National Provider Identifier
Gregory James Zimmer, MD
Gregory James Zimmer, MD is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician in Rochester, NY and a listed phone number of (585) 341-3015.
Source: public NPPES record, last updated April 28, 2023. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1174594329
- Provider Type
- Individual
- Primary Specialty
- Emergency Medicine Physician
- Enumeration Date
- January 27, 2006
- Last Updated
- April 28, 2023
Practice Location
- 601 Elmwood Ave
- Rochester, NY 14642-0001
Phone: (585) 341-3015
Mailing Address
- 601 Elmwood Ave
- Box 655-A
- Rochester, NY 14642-8655
Specialties
- Emergency Medicine Physician (207P00000X)
- General Practice Physician (208D00000X)
Browse Similar Providers
See more providers in the Emergency Medicine classification in Rochester, NY.
Medicare Part B Activity
Reported 319 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Emergency Medicine providers in the Rochester, NY metro area.
This provider is in the 77th percentile for Medicare service volume.
Higher volume than most peers.
Performs 59% more Medicare services than the peer median.
Higher than 159 of 206 peers.
- Activity Percentile
- 77.2%
- Rank by Services
- 47 of 206
- Total Services
- 319
- Est. Allowed Value
- $47,457.82
- Dataset Year
- 2024
- 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: 11 to 3,026 total Medicare services.
Top Clinical Services
- 99285: Emergency department visit with high level of medical decision making
193 services | $31,798.45
- 99284: Emergency department visit with moderate level of medical decision making
86 services | $9,779.01
- 99291: Critical care, first 30-74 minutes
24 services | $4,809.74
- 99283: Emergency department visit with low level of medical decision making
16 services | $1,070.62
Full Record
- NPI
- 1174594329
- Entity Type
- Individual
- Last Name
- Zimmer
- First Name
- Gregory
- Middle Name
- James
- Name Prefix
- Dr.
- Credential
- MD
- Mailing Street Address
- 601 Elmwood Ave
- Mailing Address Line 2
- Box 655-A
- Mailing City
- Rochester
- Mailing State
- NY
- Mailing ZIP Code
- 14642-8655
- Mailing Country
- US
- Mailing Phone
- (585) 341-3015
- Practice Street Address
- 601 Elmwood Ave
- Practice City
- Rochester
- Practice State
- NY
- Practice ZIP Code
- 14642-0001
- Practice Country
- US
- Practice Phone
- (585) 341-3015
- Enumeration Date
- January 27, 2006
- Last Updated
- April 28, 2023
- Sex
- Male
- Sole Proprietor
- No
- Taxonomies
- Emergency Medicine Physician (207P00000X), General Practice Physician (208D00000X)
- Other Identifiers
- 03924018 (NY)