Nikolas Cirillo, PHD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

0810008990 Issued in VA

Practice address

1221 King St
Alexandria, VA 22314-2926

Phone

(571) 478-9499

NPI assigned

Sep 24, 2025

Last updated

Oct 6, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Oct 11, 2025 through Oct 11, 2027

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Old Town Psychology

  • Clinical Psychologist
  • Alexandria, VA
  • NPI 1194429191
  NPD

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

{
    "created_epoch": "1758672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759708800000",
    "number": "1295608560",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1221 KING ST",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223142926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1221 KING ST",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223142926",
            "telephone_number": "571-478-9499"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CIRILLO",
        "first_name": "NIKOLAS",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-24",
        "last_updated": "2025-10-06",
        "certification_date": "2025-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "VA",
            "license": "0810008990",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cindy Clarke PT PC
• Virginia Minehart Cinzano, PA-C
• Victoria Cioffi, FNP-BC
• Circle Medical Care Group PA
• Circle of One, Inc.
• Christopher Ervin Ciszek, PHARMD
• Dyanna Citizen, MA, LPC
• City of Alexandria (Alexandria Adult Day Services Center)
• City of Alexandria (Alexandria Community Services Board)
• City of Alexandria

• Clinical Psychologist in Alexandria, VA
• Providers in Alexandria, VA by specialty
• Clinical Psychologist in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2025; 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.