Aaron Francis Fields, MD
Emergency Medicine Physician · Canandaigua, NY
Aaron Francis Fields, MD is an emergency medicine physician with a practice address in Canandaigua, New York, and NPI 1518300110, issued on Apr 12, 2013. Check the license (New York 283786, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Aaron Francis Fields
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 283786 NY
Self-reported in NPPES; status is on the state search - Practice location
- 350 Parrish St, Canandaigua, NY 14424
- Phone
- (585) 396-6150
- Enumerated
- Apr 12, 2013
- Record last updated
- Jan 5, 2026
- Medicaid ID
- 04505455 NY
- Medicare enrollment
- Enrolled (PECOS I20160907001269); 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 350 Parrish St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ugo Akamnonu, NPHospitalist Physician1366926628
- Lori Antonitto, D.O.Anesthesiology Physician1376786244
- Sierra Ayers, FNPFamily Nurse Practitioner1235700816
- David Baum, M.D.Emergency Medicine Physician1942360938
- Nicole Benedetto, PT, DPTPhysical Therapist1700423100
- Morgan Bessey, PA-CPhysician Assistant1073089371
Verify Aaron Francis Fields 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 283786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average emergency medicine physician in 2024
251 Medicare Part D claims for 142 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Ondansetron Odt28 claims
- Famotidine24 claims
- Oxycodone Hcl21 claims
- Cefpodoxime Proxetil18 claims
- Prednisone16 claims
- Sucralfate16 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.
Bills Medicare through one group practice
- The Frederick Ferris Thompson HospitalShortsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Francis Fields among 5,025 emergency medicine physician records in New York
Aaron Francis Fields, MD 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 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2013 among the 3,232 with a school on file
- Record last updated2026 · 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 Canandaigua → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Baum, M.D.Canandaigua, NY 144241942360938
- Nia Botkin, DOCanandaigua, NY 144241699418095
- Kurt Erhardt, MDCanandaigua, NY 144241386227106
- Anthony Geraci, M.D.Canandaigua, NY 144241386737690
- Craig Hohm, MDCanandaigua, NY 144241316031537
- Christopher Lyon, M.D.Canandaigua, NY 144241093934572
- Matthew Osborne, M.D.Canandaigua, NY 144241962510065
- Timothy Pitler, M.D.Canandaigua, NY 144241194804088
Common questions
What is Aaron Francis Fields, MD's NPI number?
Aaron Francis Fields, MD's National Provider Identifier (NPI) is 1518300110, issued on Apr 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Francis Fields, MD located?
The NPPES record lists a practice address at 350 Parrish St, Canandaigua, NY, 14424. Phone: (585) 396-6150. Providers update this record themselves, so call before visiting.
How can I verify Aaron Francis Fields, MD's license?
NPPES lists New York license number 283786, 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 Aaron Francis Fields, MD prescribe under Medicare Part D?
In 2024, Aaron Francis Fields, MD had 251 Medicare Part D claims for 142 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.