Alarica Nicole Dietzen

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

D0101520 Issued in MD

Practice address

1800 Orleans St
Baltimore, MD 21287-0010

Phone

(410) 955-5000

NPI assigned

Mar 21, 2022

Last updated

Jun 30, 2025By the provider in NPPES

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

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

Tulane University School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Johns Hopkins UniversityGroup PAC ID 4981745098, 711 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: adietzen1394867@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.

• Johns Hopkins University

  dba Jhu - Medicine/Hospitalist

  • Hospitalist Physician
  • Baltimore, MD
  • NPI 1902332133
  Medicare reassignment Care Compare group NPD
• Johns Hopkins University

  dba JHU - 6849 Old Dominion Drive - Physician

  • Neurology Physician
  • McLean, VA
  • NPI 1598552226
  NPD
• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  NPD (past)

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": "1647820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1073262739",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 ORLEANS ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870010",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "49 Jesse Hill Jr Dr SE",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303033049",
            "country_code": "US",
            "telephone_number": "404-778-7777",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIETZEN",
        "first_name": "ALARICA",
        "middle_name": "NICOLE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-21",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D0101520",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Helen Marie Dietrick, R.N.
• Ryan Dietsch, LCPC
• Gregory Bruce Diette, M.D.
• Edith Dietz, MD
• Harry C Dietz III, M.D.
• Christine O Diffenderffer, CRNP
• Jordan Differding, MS, CCC-SLP
• Karen Brownlie Difilippo, CRNP
• Dig-in-to Change/Knowledge, Power and Wisdom, LLC
• Dig-in-to Change/Knowledge, Power and Wisdom, LLC

• Hospitalist Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Hospitalist Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.