Sara Ilana Fontanez, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

295358 Issued in NY

Practice address

1114 Liberty Ave
Brooklyn, NY 11208-2922

Phone

(718) 765-6058

Fax

(347) 808-4895

NPI assigned

Jun 8, 2015

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, MA, WI3 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 3

Specialty

Family Practice

Education

Loyola University of Chicago, Stritch School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mass General Brigham Community Physicians IncGroup PAC ID 1759273436, 430 clinicians

Mayo Clinic Health System-Southwest Wisconsin Region IncGroup PAC ID 0345152443, 539 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mass General Brigham Home Care, Inc Home health agency, Newton, MA, CCN 227207
• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

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.

• Mass General Brigham Community Physicians Inc

  • Cardiovascular Disease Physician
  • Medford, MA
  • NPI 1548638265
  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • La Crosse, WI
  • NPI 1629056049
  Medicare reassignment Care Compare group
• Montefiore Medical Center

  • Anesthesiology Physician
  • Bronx, NY
  • NPI 1063525152
  Medicare reassignment NPD
• Montefiore Medical Center

  • Community/Retail Pharmacy
  • Bronx, NY
  • NPI 1194183715
  NPD
• Mass General Brigham Community Physicians Inc.

  • Internal Medicine Physician
  • Concord, MA
  • NPI 1174545875
  NPD (past)

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

• Mass General Brigham Home Care, Inc.

  • Home Health Agency
  • Newton, MA
  • NPI 1083644017
  Care Compare affiliation Name & address match
• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1433721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1184004889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 746087",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303746087",
            "telephone_number": "312-733-9730"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1114 LIBERTY AVE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112082922",
            "telephone_number": "718-765-6058",
            "fax_number": "347-808-4895"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 West Ave S",
            "address_purpose": "LOCATION",
            "city": "La Crosse",
            "state": "WI",
            "postal_code": "546018806",
            "country_code": "US",
            "telephone_number": "608-785-0940",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 Nicolls Rd",
            "address_purpose": "LOCATION",
            "city": "Stony Brook",
            "state": "NY",
            "postal_code": "117942401",
            "country_code": "US",
            "telephone_number": "314-448-4786",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "111 E 210th St",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104672401",
            "country_code": "US",
            "telephone_number": "718-920-7441",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FONTANEZ",
        "first_name": "SARA",
        "middle_name": "ILANA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-06-08",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "295358",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "87338",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "295358",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Fontana
• Maria Elaine Fontana, DDS, MS
• Mario Fontana, RN
• Christina Fontanarosa, M.ED
• Gina Fontanarosa, RN
• Gabrielle Esther Fonteneaux, MD
• Christine Fontenelle, NP
• Ran T Fontenelle
• Valy Fontil
• Judener Fontilus, COTA

• Family Medicine Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Family Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 2026; 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.