Individual provider Active NPI

Nicole Courtney Twaalfhoven, LCPC

  • Mental Health Counselor
  • Riverdale, MD
National Provider Identifier
1003325515
Registry record updated Nov 15, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
LPC8520 Issued in MD
Practice address
6200 Baltimore Ave Ste 300
Riverdale, MD 20737-1054
Phone
(301) 500-0311
NPI assigned
Sep 27, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 15, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X
Mental Health Counselor 101YM0800X LPC8520 MD Primary

Addresses

Primary practice location

6200 Baltimore Ave Ste 300
Riverdale, MD 20737-1054

Mailing address

3538 18TH St S
Arlington, VA 22204-5153
Phone (434) 466-4004

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250714002054 DC Practitioner - Mental Health Counselor 6800294489 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Mental Health Counselor
Education
Johns Hopkins University School of Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

Arlington, VA 22204
Phone (301) 500-0311

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LPC8520MDMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Whole Healing Mental Health LLC Professional CurrentSince Jun 1, 2025 Accepting new patients

Locations

6200 Baltimore Ave
Ste 300
Riverdale Park, MD 20737
Phone (240) 243-3490

1300 Spring St
Ste 121
Silver Spring, MD 20910
Phone (301) 259-1002

2300 Wilson Blvd
Ste 700
Arlington, VA 22201
Phone (301) 323-5442

Organizations & group practices 1

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": "1506470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1731628800000",
    "number": "1003325515",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3538 18TH ST S",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222045153",
            "telephone_number": "434-466-4004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6200 BALTIMORE AVE STE 300",
            "city": "RIVERDALE",
            "state": "MD",
            "postal_code": "207371054",
            "telephone_number": "301-500-0311"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TWAALFHOVEN",
        "first_name": "NICOLE",
        "middle_name": "COURTNEY",
        "credential": "LCPC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-09-27",
        "last_updated": "2024-11-15",
        "certification_date": "2024-11-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MD",
            "license": "LPC8520",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverdale, MD

Sources for this page

Verify at the official NPI Registry.