National Provider Identifier
Justin Grischkan, MD
Justin Grischkan, MD is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Rochester, NY and a listed phone number of (585) 275-4912.
Source: public NPPES record, last updated July 31, 2023. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1407346646
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- May 14, 2018
- Last Updated
- July 31, 2023
Practice Location
- 601 Elmwood Ave.
- Rochester, NY 14642-0001
Phone: (585) 275-4912
Mailing Address
- 601 Elmwood Ave Box Med
- Rochester, NY 14642-0001
Specialties
- Internal Medicine Physician (207R00000X)
- Internal Medicine Physician (207R00000X)
Browse Similar Providers
See more Internal Medicine providers in Rochester, NY.
Medicare Part B Activity
Reported 20 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Internal Medicine providers in the Rochester, NY metro area.
This provider is in the 2nd percentile for Medicare service volume.
Lower volume than many peers.
Performs 92% fewer Medicare services than the peer median.
Higher than 20 of 854 peers.
- Activity Percentile
- 2.3%
- Rank by Services
- 834 of 854
- Total Services
- 20
- Est. Allowed Value
- $2,386.36
- 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 Internal 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 Internal 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 7,346 total Medicare services.
Top Clinical Services
- 99233: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
20 services | $2,386.36
Full Record
- NPI
- 1407346646
- Entity Type
- Individual
- Last Name
- Grischkan
- First Name
- Justin
- Credential
- MD
- Mailing Street Address
- 601 Elmwood Ave Box Med
- Mailing City
- Rochester
- Mailing State
- NY
- Mailing ZIP Code
- 14642-0001
- Mailing Country
- US
- Mailing Phone
- (585) 275-4912
- Practice Street Address
- 601 Elmwood Ave.
- Practice City
- Rochester
- Practice State
- NY
- Practice ZIP Code
- 14642-0001
- Practice Country
- US
- Practice Phone
- (585) 275-4912
- Practice Fax
- (585) 276-2144
- Enumeration Date
- May 14, 2018
- Last Updated
- July 31, 2023
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- July 31, 2023
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Internal Medicine Physician (207R00000X), Internal Medicine Physician (207R00000X)