Doctor profile · Federal record

Dr. Diana Brewster, DO

Family Medicine Physician (CMS: Family Practice) · Canton, OH

  • NPI 1992889851
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4172 Holiday St Nw
Canton, OH 447182532
(330) 433-9260
fax (330) 433-9263

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 15, 2019
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Ohio #34007790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992889851. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
353
Distinct HCPCS
10
Medicare allowed
$25,292
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 118 55 $122
36415 Insertion of needle into vein for collection of blood sample 40 29 $8
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 26 26 $25
G0444 Annual depression screening, 5 to 15 minutes 25 25 $17
81003 Automated urinalysis test 19 14 $2
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 19 19 $123
82044 Urine microalbumin (protein) analysis 18 16 $6
82570 Creatinine level to test for kidney function or muscle injury 18 16 $5
G0008 Administration of influenza virus vaccine 18 17 $29
90662 Influenza vaccine split virus, preservative free 17 16 $72

In context: peer comparison

Among 15 peers in Canton Family Medicine Physician, average services per provider: 107. This provider delivers 3.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,748
Transactions
177
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 37 $340.72
AstraZeneca Pharmaceuticals Lp 20 $333.06
Abbvie INC. 29 $331.65
Novo Nordisk INC 20 $278.37
Daiichi Sankyo INC. 8 $219.17
GlaxoSmithKline, LLC. 17 $200.37
Lilly USA, LLC 10 $167.89
Corcept Therapeutics 9 $156.04
Novartis Pharmaceuticals Corporation 11 $153.65
Axsome Therapeutics, INC. 1 $107.53
Boehringer Ingelheim Pharmaceuticals, INC. 5 $89.94
Merck Sharp & Dohme LLC 3 $52.42
Janssen Pharmaceuticals, INC 3 $50.78
Astellas Pharma US INC 2 $41.11
Abbott Laboratories 2 $40.01

By nature of payment

Food and Beverage
$2,748

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,125
Patients
486
Total drug cost
$30,655
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 286 65 $2,898
Levothyroxine Sodium Generic 252 54 $4,760
Amlodipine Besylate Generic 220 47 $1,548
Pantoprazole Sodium Generic 189 43 $3,401
Bupropion Xl (Bupropion Hcl) Brand 146 32 $4,262
Losartan Potassium Generic 139 34 $2,233
Lisinopril Generic 118 27 $910
Metformin Hcl ER (Metformin Hcl) Brand 112 24 $1,331
Rosuvastatin Calcium Generic 104 24 $2,082
Simvastatin Generic 103 21 $1,373

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Brewster's medical specialty?
Dr. Diana Brewster practices Family Medicine Physician in Canton, OH.
Where does Dr. Diana Brewster practice?
Dr. Diana Brewster practices at 4172 Holiday St Nw, Canton, OH 447182532. Office phone: 3304339260.
What is Dr. Diana Brewster's NPI?
Dr. Diana Brewster's National Provider Identifier (NPI) is 1992889851, issued by NPPES.
Does Dr. Diana Brewster accept Medicare assignment?
Yes. Dr. Diana Brewster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Brewster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual (HCPCS G0446). Source: CMS Medicare Physician & Other Practitioners file.