Marissa Lynn Boniszewski

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

308573 Issued in NY

Practice address

325 Essjay Rd
Williamsville, NY 14221-8243

Phone

(716) 656-4868

Fax

(716) 428-2393

NPI assigned

Apr 10, 2018

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NY2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Internal Medicine

Education

University of Toledo College of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Buffalo Medical Group, P.C.Group PAC ID 7012820301, 233 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• McAuley Seton Home Care Corp Chha Home health agency, Buffalo, NY, CCN 337251
• Kaleida Health Hospital, Buffalo, NY, CCN 330005
• Sisters of Charity Hospital Hospital, Buffalo, NY, CCN 330078

Merit-based Incentive Payment System (MIPS)

Final score

86.4 of 100Reported as group

Quality

72.79

Improvement activities

40

Cost

71.22

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: production@direct.buffalomedicalgroup.com
• Direct secure messaging: mboniszewski16188@direct.buffalomedicalgroup.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Buffalo Medical Group, P.C.

  • Family Medicine Physician
  • Williamsville, NY
  • NPI 1881659506

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Apogee Medical Group, New York, PC

  • Internal Medicine Physician
  • Scottsdale, AZ
  • NPI 1841520236

  NY

  Medicare reassignment NPD
• Buffalo Medical Group, P.C.

  • Durable Medical Equipment & Medical Supplies
  • Lockport, NY
  • NPI 1982566782
  NPD
• Erie County Medical Center Corporation

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1437197985
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Kaleida Health

  • General Acute Care Hospital
  • Williamsville, NY
  • NPI 1053441907
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • North Tonawanda, NY
  • NPI 1104956358
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1245365196
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1366473183
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1639209596
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1831229780
  Care Compare affiliation
• McAuley Seton Home Care Corporation

  • Home Health Agency
  • Cheektowaga, NY
  • NPI 1699772343
  Care Compare affiliation
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Cheektowaga, NY
  • NPI 1043455199
  Care Compare affiliation
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1790727543
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1523318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742947200000",
    "number": "1780181347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "425 ESSJAY RD STE 170",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142218235",
            "telephone_number": "716-630-1219",
            "fax_number": "716-817-1726"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325 ESSJAY RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142218243",
            "telephone_number": "716-656-4868",
            "fax_number": "716-428-2393"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "462 Grider St",
            "address_2": "Erie County Medical Center, David K. Miller Building",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142153021",
            "country_code": "US",
            "telephone_number": "716-898-3941",
            "fax_number": "716-898-3279",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BONISZEWSKI",
        "first_name": "MARISSA",
        "middle_name": "LYNN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-10",
        "last_updated": "2025-03-26",
        "certification_date": "2025-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "308573",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "production@direct.buffalomedicalgroup.com",
            "affiliation": "N",
            "address_1": "325 Essjay Rd",
            "city": "Williamsville",
            "state": "NY",
            "country_code": "US",
            "postal_code": "142218243",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Tracey Bonafede
• Annamarie Boncore, LPN
• Linda A Bonczyk, LMHC
• Jason Michael Bongi, D.C.
• Tiffany Bonini, LPN
• Alyssa Bonsall, RN
• Sharon Bookbinder, MS
• Kathryn Booker, LCSW
• Rachelle Booth, D.O.
• Jessica Borczynski, LPN

• Internal Medicine Physician in Williamsville, NY
• Providers in Williamsville, NY by specialty
• Internal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.