Individual provider Active NPI

Natalie L Leong, M.D.

  • Sports Medicine (Orthopaedic Surgery) Physician
  • Baltimore, MD
National Provider Identifier
1114217411
Registry record updated Aug 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sports Medicine (Orthopaedic Surgery) PhysicianTaxonomy code 207XX0005X
License
036142609 Issued in IL
Practice address
351 W Camden St Ste 501
Baltimore, MD 21201-2493
Phone
(410) 448-6400
Fax
(410) 244-0635
NPI assigned
Apr 8, 2011
Last updated
Aug 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X 036142609 IL Primary
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X PENDING MD
Orthopaedic Surgery Physician 207X00000X PENDING MD
Orthopaedic Surgery Physician 207X00000X A124051 CA

Addresses

Primary practice location

351 W Camden St Ste 501
Baltimore, MD 21201-2493

Mailing address

PO Box 64134
Baltimore, MD 21264-4134
Phone (667) 214-2714

Other practice location 1

1611 W Harrison St
Chicago, IL 60612-4861
Phone (877) 632-6637

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
I20181001002275 MD Practitioner - Orthopedic Surgery 9436386430 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Other, 2017
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) 328-6704

2200 Kernan Dr
Baltimore, MD 21207-6665
Phone (410) 328-6704

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A124051CAMDOrthopaedic Surgery Physician
PENDINGMDMDCritical Care Pediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Orthopaedic Trauma Associates, PA CurrentSince Sep 25, 2018 Accepting new patients
University of Maryland Orthopaedic Associates PA Orthopaedic Surgery CurrentSince Aug 27, 2018 Accepting new patients
University of Maryland Orthopaedic Associates P a Orthopaedic Surgery CurrentSince Aug 27, 2018 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

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

351 W Camden St
Ste 501
Baltimore, MD 21201
Phone (410) 328-6034

5500 Knoll North Dr
Columbia, MD 21045
Phone (410) 553-8290

5500 Knoll North Dr
Ste 100
Columbia, MD 21045
Phone (410) 448-6040

2200 Kernan Dr
Woodlawn, MD 21207
Phone (410) 448-2500

Interoperability endpoints

  • Direct secure messaging: nleong538058@direct.umm.edu

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1302220800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754870400000",
    "number": "1114217411",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 64134",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212644134",
            "telephone_number": "667-214-2714",
            "fax_number": "410-448-6926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "351 W CAMDEN ST STE 501",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212012493",
            "telephone_number": "410-448-6400",
            "fax_number": "410-244-0635"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1611 W Harrison St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606124861",
            "country_code": "US",
            "telephone_number": "877-632-6637",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEONG",
        "first_name": "NATALIE",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-04-08",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "IL",
            "license": "036142609",
            "primary": true
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "MD",
            "license": "PENDING",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MD",
            "license": "PENDING",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "A124051",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.