Individual provider Active NPI

Nitin Seam, MD

  • Pulmonary Disease Physician
  • Washington, DC
National Provider Identifier
1689886038
Registry record updated Jun 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
MD33137 Issued in DC
Practice address
50 Irving St NW
Washington, DC 20422-0001
Phone
(202) 745-8000
NPI assigned
May 5, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X MD33137 DC
Critical Care Medicine (Internal Medicine) Physician 207RC0200X D0068459 MD
Pulmonary Disease Physician 207RP1001X D0068459 MD
Pulmonary Disease Physician 207RP1001X MD33137 DC Primary

Addresses

Primary practice location

50 Irving St NW
Washington, DC 20422-0001

Mailing address

4201 Cathedral Ave NW
#221-W
Washington, DC 20016-4901
Phone (202) 966-9226

Other practice location 1

800 Linden Ave Fl 9
Baltimore, MD 21201-4622
Phone (410) 225-8301

Other practice location 2

22 S Greene St
Baltimore, MD 21201-1544
Phone (410) 328-8141

Other practice location 3

827 Linden Ave
Baltimore, MD 21201-4606
Phone (410) 328-8141

Other practice location 4

219 S Washington St
Easton, MD 21601-2913
Phone (410) 882-1000

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
I20250624001244 MD Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Pulmonary Disease 0042722217 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine, Pulmonary Disease
Education
George Washington University School of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-8040

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD33137DCMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Physicians PA Critical Care Medicine CurrentSince Jul 28, 2025 Accepting new patients
University of Maryland Physicians P.a. CurrentSince Jul 28, 2025 Accepting new patients
University of Maryland Physicians P.a. Current Accepting new patients

Locations

800 Linden Ave
Fl 9
Baltimore, MD 21201
Phone (410) 225-8301

827 Linden Ave
Baltimore, MD 21201
Phone (410) 225-8100

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

219 S Washington St
Easton, MD 21601

Interoperability endpoints

  • Direct secure messaging: nseam1274733@direct.umm.edu

Organizations & group practices 3

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": "1178323200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1689886038",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 CATHEDRAL AVE NW",
            "address_2": "#221-W",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200164901",
            "telephone_number": "202-966-9226"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 IRVING ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "204220001",
            "telephone_number": "202-745-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 Linden Ave Fl 9",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212014622",
            "country_code": "US",
            "telephone_number": "410-225-8301",
            "fax_number": "410-328-0177",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "22 S Greene St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212011544",
            "country_code": "US",
            "telephone_number": "410-328-8141",
            "fax_number": "410-328-0177",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "827 Linden Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212014606",
            "country_code": "US",
            "telephone_number": "410-328-8141",
            "fax_number": "410-328-0177",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "219 S Washington St",
            "address_purpose": "LOCATION",
            "city": "Easton",
            "state": "MD",
            "postal_code": "216012913",
            "country_code": "US",
            "telephone_number": "410-882-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEAM",
        "first_name": "NITIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-05",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "DC",
            "license": "MD33137",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MD",
            "license": "D0068459",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MD",
            "license": "D0068459",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "DC",
            "license": "MD33137",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.