Connor Tenney Willis, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

D0103965 Issued in MD

Practice address

22 S Greene St
Baltimore, MD 21201-1544

Phone

(410) 328-2882

Fax

(410) 328-2977

NPI assigned

Mar 29, 2022

Sex

Male

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: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal MedicineAlso: Hospitalist

Education

Creighton University School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Maryland Physicians PAGroup PAC ID 2769394808, 395 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Maryland Medical Center Hospital, Baltimore, MD, CCN 210002

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cwillis920840@direct.umm.edu

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.

• University of Maryland Physicians P.a.

  • Cardiovascular Disease Physician
  • Baltimore, MD
  • NPI 1689623175
  Medicare reassignment Care Compare group NPD
• University of Maryland Physicians P.a.

  • Gastroenterology Physician
  • Largo, MD
  • NPI 1619860194
  NPD
• University of Maryland Physicians, P.a.

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1104877075
  NPD

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

• University of Maryland Medical Center, LLC

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1174660120
  Care Compare affiliation

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

{
    "created_epoch": "1648512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1457091449",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST RM N3E09",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-6110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-2882",
            "fax_number": "410-328-2977"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "827 Linden Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212014606",
            "country_code": "US",
            "telephone_number": "410-225-8790",
            "fax_number": "410-225-8910",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIS",
        "first_name": "CONNOR",
        "middle_name": "TENNEY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-29",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0103965",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D0103965",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Samantha Leigh Williamson, MD
• Willing to Assist
• Karen L Willing, MD
• Antonio Willingham
• Ashley Christine Willis, M.D.
• Kelly Willis, LCSW-C
• Kiyana Willis, SW
• Phyllis Willis, LMSW
• Terri Anne Willis, NURSE PRACTITIONER
• Cassandra Blair Willison, PA-C

• 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.