Matthew Dean Maynard, DO
Emergency Medicine Physician · Watertown, NY
Matthew Dean Maynard, DO is an emergency medicine physician with a practice address in Watertown, New York, and NPI 1790079499, issued on May 31, 2011. Check the license (New York 269418, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Matthew Dean Maynard
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 269418 NY
Self-reported in NPPES; status is on the state search - Practice location
- 830 Washington St, Watertown, NY 13601
- Phone
- (315) 786-4813
- Enumerated
- May 31, 2011
- Record last updated
- Mar 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 03983768 NY
- Medicare enrollment
- Enrolled (PECOS I20140711001030); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 830 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheryl Abbott, PA-CPhysician Assistant1386245033
- Jeby Abraham, DOInternal Medicine Physician1427511377
- Amanda Agley, PA-CPhysician Assistant1730748419
- Rafeeque Ahmad, MDFamily Medicine Physician1891689733
- Hamzah Akram, MDInternal Medicine Physician1447746292
- John Arber, MDEmergency Medicine Physician1497779433
Verify Matthew Dean Maynard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 269418Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average emergency medicine physician in 2024
203 Medicare Part D claims for 146 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 16 claims were for opioids.
Most prescribed
- Prednisone35 claims
- Ondansetron Odt17 claims
- Naproxen14 claims
- Cephalexin13 claims
- Oxycodone-Acetaminophen12 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.
One hospital affiliation
- Samaritan Medical CenterWatertown, NY · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Matthew Dean Maynard among 5,025 emergency medicine physician records in New York
Matthew Dean Maynard, DO is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 47% of them.
- NPI issued2011 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · median 2013 among the 3,232 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New York
There are 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Watertown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Arber, MDWatertown, NY 136011497779433
- Kenneth Benson, PAWatertown, NY 136011811008659
- Philip ChafeWatertown, NY 136011114908720
- Peter De Jager, M.D.Watertown, NY 136011295922334
- Sarah Delaney-Rowland, MDWatertown, NY 136011871552844
- Ping Fu, M.D.Watertown, NY 136011659528180
- Maja Lundborg-Gray, MDWatertown, NY 136011174594774
- Stephen McMurray, MDWatertown, NY 136011396718136
Common questions
What is Matthew Dean Maynard, DO's NPI number?
Matthew Dean Maynard, DO's National Provider Identifier (NPI) is 1790079499, issued on May 31, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Dean Maynard, DO located?
The NPPES record lists a practice address at 830 Washington St, Watertown, NY, 13601. Phone: (315) 786-4813. Providers update this record themselves, so call before visiting.
How can I verify Matthew Dean Maynard, DO's license?
NPPES lists New York license number 269418, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Dean Maynard, DO prescribe under Medicare Part D?
In 2024, Matthew Dean Maynard, DO had 203 Medicare Part D claims for 146 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.