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Vascular Surgery

James T. McLaren, MD

Works at hospitals in Allegan, MI · Kalamazoo, MI · Michigan

Summary

Dr. James T. McLaren, MD is a vascular surgeon at 1541 Gull Rd, Kalamazoo, MI 49048. Phone: (269) 381-7380. Accepts Medicare assignment. In 2024, James T. McLaren had 107 Original Medicare patients and 548 services. NPI 1710943725. 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.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 1541 Gull Rd, Kalamazoo, MI 49048 · Directions
  • Phone: (269) 381‑7380
  • Medicare: Accepts Medicare assignment
  • Hospitals: Beacon Allegan, Borgess Medical Center
  • Group practice: Ascension Medical Group Promed
  • Medical school: University Of Connecticut School Of Medicine · graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about James T. McLaren, 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 James T. McLaren accept Medicare assignment?
Yes. Medicare's clinician data says James T. McLaren 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 James T. McLaren see?
In 2024, CMS data shows 107 Original Medicare patients and 548 services for James T. McLaren. This counts Original Medicare only and measures volume, not quality.
What is James T. McLaren's NPI number?
1710943725. 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 James T. McLaren, 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 patients107
Services billed to Medicare548
Different services or procedures21
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)274 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)57 services
  3. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)30 services
  4. Ultrasound study of arm and leg arteries (93922)22 services
  5. Ultrasound of both sides of head and neck blood flow (93880)18 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 cholesterol75%
  • Arthritis54%
  • Diabetes47%
  • Chronic kidney disease47%
  • Ischemic heart disease40%

Hospitals where James T. McLaren works

Medicare's Facility Affiliation Data lists James T. McLaren 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.

  • Beacon AlleganAllegan, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231328
  • Borgess Medical CenterKalamazoo, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230117

Practice locations

Addresses where James T. McLaren is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James T. McLaren as a member of this group (CMS data updated October 2, 2026).

  • Ascension Medical Group Promed262 clinicians in the group

Specialties

Find other Vascular Surgery doctors in Michigan →

Other vascular surgeons in Kalamazoo

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

All vascular surgeons in Kalamazoo →

Other clinicians in Ascension Medical Group Promed

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

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710943725
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