Christine R Marquardt, PMHNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

R130851 Issued in MD

Practice address

19 N Court St Ste 102
Frederick, MD 21701-5461

Phone

(240) 253-1323

Fax

(240) 253-1323

NPI assigned

Jan 6, 2016

Sex

Female

Sole proprietor

Yes

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

Enrolled in MD

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

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Marx Medical Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Frederick, MD
  • NPI 1063300549
  Medicare reassignment NPD Authorized official
• Marx Medical Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Frederick, MD
  • NPI 1902796980
  NPD Authorized official
• Serenity Treatment Center, Inc.

  • Addiction (Substance Use Disorder) Counselor
  • Hagerstown, MD
  • NPI 1649636747
  NPD (past)

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

{
    "created_epoch": "1452038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1669838751",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3861 TRITON LN",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217047007",
            "telephone_number": "240-388-7420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 N COURT ST STE 102",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217015461",
            "telephone_number": "240-253-1323",
            "fax_number": "240-253-1323"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARQUARDT",
        "first_name": "CHRISTINE",
        "middle_name": "R",
        "credential": "PMHNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-01-06",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MD",
            "license": "905830",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MD",
            "license": "R130851",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark X Coyne MD PA
• Kerri Marie Markley, OT
• Dara Markowitz, MSW. LCSW-C
• Suzanne Markowitz
• Kathryn W Marks, LCPC
• Morgan Nicole Marquart, MS, OTR/L
• Marshall E. Tarzy & Christine a. Kurkoski D.P.M., P.a.
• Malorie Marti, LCPC
• Aurielle Eileen Rowe Martin, PA-C
• Lindsey Camille Martin, LGPC

• Psychiatric/Mental Health Nurse Practitioner in Frederick, MD
• Providers in Frederick, MD by specialty
• Psychiatric/Mental Health Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2025; 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.