Sidney Macdonald Baker, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

12263 Issued in CT

Practice address

71 Ferry Rd
Sag Harbor, NY 11963-1332

Phone

(631) 725-9548

NPI assigned

Mar 14, 2007

Sex

Male

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1173830400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1487788477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 FERRY RD",
            "city": "SAG HARBOR",
            "state": "NY",
            "postal_code": "119631332",
            "telephone_number": "631-725-9548"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "71 FERRY RD",
            "city": "SAG HARBOR",
            "state": "NY",
            "postal_code": "119631332",
            "telephone_number": "631-725-9548"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAKER",
        "first_name": "SIDNEY",
        "middle_name": "MACDONALD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-14",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CT",
            "license": "12263",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "56240",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amy Abdelrazeq, DPT
• Tatum Grace Albrecht, PA
• Mary Beth Armstrong, L.AC.
• Laura Marie Arreguin, RN
• Joseph Matthew Artoglou
• Beth Rosenthal Barth, MSW R LCSW
• Isabella Bartoloni, LMT, CMLDT
• Bay Area Radiology, PC
• BBMJ Inc
• Michelle Beebee, LCSW

• Family Medicine Physician in Sag Harbor, NY
• Providers in Sag Harbor, 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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.