Individual provider Active NPI

Blake Duffy, MD

  • Anesthesiology Physician
  • Baltimore, MD
National Provider Identifier
1942887252
Registry record updated Jun 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
D0102598 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(410) 328-9878
NPI assigned
Mar 24, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X MD
Anesthesiology Physician 207L00000X D0102598 MD Primary

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

22 S Greene St
Baltimore, MD 21201-1544

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
I20251027003174 MD Practitioner - Emergency MedicinePractitioner - Anesthesiology 2567861230 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Anesthesiology
Education
University of Michigan Medical School, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Shock Trauma Associates PAGroup PAC ID 6800882317, 258 clinicians

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-6704

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0102598MDMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Shock Trauma Associates, P.a. CurrentSince Aug 1, 2025 Accepting new patients

Locations

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

Interoperability endpoints

  • Direct secure messaging: bduffy1274158@direct.umm.edu

Organizations & group practices 1

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": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750032000000",
    "number": "1942887252",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-9878"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "BLAKE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-24",
        "last_updated": "2025-06-16",
        "certification_date": "2025-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D0102598",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.