Individual provider Active NPI

Irini Maria Hanna, DDS

  • General Practice Dentistry
  • Baltimore, MD
National Provider Identifier
1255030748
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
17996 Issued in MD
Practice address
601 N Caroline St FL 6
Baltimore, MD 21287-0006
Phone
(410) 955-1932
NPI assigned
Feb 23, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 17996 MD
General Practice Dentistry 1223G0001X 17996 MD Primary

Addresses

Primary practice location

601 N Caroline St FL 6
Baltimore, MD 21287-0006

Mailing address

6201 Greenleigh Ave
Middle River, 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
I20240829000998 MD Practitioner - Maxillofacial Surgery 8426419003 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Maxillofacial Surgery
Education
University of Maryland at Baltimore School of Dentistry, 2023
Medicare assignment
May accept Medicare assignment
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

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

600 N Wolfe St
Blalock 266
Baltimore, MD 21287-0005
Phone (410) 502-4340

601 N Caroline St
Baltimore, MD 21287-0006
Phone (410) 955-5080

Hospital & facility affiliations

  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
17996MDMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Sep 1, 2024 Accepting new patients
Johns Hopkins University Current Accepting new patients
Johns Hopkins University Dentist CurrentSince Sep 1, 2024 Accepting new patients

Locations

601 N Caroline St
Fl 6
Baltimore, MD 21287
Phone (410) 955-1686

600 N Wolfe St
#266
Baltimore, MD 21287
Phone (410) 502-4340

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

Interoperability endpoints

  • Direct secure messaging: ihanna1118465@direct.hopkinsmedicine.org
  • Direct secure messaging: irini.hanna.p1@direct.bmsi.nextgenshare.com

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": "1677110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1255030748",
    "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",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 N CAROLINE ST FL 6",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870006",
            "telephone_number": "410-955-1932"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HANNA",
        "first_name": "IRINI",
        "middle_name": "MARIA",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-02-23",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MD",
            "license": "17996",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MD",
            "license": "17996",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.