National Provider Identifier
Marissa Lynn Boniszewski
Marissa Lynn Boniszewski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Williamsville, NY and a listed phone number of (716) 656-4868.
Source: public NPPES record, last updated March 26, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1780181347
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- April 10, 2018
- Last Updated
- March 26, 2025
Practice Location
- 325 Essjay RD
- Williamsville, NY 14221-8243
Phone: (716) 656-4868
Mailing Address
- 425 Essjay RD Ste 170
- Williamsville, NY 14221-8235
Specialties
- Internal Medicine Physician (207R00000X)
- Student in an Organized Health Care Education/Training Program (390200000X)
Endpoints
- production@direct.buffalomedicalgroup.com
Direct Messaging Address | Williamsville, NY 14221
Browse Similar Providers
See more Internal Medicine providers in Buffalo, NY.
Medicare Part B Activity
Reported 666 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 73rd percentile for Medicare service volume.
Around the middle of the peer group.
Performs 83% more Medicare services than the peer median.
Higher than 488 of 665 peers.
- Activity Percentile
- 73.4%
- Rank by Services
- 177 of 665
- Total Services
- 666
- Est. Allowed Value
- $59,876.04
- 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
- 99232: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
472 services | $36,415.49
- 99233: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
109 services | $12,652.72
- 99239: Hospital discharge day management, more than 30 minutes
62 services | $6,916.34
- 99223: Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
23 services | $3,891.49
Full Record
- NPI
- 1780181347
- Entity Type
- Individual
- Last Name
- Boniszewski
- First Name
- Marissa
- Middle Name
- Lynn
- Mailing Street Address
- 425 Essjay RD Ste 170
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-8235
- Mailing Country
- US
- Mailing Phone
- (716) 630-1219
- Mailing Fax
- (716) 817-1726
- Practice Street Address
- 325 Essjay RD
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-8243
- Practice Country
- US
- Practice Phone
- (716) 656-4868
- Practice Fax
- (716) 428-2393
- Enumeration Date
- April 10, 2018
- Last Updated
- March 26, 2025
- Sex
- Female
- Sole Proprietor
- No
- Certification Date
- March 26, 2025
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Internal Medicine Physician (207R00000X), Student in an Organized Health Care Education/Training Program (390200000X)