NPIMap

Individual provider Active NPI

Marchelle June Bean Giannini, M.D.

  • Diagnostic Radiology Physician
  • Dallas, TX
National Provider Identifier
1174588503
Registry record updated Apr 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
D58508 Issued in MD
Practice address
2825 Oak Lawn Ave Unit 192749
Dallas, TX 75219-4688
Phone
(844) 389-5711
Fax
(877) 880-2039
NPI assigned
Apr 19, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X R9357 TX
Diagnostic Radiology Physician 2085R0202X 35.092465 OH
Diagnostic Radiology Physician 2085R0202X 2005-00389 NC
Diagnostic Radiology Physician 2085R0202X D58508 MD Primary
Diagnostic Radiology Physician 2085R0202X 66352 CT

Addresses

Primary practice location

2825 Oak Lawn Ave Unit 192749
Dallas, TX 75219-4688

Mailing address

2825 Oak Lawn Ave Unit 192749
Dallas, TX 75219-4688
Phone (844) 389-5711

Other identifiers 1

IdentifierTypeStateIssuer
788304800MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160328000397 MD Practitioner - Diagnostic Radiology 7214234830 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Missouri, Kansas City, School of Medicine, 1997
Medicare assignment
May accept Medicare assignment
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians
Osu Radiology LLCGroup PAC ID 8921031675, 180 clinicians

Practice addresses (Care Compare)

11055 Little Patuxent Pkwy
Columbia, MD 21044-2897
Phone (443) 574-5800

5755 Cedar LN
Columbia, MD 21044-2912
Phone (410) 740-7544

5755 Cedar LN
Columbia, MD 21044-2999
Phone (410) 740-7890

5759 Cedar LN
Columbia, MD 21044-2912
Phone (443) 718-3738

8580 Leisure Hill Dr
Pikesville, MD 21208-1740
Phone (650) 723-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2005-00389NCMDDiagnostic Radiology Physician
35.092465OHMDDiagnostic Radiology Physician
R9357TXMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Osu Radiology LLC Diagnostic Radiology CurrentSince Apr 1, 2020 Accepting new patients
Blue Ridge Healthcare Medical Group Inc Diagnostic Radiology CurrentSince Apr 20, 2025 Accepting new patients
Johns Hopkins University Current Accepting new patients
Midtown Medical Imaging - Alliance CurrentSince Nov 5, 2018 Accepting new patients
Blue Ridge Healthcare Medical Group, Inc. CurrentSince Apr 20, 2025 Accepting new patients
Ramic Fort Worth, LLC CurrentSince Nov 5, 2018 Accepting new patients
Pacific Radiology Group Inc Diagnostic Radiology CurrentSince Sep 1, 2023 Accepting new patients
Midtown Medical Imaging - Southlake, LLC CurrentSince Jun 1, 2021 Accepting new patients
Johns Hopkins University CurrentSince Apr 1, 2022 Accepting new patients
Stanford Health Care CurrentSince May 1, 2020 Accepting new patients
Johns Hopkins University Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
University of Texas Southwestern Medical Center at Dallas Current Accepting new patients
Stanford Health Care Diagnostic Radiology CurrentSince May 1, 2020 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Cira Michigan PC Diagnostic Radiology Past Accepting new patients
Blue Ridge Healthcare Medical Group, Inc. Past Accepting new patients
University Radiologists Inc Diagnostic Radiology Past Accepting new patients
American Radiology Associates, P.a. Diagnostic Radiology Past Accepting new patients
American Radiology Associates, P.a. Diagnostic Radiology Past Accepting new patients

Locations

911 Sunset Dr
Hollister, CA 95023
Phone (831) 626-2640

321 N Kuakini St
Ste 405
Honolulu, HI 96817
Phone (808) 522-0190

5755 Cedar Ln
Columbia, MD 21044
Phone (410) 381-7171

2293 Sugar Hill Rd
Ste G
Marion, NC 28752
Phone (828) 580-1307

6201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 633-4700

600 S Main St
Ft Worth, TX 76104
Phone (817) 882-2400

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 11

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": "1145404800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1174588503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2825 OAK LAWN AVE UNIT 192749",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752194688",
            "telephone_number": "844-389-5711",
            "fax_number": "877-880-2039"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2825 OAK LAWN AVE UNIT 192749",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752194688",
            "telephone_number": "844-389-5711",
            "fax_number": "877-880-2039"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIANNINI",
        "first_name": "MARCHELLE",
        "middle_name": "JUNE BEAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-19",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "R9357",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "OH",
            "license": "35.092465",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NC",
            "license": "2005-00389",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MD",
            "license": "D58508",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CT",
            "license": "66352",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "788304800",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.