Peter Baker Cornell, CRNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

R162453 Issued in MD

Practice address

600 N Wolfe Street Halsted 600
Johns Hopkins Hospital Department of Surgery
Baltimore, MD 21287-0001

Phone

(443) 604-3158

NPI assigned

Jul 5, 2007

Last updated

Mar 2, 2026By the provider in NPPES

Sex

Male

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

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

Medicare enrollment (NPD)

Enrolled

Practice roles

Interoperability endpoints

• Direct secure messaging: pcornell36023@direct.hopkinsmedicine.org

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.

• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1183593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1386842805",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE FL 2",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE STREET HALSTED 600",
            "address_2": "JOHNS HOPKINS HOSPITAL DEPARTMENT OF SURGERY",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870001",
            "telephone_number": "443-604-3158"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORNELL",
        "first_name": "PETER",
        "middle_name": "BAKER",
        "name_prefix": "Mr.",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-05",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MD",
            "license": "R162453",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lauren Beth Cornblatt, RD, LDN
• Terri L Cornelison, M.D.
• Bianca Leann Cornelius, DNP, CRNP
• David A Cornell, DNP, ARNP
• Katherine Hadley Cornell, PSY.D.
• Tyler Herrick Cornell, CRNP
• Cornerstone Clinic
• Cornerstone Counseling Center
• Cornerstone Health Care Agency, LLC
• Cornerstone Healthcare SVCS Inc

• 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 Mar 2, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.