Benjamin Cassin Johnson, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

D0103076 Issued in MD

Practice address

1800 Orleans St
Baltimore, MD 21287-0010

Phone

(410) 955-5000

NPI assigned

Mar 29, 2021

Last updated

Mar 18, 2025By 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Perelman School of Med at the University of Pennsylvania, 2021

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Baltimore Medical System, Inc.Group PAC ID 5395653455, 86 clinicians

Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Johns Hopkins Home Health Services, Inc Home health agency, Baltimore, MD, CCN 217081
• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: benjamin.johnson.p1@direct.bmsi.nextgenshare.com

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.

• Baltimore Medical System, Inc.

  dba BMS@Yard56

  • Federally Qualified Health Center (FQHC)
  • Baltimore, MD
  • NPI 1164138152
  Medicare reassignment Care Compare group NPD
• Johns Hopkins University

  dba Jhu - Anesthesia Pain MGMT

  • Pain Medicine (Anesthesiology) Physician
  • Baltimore, MD
  • NPI 1922008549
  Medicare reassignment Care Compare group NPD
• Baltimore Medical System, Inc.

  • Federally Qualified Health Center (FQHC)
  • Baltimore, MD
  • NPI 1700882503
  NPD
• Johns Hopkins University

  dba JHU - 4692 Millennium Drive - Physician

  • Ophthalmology Physician
  • Belcamp, MD
  • NPI 1376342774
  NPD
• Johns Hopkins University

  • Internal Medicine Physician
  • Lutherville, MD
  • NPI 1942010467
  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 Home Health Services, Inc.

  • Home Health Agency
  • Baltimore, MD
  • NPI 1669551321
  Care Compare affiliation Name & address match
• 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": "1616976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742256000000",
    "number": "1497332928",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "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": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "BENJAMIN",
        "middle_name": "CASSIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-29",
        "last_updated": "2025-03-18",
        "certification_date": "2025-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0103076",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Autumn Nicole Johnson
• Ayana Johnson, LCPC, MA
• Barbara Johnson
• Barbara Anne Johnson
• Baseemah Johnson
• Bianca Johnson
• Bobby Johnson, M.D.
• Brannon Deane Johnson, MD
• Brenda Joyce Johnson, NURSE PRACTITIONER
• Breyona Lakia Johnson

• Internal Medicine Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 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.