Mary Katherine Gerrard, PHD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

07383 Issued in MD

Practice address

9810 Patuxent Woods Dr Ste F
Columbia, MD 21046-1595

Phone

(443) 923-3871

NPI assigned

May 16, 2019

Sex

Female

Sole proprietor

No

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: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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.

• Kennedy Krieger Associates

  • Pediatrics Physician
  • Baltimore, MD
  • NPI 1871515783
  Medicare reassignment NPD
• Kennedy Krieger Associates

  • Pediatrics Physician
  • Middle River, MD
  • NPI 1841009842
  NPD
• Kennedy Krieger Children'S Hospital, Inc.

  • Developmental Disabilities Clinic/Center
  • Fulton, MD
  • NPI 1932917085
  NPD (past)

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

{
    "created_epoch": "1557964800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748995200000",
    "number": "1538725452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1211 S CONKLING ST APT 356",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212245346",
            "telephone_number": "513-319-4889"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9810 PATUXENT WOODS DR STE F",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210461595",
            "telephone_number": "443-923-3871"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERRARD",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-16",
        "last_updated": "2025-06-04",
        "certification_date": "2025-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MD",
            "license": "07383",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Crystal George
• Niyah George
• Stephen Wayne George, M.D.
• Karen Geppi
• Maria Geppi, RN
• Tsehaye Gesesew
• Robert Anton Gessler, M.D.
• Selamawit Getachew
• Kira Gettis
• Natalie Getzoff, M.D.

• Clinical Psychologist in Columbia, MD
• Providers in Columbia, MD by specialty
• Clinical Psychologist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 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.