Jennifer Mattar, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

334962 Issued in NY

Practice address

4488 Onondaga Blvd
Syracuse, NY 13219-3114

Phone

(315) 492-5784

Fax

(315) 492-5782

NPI assigned

Apr 11, 2022

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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 1

Specialty

Internal MedicineAlso: Hospitalist

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Familycare Medical Group PCGroup PAC ID 5193639565, 110 clinicians

Crouse Health Hospital IncGroup PAC ID 9739173774, 155 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Crouse Hospital Hospital, Syracuse, NY, CCN 330203
• University Hospital S U N Y Health Science Center Hospital, Syracuse, NY, CCN 330241

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jmattar129943@direct.upstate.edu
• Direct secure messaging: jmattar@fcmg.medentdirect.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.

• Crouse Health Hospital Inc

  • Hospitalist Physician
  • Syracuse, NY
  • NPI 1841340205
  Medicare reassignment Care Compare group NPD
• Familycare Medical Group, PC

  • Family Medicine Physician
  • Syracuse, NY
  • NPI 1447212063

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Crouse Health Hospital, Inc.

  • General Acute Care Hospital
  • Syracuse, NY
  • NPI 1033107743
  NPD
• Pathology Associates of Syracuse, PC

  • Anatomic Pathology & Clinical Pathology Physician
  • Syracuse, NY
  • NPI 1629061791
  NPD

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

• Crouse Health Hospital, Inc.

  • General Acute Care Hospital
  • Syracuse, NY
  • NPI 1033107743
  Care Compare affiliation
• Suny Health Science Center at Syracuse

  • General Acute Care Hospital
  • Syracuse, NY
  • NPI 1578554630
  Care Compare affiliation

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

{
    "created_epoch": "1649635200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1942942834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001 W FAYETTE ST STE 400",
            "city": "SYRACUSE",
            "state": "NY",
            "postal_code": "132042866",
            "telephone_number": "315-937-3026",
            "fax_number": "315-937-3126"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4488 ONONDAGA BLVD",
            "city": "SYRACUSE",
            "state": "NY",
            "postal_code": "132193114",
            "telephone_number": "315-492-5784",
            "fax_number": "315-492-5782"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "750 E Adams St",
            "address_purpose": "LOCATION",
            "city": "Syracuse",
            "state": "NY",
            "postal_code": "132102306",
            "country_code": "US",
            "telephone_number": "315-464-8948",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "736 Irving Ave",
            "address_purpose": "LOCATION",
            "city": "Syracuse",
            "state": "NY",
            "postal_code": "132101602",
            "country_code": "US",
            "telephone_number": "315-470-7111",
            "fax_number": "315-470-2691",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATTAR",
        "first_name": "JENNIFER",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-04-11",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "334962",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tammy A Mathews, NP
• Maria Matkoski
• Mark A Matloff, PHD
• Megan Matott, DO
• Alycia Rose Matt, PHARMD
• Ashley Marie Mattei
• Nicole Lynn Mattes, M.S., RPA-C
• Christine Matteson, LCAT, LMHC
• Patricia Matteson, LMSW
• Matthews DDS PC

• Internal Medicine Physician in Syracuse, NY
• Providers in Syracuse, 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 Jul 21, 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.