Diana Brewster, DO
NPI 1992889851 · Family Medicine Physician · Canton, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Brewster, DO is a Family Medicine Physician provider in Canton, OH (NPI 1992889851).
Provider details
- NPI number
- 1992889851
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 34007790 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
643 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 193 | $120 |
| 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'SG2211 | 131 | $16 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 44 | $24 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 42 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 41 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 275 | 74 |
| Levothyroxine Sodium | 242 | 53 |
| Pantoprazole Sodium | 206 | 48 |
| Amlodipine Besylate | 187 | 45 |
| Bupropion Hclbrand: Bupropion Xl | 155 | 34 |
| Losartan Potassium | 136 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,748 across 188 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2019-02-15
Frequently asked questions
- What is Diana Brewster's NPI number?
- Diana Brewster's National Provider Identifier (NPI) is 1992889851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Brewster's specialty?
- Diana Brewster is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Brewster located?
- Diana Brewster's practice location on file with NPPES is 4172 Holiday St Nw, Canton, OH 44718-2532.
- What is Diana Brewster's phone number?
- The practice phone number listed in the NPPES registry for Diana Brewster is (330) 433-9260.
- Does Diana Brewster accept Medicare?
- Diana Brewster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Brewster's NPI active?
- Yes — Diana Brewster's NPI (1992889851) is active in the NPPES registry as of the last update on 2019-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.