National Provider Identifier
Aaron Francis Fields, MD
Aaron Francis Fields, MD is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician in Canandaigua, NY and a listed phone number of (585) 396-6150.
Source: public NPPES record, last updated January 05, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1518300110
- Provider Type
- Individual
- Primary Specialty
- Emergency Medicine Physician
- Enumeration Date
- April 12, 2013
- Last Updated
- January 05, 2026
Practice Location
- 350 Parrish St
- Canandaigua, NY 14424-1731
Phone: (585) 396-6150
Specialties
- Emergency Medicine Physician (207P00000X)
Browse Similar Providers
See more Emergency Medicine providers in Canandaigua, NY.
Medicare Part B Activity
Reported 155 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Emergency Medicine providers in the Rochester, NY metro area.
This provider is in the 33rd percentile for Medicare service volume.
Lower volume than many peers.
Performs 31% fewer Medicare services than the peer median.
Higher than 64 of 196 peers.
- Activity Percentile
- 32.7%
- Rank by Services
- 132 of 196
- Total Services
- 155
- Est. Allowed Value
- $25,426.69
- Dataset Year
- 2023
- Drug Code Share
- 0.0%
Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.
Peers are grouped by the broader Emergency Medicine classification rather than the exact subspecialty label shown elsewhere on the page.
Percentile distribution
Each bar represents a 10-point percentile band of peers by total Medicare services for Emergency Medicine across the Rochester, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 16 to 7,685 total Medicare services.
Top Clinical Services
- 99285: Emergency department visit with high level of medical decision making
109 services | $18,403.91
- 99284: Emergency department visit with moderate level of medical decision making
27 services | $3,135.31
- 99291: Critical care, first 30-74 minutes
19 services | $3,887.47
Full Record
- NPI
- 1518300110
- Entity Type
- Individual
- Last Name
- Fields
- First Name
- Aaron
- Middle Name
- Francis
- Credential
- MD
- Mailing Street Address
- 350 Parrish St
- Mailing City
- Canandaigua
- Mailing State
- NY
- Mailing ZIP Code
- 14424-1731
- Mailing Country
- US
- Mailing Phone
- (585) 396-6150
- Practice Street Address
- 350 Parrish St
- Practice City
- Canandaigua
- Practice State
- NY
- Practice ZIP Code
- 14424-1731
- Practice Country
- US
- Practice Phone
- (585) 396-6150
- Enumeration Date
- April 12, 2013
- Last Updated
- January 05, 2026
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- January 05, 2026
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Emergency Medicine Physician (207P00000X)
- Other Identifiers
- 04505455 (NY)