Peter G Sack, M.D.

Primary specialty

Geriatric Psychiatry PhysicianTaxonomy code 2084P0805X

License

106810 Issued in NY

Practice address

3333 Henry Hudson Pkwy
Bronx, NY 10463-3224

Phone

(718) 884-6400

Fax

(718) 796-0210

NPI assigned

Jan 8, 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

Other identifiers 2

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

PsychiatryAlso: Geriatric Psychiatry

Education

George Washington University School of Medicine, 1969

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1168214400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1801944962",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3333 HENRY HUDSON PKWY",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104633224",
            "telephone_number": "718-884-6400",
            "fax_number": "718-796-0210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3333 HENRY HUDSON PKWY",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104633224",
            "telephone_number": "718-884-6400",
            "fax_number": "718-796-0210"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SACK",
        "first_name": "PETER",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-08",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "106810",
            "primary": false
        },
        {
            "code": "2084P0805X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Geriatric Psychiatry",
            "state": "NY",
            "license": "106810",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIP",
            "identifier": "106810 N01",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00187628",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kelly Sachdev, PSYD
• Naunihal Singh Sachdev, MD
• Priyanka Sachdev, D.D.S
• Saachi Sachdev, M.D.
• Crystal Tina Sachdeva, M.D.
• Helena Sackey-Afrani
• Grace Sackey
• Paulina Sackey
• Cecile Naa Afi Sackeyfio, CECILE SACKEYFIO
• Kathryn M Sacks-Colon, LCSW

• Geriatric Psychiatry Physician in Bronx, NY
• Providers in Bronx, NY by specialty
• Geriatric Psychiatry 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.
• 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.