National Provider Identifier
Mark Williams, MBBS
Mark Williams, MBBS is listed in the NPPES registry with a primary specialty of Anesthesiology Physician in Rochester, NY and a listed phone number of (585) 275-1384.
Source: public NPPES record, last updated July 07, 2023. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1295178242
- Provider Type
- Individual
- Primary Specialty
- Anesthesiology Physician
- Enumeration Date
- April 09, 2013
- Last Updated
- July 07, 2023
Practice Location
- University Of Rochester Medical Ctr
- 601 Elmwood Ave, Box 604
- Rochester, NY 14642-0001
Phone: (585) 275-1384
Mailing Address
- 601 Elmwood Ave Box 604
- Rochester, NY 14642-0001
Specialties
- Anesthesiology Physician (207L00000X)
- Medical Physician Assistant (363AM0700X)
- Student in an Organized Health Care Education/Training Program (390200000X)
Endpoints
- mwilliams82934@direct.urmc.rochester.edu
Direct Messaging Address | Direct | Other | Rochester, NY 14642
Browse Similar Providers
See more Anesthesiology providers in Rochester, NY.
Medicare Part B Activity
Reported 157 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Anesthesiology providers in the Rochester, NY metro area.
This provider is in the 80th percentile for Medicare service volume.
Higher volume than most peers.
Performs 227% more Medicare services than the peer median.
Higher than 121 of 151 peers.
- Activity Percentile
- 80.1%
- Rank by Services
- 30 of 151
- Total Services
- 157
- Est. Allowed Value
- $15,974.42
- 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 Anesthesiology 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 Anesthesiology 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 831 total Medicare services.
Top Clinical Services
- 99214: Established patient office or other outpatient visit, 30-39 minutes
104 services | $10,022.78
- 99204: New patient office or other outpatient visit, 45-59 minutes
41 services | $5,227.69
- 99213: Established patient office or other outpatient visit, 20-29 minutes
12 services | $723.95
Full Record
- NPI
- 1295178242
- Entity Type
- Individual
- Last Name
- Williams
- First Name
- Mark
- Name Prefix
- Dr.
- Credential
- MBBS
- Mailing Street Address
- 601 Elmwood Ave Box 604
- Mailing City
- Rochester
- Mailing State
- NY
- Mailing ZIP Code
- 14642-0001
- Mailing Country
- US
- Practice Street Address
- University Of Rochester Medical Ctr
- Practice Address Line 2
- 601 Elmwood Ave, Box 604
- Practice City
- Rochester
- Practice State
- NY
- Practice ZIP Code
- 14642-0001
- Practice Country
- US
- Practice Phone
- (585) 275-1384
- Enumeration Date
- April 09, 2013
- Last Updated
- July 07, 2023
- Sex
- Male
- Sole Proprietor
- No
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Anesthesiology Physician (207L00000X), Medical Physician Assistant (363AM0700X), Student in an Organized Health Care Education/Training Program (390200000X)