National Provider Identifier
Diddarjit Grewal, M.D.
Diddarjit Grewal, M.D. is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Rochester, NY and a listed phone number of (585) 865-8210.
Source: public NPPES record, last updated March 03, 2015. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1912934647
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- June 27, 2006
- Last Updated
- March 03, 2015
Practice Location
- 2655 Ridgeway Ave
- Suite 480
- Rochester, NY 14626-4296
Phone: (585) 865-8210
Specialties
- Internal Medicine Physician (207R00000X)
Browse Similar Providers
See more Internal Medicine providers in Rochester, NY.
Medicare Part B Activity
Reported 234 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 47th percentile for Medicare service volume.
Around the middle of the peer group.
Performs 7.1% fewer Medicare services than the peer median.
Higher than 399 of 854 peers.
- Activity Percentile
- 46.7%
- Rank by Services
- 455 of 854
- Total Services
- 234
- Est. Allowed Value
- $20,895.61
- 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
- 99214: Established patient office or other outpatient visit, 30-39 minutes
195 services | $18,383.66
- 99213: Established patient office or other outpatient visit, 20-29 minutes
39 services | $2,511.95
Full Record
- NPI
- 1912934647
- Entity Type
- Individual
- Last Name
- Grewal
- First Name
- Diddarjit
- Credential
- M.D.
- Provider Other Last Name
- Gill
- Provider Other First Name
- Diddarjit
- Provider Other Credential Text
- M.D.
- Provider Other Last Name Type Code
- 1
- Mailing Street Address
- 2655 Ridgeway Ave
- Mailing Address Line 2
- Suite 480
- Mailing City
- Rochester
- Mailing State
- NY
- Mailing ZIP Code
- 14626-4296
- Mailing Country
- US
- Mailing Phone
- (585) 865-8210
- Practice Street Address
- 2655 Ridgeway Ave
- Practice Address Line 2
- Suite 480
- Practice City
- Rochester
- Practice State
- NY
- Practice ZIP Code
- 14626-4296
- Practice Country
- US
- Practice Phone
- (585) 865-8210
- Enumeration Date
- June 27, 2006
- Last Updated
- March 03, 2015
- Sex
- Female
- Sole Proprietor
- No
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Internal Medicine Physician (207R00000X)
- Other Identifiers
- 02586758 (NY)