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Colorectal Surgery (Proctology)

Matthew A. Ziegler, MD

Works at hospitals in Farmington Hills, MI · Royal Oak, MI · Troy, MI · Michigan

Summary

Dr. Matthew A. Ziegler, MD is a colorectal surgeon at 1121 Crooks Rd, Royal Oak, MI 48067. Phone: (248) 541-8554. Accepts Medicare assignment. In 2024, Matthew A. Ziegler had 394 Original Medicare patients and 752 services. NPI 1518124981. 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 Matthew A. Ziegler, 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 Matthew A. Ziegler accept Medicare assignment?
Yes. Medicare's clinician data says Matthew A. Ziegler 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 Matthew A. Ziegler see?
In 2024, CMS data shows 394 Original Medicare patients and 752 services for Matthew A. Ziegler. This counts Original Medicare only and measures volume, not quality.
What is Matthew A. Ziegler's NPI number?
1518124981. 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 Matthew A. Ziegler, 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 patients394
Services billed to Medicare752
Different services or procedures66
Participating Medicare providerYes
Average age of these patients73

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)152 services
  2. Biopsy of large bowel using a flexible endoscope (45380)111 services
  3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)75 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)72 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)60 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 cholesterol75%
  • High blood pressure73%
  • Arthritis46%
  • Ischemic heart disease32%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)29%
  • Diabetes27%

Hospitals where Matthew A. Ziegler works

Medicare's Facility Affiliation Data lists Matthew A. Ziegler 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 - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
  • Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
  • Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269

Practice locations

Addresses where Matthew A. Ziegler is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

  • 1121 Crooks RdRoyal Oak, MI 48067 (248) 541‑8554
  • 28100 Grand River AveFarmington Hills, MI 48336
  • 3555 W 13 Mile RdRoyal Oak, MI 48073
  • 3577 W 13 Mile RdRoyal Oak, MI 48073
  • 3581 W 13 Mile Rd Bcc, Beaumont Breast Care CenterRoyal Oak, MI 48073 (248) 551‑3300

Group practices

Medicare enrollment lists Matthew A. Ziegler as a member of this group (CMS data updated October 2, 2026).

  • Beaumont Medical Group- Specialty Services847 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in Michigan →

Other colorectal surgeons in Royal Oak

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

All colorectal surgeons in Royal Oak →

Other clinicians in Beaumont Medical Group- Specialty Services

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College 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)1518124981
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