Stephanie Lynn Horrocks, CRNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

R149676 Issued in MD

Practice address

5233 King Ave Ste 308
Baltimore, MD 21237-4003

Phone

(410) 780-4050

Fax

(410) 780-4060

NPI assigned

Mar 14, 2019

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, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

American Oncology Partners PAGroup PAC ID 0042569758, 377 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• American Oncology Partners PA

  • Hematology & Oncology Physician
  • Columbus, OH
  • NPI 1265929723

  MD, Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Bay Hematology Oncology PA

  • Specialist
  • Easton, MD
  • NPI 1043321532
  NPD

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

• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  Care Compare affiliation

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

{
    "created_epoch": "1552521600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1821557414",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 749495",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303749495",
            "telephone_number": "855-963-2100",
            "fax_number": "813-321-1296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5233 KING AVE STE 308",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212374003",
            "telephone_number": "410-780-4050",
            "fax_number": "410-780-4060"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3333 N Calvert St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212182867",
            "country_code": "US",
            "telephone_number": "410-554-2950",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORROCKS",
        "first_name": "STEPHANIE",
        "middle_name": "LYNN",
        "name_prefix": "Mrs.",
        "credential": "CRNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-03-14",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MD",
            "license": "R149676",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MD",
            "license": "R149676",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elana Horowitz
• Marcel I. Horowitz, M. D.
• Sarah Horowitz
• Rebecca Anne Horrell, MS, AG-ACNP
• Benjamin Allen Horrigan, PA-C
• Erica Horsey
• Kierra Horsey
• Raven Horsey
• Tyquana Horsey
• Lamone Horsford

• Nurse Practitioner in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 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.