James Thomas De Marco, DNP, APRN, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

0024194363 Issued in VA

Practice address

801 N Quincy St
Arlington, VA 22203-1999

Phone

(703) 782-4793

NPI assigned

Jul 28, 2025

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, VA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Psych Associates of Maryland LLCGroup PAC ID 3971550963, 151 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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 and National Provider Directory roles.

• Psych Associates of Maryland LLC

  • Psychologist
  • Timonium, MD
  • NPI 1891721981

  DC, VA

  Medicare reassignment Care Compare group NPD
• Neta, Inc.

  • Child & Adolescent Psychiatry Physician
  • Arlington, VA
  • NPI 1134506520
  NPD (past)

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

{
    "created_epoch": "1753660800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1104709229",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 N QUINCY ST",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222031999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 N QUINCY ST",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222031999",
            "telephone_number": "703-782-4793"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1660 L St NW Ste 430",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200365748",
            "country_code": "US",
            "telephone_number": "202-677-3302",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DE MARCO",
        "first_name": "JAMES",
        "middle_name": "THOMAS",
        "credential": "DNP, APRN, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-28",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "DC",
            "license": "RN1044683",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "DC",
            "license": "NP1044683",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "VA",
            "license": "0024194363",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "VA",
            "license": "0001248797",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dcva Counseling Psychotherapy LLC
• Nenita Bulandres De Cecco, PHARMD
• Jennifer Pearson De la Cruz
• Vanessa De la Rosa
• Evangeline De Leon, PT, DPT
• Carla De Simone Irace
• Mary Kathryn Deacon
• Meghan Kathleen Deal, CRNA
• Tessa Dean, MA EDS
• Maria C Deasy

• Psychiatric/Mental Health Nurse Practitioner in Arlington, VA
• Providers in Arlington, VA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 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.
• 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.