Individual provider Active NPI

Sein Aung, M.D.

  • Hematology & Oncology Physician
  • Baltimore, MD
National Provider Identifier
1912974189
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
D0051555 Issued in MD
Practice address
9103 Franklin Square Dr
Suite 2200
Baltimore, MD 21237-3900
Phone
(443) 777-7147
NPI assigned
Mar 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X D0051555 MD Primary

Addresses

Primary practice location

9103 Franklin Square Dr
Suite 2200
Baltimore, MD 21237-3900

Mailing address

9103 Franklin Square Dr
Suite 2200
Baltimore, MD 21237-3900
Phone (443) 777-7147

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
I20110316000208 MD Practitioner - Hematology/Oncology 8224210026 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0051555MDMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland St. Joseph Medical Group, LLC CurrentSince Jan 9, 2023 Accepting new patients
University of Maryland St. Joseph Medical Group, LLC CurrentSince Jan 9, 2023 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

900 Elkridge Landing Rd
Fl 2
Linthicum Heights, MD 21090
Phone (443) 462-5010

7601 Osler Dr
Towson, MD 21204
Phone (410) 337-1150

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.

NPI Registry JSON

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

{
    "created_epoch": "1141689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1912974189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9103 FRANKLIN SQUARE DR",
            "address_2": "SUITE 2200",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373900",
            "telephone_number": "443-777-7147"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9103 FRANKLIN SQUARE DR",
            "address_2": "SUITE 2200",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373900",
            "telephone_number": "443-777-7147"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AUNG",
        "first_name": "SEIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MD",
            "license": "D0051555",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.