Bill Papagiannopoulos, MD

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

License

3477321 Issued in NY

Practice address

31 Washington SQ W Ste 6B
New York, NY 10011-9126

Phone

(646) 801-2951

NPI assigned

Apr 6, 2015

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

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Dec 20, 2022 through Dec 20, 2026

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Samaritan Counseling Center

  • Marriage & Family Therapist
  • Winnetka, IL
  • NPI 1841397353
  NPD (past)
• Samaritan Interfaith Counseling Center Inc.

  • Clinical Psychologist
  • Naperville, IL
  • NPI 1497842983
  NPD (past)

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

{
    "created_epoch": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1750776738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31 WASHINGTON SQ W STE 6B",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100119126",
            "telephone_number": "646-801-2951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31 WASHINGTON SQ W STE 6B",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100119126",
            "telephone_number": "646-801-2951"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAPAGIANNOPOULOS",
        "first_name": "BILL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "NY",
            "license": "3477321",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "3477321",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eugenia Papadopoulos, OTD, OTR/L, CHT
• John Papadopoulos, B.S., PHARM.D.
• Yiota Papadopoulos, PH.D.
• Ariadna Papageorge, M.D.
• Maria Papageorge, P.T.
• Vasiliki Maria Papain, PT, DPT
• Dimitrios Papaioannou, MD
• Reni Marianthy Papananias, NP
• John Dimitri Papanastassiou, M.D.
• Sondra S Papanek, IIN

• Child & Adolescent Psychiatry Physician in New York, NY
• Providers in New York, NY by specialty
• Child & Adolescent Psychiatry Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.