Individual provider Active NPI

David James Polhemus, MD, PHD

  • Internal Medicine Physician
  • Baltimore, MD
National Provider Identifier
1992383004
Registry record updated Oct 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0098168 Issued in MD
Practice address
1800 Orleans St
Baltimore, MD 21287-0010
Phone
(410) 955-5000
NPI assigned
Mar 30, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 30, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D0098168 MD Primary

Addresses

Primary practice location

1800 Orleans St
Baltimore, MD 21287-0010

Mailing address

6201 Greenleigh Ave
Baltimore, MD 21220-2004
Phone (410) 933-6423

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251112003281 MD Practitioner - Internal Medicine 7315346368 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Louisiana State University School of Medicine in New Orleans, 2021
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)

600 N Wolf St
Baltimore, MD 21287-0005
Phone (410) 955-5000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
D0098168MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Sep 24, 2025 Accepting new patients
Johns Hopkins University CurrentSince Sep 24, 2025 Accepting new patients

Locations

600 N Wolfe St
Baltimore, MD 21287

1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

Interoperability endpoints

  • Direct secure messaging: dpolhemus838611@direct.hopkinsmedicine.org

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1617062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1992383004",
    "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": [],
    "basic": {
        "last_name": "POLHEMUS",
        "first_name": "DAVID",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-30",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0098168",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.