Nestor J Flores, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1020023 Issued in MA

Practice address

101 Nicolls Rd
Stony Brook, NY 11794-0001

Phone

(631) 689-8333

NPI assigned

Feb 4, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909

  Internal Medicine

  Medicare reassignment NPD

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

{
    "created_epoch": "1517702400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1255830378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117940001",
            "telephone_number": "631-689-8333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117940001",
            "telephone_number": "631-689-8333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLORES",
        "first_name": "NESTOR",
        "middle_name": "J",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-02-04",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "1020023",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1020023",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tara Flocco, RN, NP
• Frank B Florence, M.D.
• Bryan Flores
• Marco Uriel Flores, MD
• Natalia Cristina Flores, M.D.
• Ronald Augustine Flores, J.D./M.D.
• Emily Ann Floyd
• Laura Fochtmann, M.D.
• Elizabeth Amy Foley, NNP-BC
• Nancy Marie Foley, NP

• Internal Medicine Physician in Stony Brook, NY
• Providers in Stony Brook, 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 Jun 30, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.