Christina Joy Walker, CRNP

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

R235436 Issued in MD

Practice address

8507 Oxon Hill Rd Ste 200
Fort Washington, MD 20744-4774

Phone

(301) 841-6868

Fax

(301) 841-6885

NPI assigned

Oct 24, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD, DC2 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, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Usacs Integrated Acute Care Services of Maryland LLCGroup PAC ID 4486900172, 178 clinicians

Emergency Medicine Associates P.a., P.C.Group PAC ID 8022914522, 706 clinicians

Galen Inpatient Physicians PCGroup PAC ID 3678464633, 1,045 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Luminis Health Doctors Community Medical Ctr, Inc Hospital, Lanham, MD, CCN 210051
• Holy Cross Germantown Hospital Hospital, Germantown, MD, CCN 210065
• Holy Cross Hospital Hospital, Silver Spring, MD, CCN 210004

Merit-based Incentive Payment System (MIPS)

Final score

72.91 of 100Reported as group

Quality

50.88

Improvement activities

40

Cost

69.9

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.

• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Germantown, MD
  • NPI 1225923154

  DC

  Medicare reassignment Care Compare group NPD
• Usacs Integrated Acute Care Services of Maryland, LLC

  • Internal Medicine Physician
  • Elkton, MD
  • NPI 1922598929

  DC

  Medicare reassignment Care Compare group NPD
• Emergency Medicine Associates P.a., P.C.

  • Emergency Medicine Physician
  • Falls Church, VA
  • NPI 1134117393

  DC

  Medicare reassignment Care Compare group NPD
• Mdics at Calvert LLC

  • Hospitalist Physician
  • Prince Frederick, MD
  • NPI 1033404207
  Medicare reassignment NPD
• Mdics Rehabilitative Services LLC

  • Internal Medicine Physician
  • Glen Burnie, MD
  • NPI 1124313309

  DC

  Medicare reassignment NPD
• Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • Laurel, MD
  • NPI 1831940881
  NPD
• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Silver Spring, MD
  • NPI 1417842345
  NPD
• Emergency Medicine Associates P.a., P.C.

  • Internal Medicine Physician
  • Culpeper, VA
  • NPI 1881559102
  NPD
• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Los Angeles, CA
  • NPI 1205787686
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Holy Cross Health, Inc

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1669417838
  Care Compare affiliation
• Holy Cross Health, Inc.

  • General Acute Care Hospital
  • Germantown, MD
  • NPI 1245655638
  Care Compare affiliation
• Holy Cross Health, Inc.

  • Clinical Medical Laboratory
  • Silver Spring, MD
  • NPI 1831574284

  Hospital

  Care Compare affiliation
• Luminis Health Doctors Community Medical Center, Inc.

  • General Acute Care Hospital
  • Lanham, MD
  • NPI 1730136532
  Care Compare affiliation

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

{
    "created_epoch": "1540339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1003382433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8507 OXON HILL RD STE 200",
            "city": "FORT WASHINGTON",
            "state": "MD",
            "postal_code": "207444774",
            "telephone_number": "301-841-6868",
            "fax_number": "301-841-6885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8507 OXON HILL RD STE 200",
            "city": "FORT WASHINGTON",
            "state": "MD",
            "postal_code": "207444774",
            "telephone_number": "301-841-6868",
            "fax_number": "301-841-6885"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "CHRISTINA",
        "middle_name": "JOY",
        "name_prefix": "Ms.",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-24",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MD",
            "license": "R235436",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Kaulin Wade, M. ED
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• Washington Surgical Specialists, LLC
• Frances Newton Washington

• Adult Health Nurse Practitioner in Fort Washington, MD
• Providers in Fort Washington, MD by specialty
• Adult Health Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.