NPIMap

Individual provider Active NPI

Bruce Leff, M.D.

  • Geriatric Medicine (Internal Medicine) Physician
  • Baltimore, MD
National Provider Identifier
1164466157
Registry record updated Feb 11, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
D37089 Issued in MD
Practice address
5505 Hopkins Bayview Cir
Baltimore, MD 21224-6821
Phone
(410) 550-0925
NPI assigned
Jun 16, 2006
Last updated
Feb 11, 2013By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 11, 2013

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D37089 MD
Geriatric Medicine (Internal Medicine) Physician 207RG0300X D37089 MD Primary

Addresses

Primary practice location

5505 Hopkins Bayview Cir
Baltimore, MD 21224-6821

Mailing address

PO Box 64264
Baltimore, MD 21264-4264
Phone (410) 550-0925

Other identifiers 1

IdentifierTypeStateIssuer
286981100MedicaidMD

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
I20100622000287 MD Practitioner - Internal MedicinePractitioner - Geriatric Medicine 9234260183 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Geriatric Medicine
Education
New York University School of Medicine, 1987
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

5505 Hopkins Bayview Cir
Baltimore, MD 21224-6821
Phone (410) 550-0756

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University Geriatric Medicine CurrentSince Jul 1, 2002 Accepting new patients
Johns Hopkins Community Physicians Internal Medicine CurrentSince Oct 1, 2025 Accepting new patients
Johns Hopkins University CurrentSince Jul 1, 2002 Accepting new patients
Johns Hopkins Community Physicians, Inc Internal Medicine Current Accepting new patients
Johns Hopkins University CurrentSince Dec 1, 2020 Accepting new patients
Johns Hopkins Community Physicians CurrentSince Oct 1, 2025 Accepting new patients
Johns Hopkins University CurrentSince Dec 1, 2020 Accepting new patients
Johns Hopkins University Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Johns Hopkins Bayview Medical Center Inc Past Accepting new patients

Locations

1000 E Eager St
Baltimore, MD 21202
Phone (410) 522-9800

4940 Eastern Ave
Baltimore, MD 21224

5505 Hopkins Bayview Cir
Baltimore, MD 21224
Phone (410) 550-0756

5505 Hopkins Bayview Cir
#2
Baltimore, MD 21224
Phone (410) 550-0925

5601 Loch Raven Blvd
Baltimore, MD 21239
Phone (443) 444-4714

600 N Wolfe St
Baltimore, MD 21287

10753 Falls Rd
Lutherville Timonium, MD 21093
Phone (410) 583-2665

Interoperability endpoints

  • Direct secure messaging: bleff32797@direct.hopkinsmedicine.org

Organizations & group practices 10

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 3

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": "1150416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1360540800000",
    "number": "1164466157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 64264",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212644264",
            "telephone_number": "410-550-0925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5505 HOPKINS BAYVIEW CIR",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212246821",
            "telephone_number": "410-550-0925"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEFF",
        "first_name": "BRUCE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-16",
        "last_updated": "2013-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D37089",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "MD",
            "license": "D37089",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "286981100",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.