Diana Brewster, DO
Family Medicine Physician · Canton, OH
Diana Brewster, DO is a family medicine physician with a practice address in Canton, Ohio, and NPI 1992889851, issued on Oct 25, 2006. Check the license (Ohio 34007790, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Diana Brewster
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 34007790 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4172 Holiday St NW, Canton, OH 44718
- Phone
- (330) 433-9260
- Enumerated
- Oct 25, 2006
- Record last updated
- Feb 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (330) 433-9263
- Medicare enrollment
- Enrolled (PECOS I20041203000156); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Verify Diana Brewster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34007790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average family medicine physician in 2024
5,100 Medicare Part D claims for 247 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 140 claims were for opioids.
Most prescribed
- Atorvastatin Calcium275 claims
- Levothyroxine Sodium242 claims
- Pantoprazole Sodium206 claims
- Amlodipine Besylate187 claims
- Bupropion Xl155 claims
- Losartan Potassium136 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,747.76
188 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Diana Brewster among 5,606 family medicine physician records in Ohio
Diana Brewster, DO is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2005 among the 3,510 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Ohio
There are 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Canton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Tammy Eisentrout, D.O.Canton, OH 447181669437844
- Joshua Foss, APRN CNPCanton, OH 447181386359859
- Michael Grimes, MDCanton, OH 447181336122175
- Kerwin Joel Lupisan, MDCanton, OH 447181700104619
- Kimberly Seth, M.D.Canton, OH 447181346373024
- Carmen Soto, M.D.Canton, OH 447181053524272
- Benjamin Swisher, M.D.Canton, OH 447181518923788
- Joseph Vrabel, DOCanton, OH 447181063475267
Common questions
What is Diana Brewster, DO's NPI number?
Diana Brewster, DO's National Provider Identifier (NPI) is 1992889851, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana Brewster, DO located?
The NPPES record lists a practice address at 4172 Holiday St NW, Canton, OH, 44718. Phone: (330) 433-9260. Providers update this record themselves, so call before visiting.
How can I verify Diana Brewster, DO's license?
NPPES lists Ohio license number 34007790, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Brewster, DO prescribe under Medicare Part D?
In 2024, Diana Brewster, DO had 5,100 Medicare Part D claims for 247 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.