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Anesthesiology

William J. Mansfield, MD

Works at hospitals in Troy, MI · Michigan

Summary

Dr. William J. Mansfield, MD is an anesthesiologist at 468 Cadieux Rd, Grosse Pointe, MI 48230. Phone: (214) 687-0001. May accept Medicare assignment. In 2024, William J. Mansfield had 256 Original Medicare patients and 272 services. NPI 1750323622. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 468 Cadieux Rd, Grosse Pointe, MI 48230 · Directions
  • Phone: (214) 687‑0001
  • Medicare: May accept Medicare assignment
  • Hospital: Beaumont Hospital, Troy
  • Group practice: Northstar Anesthesia of Michigan III PLLC
  • Medical school: Wayne State University School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William J. Mansfield, 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 William J. Mansfield accept Medicare assignment?
Medicare's clinician data says William J. Mansfield may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does William J. Mansfield see?
In 2024, CMS data shows 256 Original Medicare patients and 272 services for William J. Mansfield. This counts Original Medicare only and measures volume, not quality.
What is William J. Mansfield's NPI number?
1750323622. 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 William J. Mansfield, 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 patients256
Services billed to Medicare272
Different services or procedures57
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)76 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)41 services
  3. Anesthesia for other procedure on large bowel using an endoscope (00811)15 services
  4. Anesthesia for x-ray or radiation therapy (01922)12 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%
  • Arthritis68%
  • Ischemic heart disease50%
  • Diabetes40%
  • Chronic kidney disease38%

Hospitals where William J. Mansfield works

Medicare's Facility Affiliation Data lists William J. Mansfield 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.

  • Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269

Practice locations

Addresses where William J. Mansfield is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Northstar Anesthesia of Michigan III PLLC561 clinicians in the group

Specialties

Find other Anesthesiology doctors in Michigan →

Other anesthesiologists in Grosse Pointe

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

All anesthesiologists in Grosse Pointe →

Other clinicians in Northstar Anesthesia of Michigan III PLLC

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1750323622
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