Wallace R Johnson, M.D.

Primary specialty

Hypertension Specialist PhysicianTaxonomy code 207RH0005X

License

D38086 Issued in MD

Practice address

9175 Guilford Rd Ste 140
Columbia, MD 21046-1849

Phone

(410) 512-9202

Fax

(949) 991-1377

NPI assigned

Jun 13, 2006

Last updated

Oct 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of Maryland School of Medicine, 1986

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
• University of MD Medical Center Midtown Campus Hospital, Baltimore, MD, CCN 210038

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wjohnson6210@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• University of Maryland Physicians P.a.

  dba University of Maryland Medical Group - Cardiology

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

  dba University of Maryland Medical Group

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

  dba University of Maryland Medical Group - Geographic Medicine

  • Infectious Disease Physician
  • Baltimore, MD
  • NPI 1720038540
  NPD
• University of Maryland Physicians PA

  dba University of Maryland Medical Group - Infectious Disease

  • Infectious Disease Physician
  • Baltimore, MD
  • NPI 1134179955

  Internal Medicine

  NPD
• Call Doctor Packer Telemedicine, LLC

  • Internal Medicine Physician
  • Columbia, MD
  • NPI 1689522583
  NPD (past)
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

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

  • Health Service Psychologist
  • Baltimore, MD
  • NPI 1629210166
  NPD (past)
• University Care LLC

  • Family Medicine Physician
  • Baltimore, MD
  • NPI 1497760276

  Internal Medicine

  NPD (past)

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

• Maryland General Hospital Inc

  dba University of Maryland Medical Center Midtown Campus

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1669565180
  Care Compare affiliation
• University of Maryland Medical Center, LLC

  dba University of Maryland Medical Center

  • 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": "1150156800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790899200000",
    "number": "1043253867",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9175 GUILFORD RD STE 300",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210462565",
            "telephone_number": "410-512-9122",
            "fax_number": "949-991-1359"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9175 GUILFORD RD STE 140",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210461849",
            "telephone_number": "410-512-9202",
            "fax_number": "949-991-1377"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9175 Guilford Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Columbia",
            "state": "MD",
            "postal_code": "210462565",
            "country_code": "US",
            "telephone_number": "410-512-9122",
            "fax_number": "949-991-1359",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "WALLACE",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-13",
        "last_updated": "2026-10-02",
        "certification_date": "2026-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0005X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hypertension Specialist",
            "state": "MD",
            "license": "D38086",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shawanda Johnson
• Sheree Johnson, LCSW-C
• Terra Johnson
• Terri Evette Johnson, MSW, LCSW-C, LCADC
• Theresa Johnson, RN
• Yvette Johnson
• Roman Johnsonbaugh
• Todd Johnsonbaugh, D.C.
• Carol J Johnston, APRN,PMH,BC
• Jomesa de'Lice Boone (Helping Hands Care)

• Internal Medicine Physician in Columbia, MD
• Providers in Columbia, 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 Oct 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.
• 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.