Individual provider Active NPI

Mark Anthony Parker, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Sterling, VA
National Provider Identifier
1710214721
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
0024186581 Issued in VA
Practice address
22611 Markey CT Ste 114-I
Sterling, VA 20166-6931
Phone
(703) 249-4828
Fax
(703) 281-6888
NPI assigned
Nov 11, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 0024186581 VA Primary

Addresses

Primary practice location

22611 Markey CT Ste 114-I
Sterling, VA 20166-6931

Mailing address

224D Cornwall St NW Ste 403
Leesburg, VA 20176-2704
Phone (703) 737-6010

Other identifiers 2

IdentifierTypeStateIssuer
1710214721MedicaidVA
30018242720002MedicaidVA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20250807001565 VA Practitioner - Nurse Practitioner 6406354745 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

22611 Markey CT
Suite 114 I
Sterling, VA 20166-6931
Phone (703) 249-4828

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Loudoun Psychiatry Group LLC CurrentSince Jun 25, 2025 Accepting new patients
Loudoun Medical Group, PC PastSince Jul 1, 2026 Accepting new patients

Locations

22611 Markey Ct
Ste 114-I
Sterling, VA 20166
Phone (703) 249-4828

22611 Markey Ct
Ste 114
Sterling, VA 20166
Phone (703) 249-4828

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1257897600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1710214721",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "224D CORNWALL ST NW STE 403",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201762704",
            "telephone_number": "703-737-6010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22611 MARKEY CT STE 114-I",
            "city": "STERLING",
            "state": "VA",
            "postal_code": "201666931",
            "telephone_number": "703-249-4828",
            "fax_number": "703-281-6888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PARKER",
        "first_name": "MARK",
        "middle_name": "ANTHONY",
        "name_prefix": "Mr.",
        "credential": "PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-11-11",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "VA",
            "license": "0024186581",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1710214721",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30018242720002",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sterling, VA

Sources for this page

Verify at the official NPI Registry.