National Provider Identifier
Alexander Boris Gelfer, MD.
Alexander Boris Gelfer, MD. is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician in Williamsville, NY and a listed phone number of (716) 631-8863.
Source: public NPPES record, last updated February 13, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1689638462
- Provider Type
- Individual
- Primary Specialty
- Pulmonary Disease Physician
- Enumeration Date
- April 17, 2006
- Last Updated
- February 13, 2025
Practice Location
- 100 College Parkway
- Suite 110
- Williamsville, NY 14221
Phone: (716) 631-8863
Specialties
- Pulmonary Disease Physician (207RP1001X)
Browse Similar Providers
See more Pulmonary Disease providers in Buffalo, NY.
Medicare Part B Activity
Reported 511 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 63rd percentile for Medicare service volume.
Around the middle of the peer group.
Performs 41% more Medicare services than the peer median.
Higher than 419 of 665 peers.
- Activity Percentile
- 63.0%
- Rank by Services
- 245 of 665
- Total Services
- 511
- Est. Allowed Value
- $38,337.78
- 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
- 99214: Established patient office or other outpatient visit, 30-39 minutes
134 services | $15,717.01
- 94060: Test to measure expiratory airflow and volume changes before and after medication administration
81 services | $2,796.62
- 94729: Test to examine how well the lungs exchange gases
80 services | $4,084.16
- 94726: Test to determine lung volumes using sensors
78 services | $3,775.24
- 95806: Sleep study including heart rate, breathing, airflow, and effort
48 services | $1,984.77
Full Record
- NPI
- 1689638462
- Entity Type
- Individual
- Last Name
- Gelfer
- First Name
- Alexander
- Middle Name
- Boris
- Name Prefix
- Dr.
- Credential
- MD.
- Mailing Street Address
- 100 College Parkway
- Mailing Address Line 2
- Suite 110
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221
- Mailing Country
- US
- Mailing Phone
- (716) 631-8863
- Mailing Fax
- (716) 631-1265
- Practice Street Address
- 100 College Parkway
- Practice Address Line 2
- Suite 110
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221
- Practice Country
- US
- Practice Phone
- (716) 631-8863
- Practice Fax
- (716) 631-1265
- Enumeration Date
- April 17, 2006
- Last Updated
- February 13, 2025
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- February 13, 2025
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Pulmonary Disease Physician (207RP1001X)
- Other Identifiers
- 01083825 (NY)