National Provider Identifier
Peter G Maslak, MD
Peter G Maslak, MD is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician in Buffalo, NY and a listed phone number of (716) 845-2300.
Source: public NPPES record, last updated January 05, 2023. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1265403067
- Provider Type
- Individual
- Primary Specialty
- Hematology (Internal Medicine) Physician
- Enumeration Date
- January 30, 2006
- Last Updated
- January 05, 2023
Practice Location
- Elm And Carlton St
- Buffalo, NY 14263-0001
Phone: (716) 845-2300
Specialties
- Hematology (Internal Medicine) Physician (207RH0000X)
Browse Similar Providers
See more Hematology providers in Buffalo, NY.
Medicare Part B Activity
Reported 211 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 33rd percentile for Medicare service volume.
Lower volume than many peers.
Performs 42% fewer Medicare services than the peer median.
Higher than 217 of 665 peers.
- Activity Percentile
- 32.6%
- Rank by Services
- 448 of 665
- Total Services
- 211
- Est. Allowed Value
- $6,775.92
- 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
- 88187: Flow cytometry technique for dna or cell analysis, 2 to 8 markers
122 services | $4,791.14
- 80503: Pathology clinical consultation for clinical problem, 5-20 minutes
89 services | $1,984.78
Full Record
- NPI
- 1265403067
- Entity Type
- Individual
- Last Name
- Maslak
- First Name
- Peter
- Middle Name
- G
- 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 St
- Practice City
- Buffalo
- Practice State
- NY
- Practice ZIP Code
- 14263-0001
- Practice Country
- US
- Practice Phone
- (716) 845-2300
- Enumeration Date
- January 30, 2006
- Last Updated
- January 05, 2023
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- January 05, 2023
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Hematology (Internal Medicine) Physician (207RH0000X)