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Family Practice

Diana L. Brewster, DO

Works at hospitals in Canton, OH · Ohio

Summary

Dr. Diana L. Brewster, DO is a family doctor at 4172 Holiday Nwst, Canton, OH 44718. Phone: (330) 433-9260. Accepts Medicare assignment. In 2024, Diana L. Brewster had 71 Original Medicare patients and 797 services. NPI 1992889851. 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: Family doctor (Medicare lists Family Practice)
  • Address: 4172 Holiday Nwst, Canton, OH 44718 · Directions (1 more location)
  • Phone: (330) 433‑9260
  • Medicare: Accepts Medicare assignment
  • Hospitals: Aultman Hospital, Mercy Medical Center
  • Medical school: Ohio University, College Of Osteopathic Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Diana L. Brewster, 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 Diana L. Brewster accept Medicare assignment?
Yes. Medicare's clinician data says Diana L. Brewster 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 Diana L. Brewster see?
In 2024, CMS data shows 71 Original Medicare patients and 797 services for Diana L. Brewster. This counts Original Medicare only and measures volume, not quality.
What is Diana L. Brewster's NPI number?
1992889851. 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 Diana L. Brewster, 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 patients71
Services billed to Medicare797
Different services or procedures45
Participating Medicare providerYes
Average age of these patients69

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)193 services
  2. 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)131 services
  3. Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes (G0446)44 services
  4. Annual depression screening, 5 to 15 minutes (G0444)42 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)41 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 pressure72%
  • High cholesterol72%
  • Arthritis37%
  • Diabetes34%
  • Depression30%
  • Anxiety27%

Hospitals where Diana L. Brewster works

Medicare's Facility Affiliation Data lists Diana L. Brewster 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.

  • Aultman HospitalCanton, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360084
  • Mercy Medical CenterCanton, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360070

Practice locations

Addresses where Diana L. Brewster is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Ohio →

Other family doctors in Canton

Clinicians with the same Medicare primary specialty in Canton, OH — not a recommendation.

All family doctors in Canton →

Clinician information

CredentialDO
Medical schoolOhio University, College Of Osteopathic Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992889851
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