 Austin J. Fernstrum, 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 patients347
Services billed to Medicare818
Different services or procedures56
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)198 services
  2. Diagnostic exam of bladder and urethra using an endoscope (52000)132 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)83 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)55 services
  5. Imaging of urinary tract following injection of a contrast agent (74420)43 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 cholesterol74%
  • High blood pressure69%
  • Arthritis40%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
  • Diabetes31%
  • Ischemic heart disease29%

Hospitals where Austin J. Fernstrum works

Medicare's Facility Affiliation Data lists Austin J. Fernstrum 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 Austin J. Fernstrum is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Austin J. Fernstrum as a member of this group (CMS data updated October 2, 2026).

  • Bronson Methodist Hospital729 clinicians in the group

Specialties

Find other Urology doctors in Michigan →

Other urologists in Kalamazoo

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

All urologists in Kalamazoo →

Other clinicians in Bronson Methodist Hospital

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

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952763153
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