National Provider Identifier
Seth Robert Glassman, MD
Seth Robert Glassman, MD is listed in the NPPES registry with a primary specialty of Infectious Disease Physician in Buffalo, NY and a listed phone number of (716) 845-2300.
Source: public NPPES record, last updated January 29, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1386840361
- Provider Type
- Individual
- Primary Specialty
- Infectious Disease Physician
- Enumeration Date
- June 26, 2007
- Last Updated
- January 29, 2026
Practice Location
- Elm And Carlton Streets
- Buffalo, NY 14263-0001
Phone: (716) 845-2300
Mailing Address
- Elm And Carlton St
- Buffalo, NY 14263-0001
Specialties
- Infectious Disease Physician (207RI0200X)
Browse Similar Providers
See more Infectious Disease providers in Buffalo, NY.
Medicare Part B Activity
Reported 246 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 37th percentile for Medicare service volume.
Lower volume than many peers.
Performs 32% fewer Medicare services than the peer median.
Higher than 245 of 665 peers.
- Activity Percentile
- 36.8%
- Rank by Services
- 420 of 665
- Total Services
- 246
- Est. Allowed Value
- $29,377.17
- 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 Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 91,321 total Medicare services.
Top Clinical Services
- 99223: Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
104 services | $17,477.46
- 99232: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
93 services | $7,125.66
- 99233: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
36 services | $4,150.44
- 99231: Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
13 services | $623.61
Full Record
- NPI
- 1386840361
- Entity Type
- Individual
- Last Name
- Glassman
- First Name
- Seth
- Middle Name
- Robert
- Name Prefix
- Dr.
- Credential
- MD
- Mailing Street Address
- Elm And Carlton St
- Mailing City
- Buffalo
- Mailing State
- NY
- Mailing ZIP Code
- 14263-0001
- Mailing Country
- US
- Mailing Phone
- (716) 845-2300
- Practice Street Address
- Elm And Carlton Streets
- Practice City
- Buffalo
- Practice State
- NY
- Practice ZIP Code
- 14263-0001
- Practice Country
- US
- Practice Phone
- (716) 845-2300
- Practice Fax
- (716) 845-8518
- Enumeration Date
- June 26, 2007
- Last Updated
- January 29, 2026
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- January 29, 2026
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Infectious Disease Physician (207RI0200X)