Individual provider Active NPI

Alexander Miles Jenson

  • Emergency Medicine Physician
  • Springfield, MA
National Provider Identifier
1124450317
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
1026133 Issued in MA
Practice address
759 Chestnut St # S6538
Springfield, MA 01107-1619
Phone
(413) 794-3233
Fax
(413) 794-9060
NPI assigned
Jul 30, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 1026133 MA Primary

Addresses

Primary practice location

759 Chestnut St # S6538
Springfield, MA 01107-1619

Mailing address

280 Chestnut St FL 2
Springfield, MA 01199-1001
Phone (413) 794-5700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, TX, MA3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20190222001408 MD Practitioner - Emergency Medicine 4183937600 Reassigns benefits to 3 organizations
I20201214000278 TX Practitioner - Emergency Medicine 4183937600 Reassigns benefits to 1 organization
I20260605003846 MA Practitioner - Emergency Medicine 4183937600 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Johns Hopkins University School of Medicine, 2015
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

280 Chestnut St
FL 2
Springfield, MA 01199-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
78.18 of 100Reported as group
Quality
61.12
Improvement activities
40
Cost
81.87

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University Emergency Medicine CurrentSince Jan 1, 2019 Accepting new patients
University of Maryland Midtown Health Inc CurrentSince Aug 10, 2019 Accepting new patients
Johns Hopkins University CurrentSince Jan 1, 2019 Accepting new patients
University of Maryland Emergency Medicine Associates, PA Emergency Medicine CurrentSince Aug 1, 2019 Accepting new patients
DHHS,PHS,Naihs, Gallup Indian Medical Center CurrentSince Sep 10, 2020 Accepting new patients
Johns Hopkins University Current Accepting new patients

Locations

105 Penn St
Baltimore, MD 21201
Phone (410) 328-2387

4940 Eastern Ave
Baltimore, MD 21224

600 N Wolfe St
Baltimore, MD 21287

821 N Eutaw St
Baltimore, MD 21201
Phone (410) 225-9185

516 E Nizhoni Blvd
Gallup, NM 87301
Phone (505) 722-1326

Organizations & group practices 7

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 2

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": "1375142400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1124450317",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT ST FL 2",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "759 CHESTNUT ST # S6538",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071619",
            "telephone_number": "413-794-3233",
            "fax_number": "413-794-9060"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JENSON",
        "first_name": "ALEXANDER",
        "middle_name": "MILES",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-07-30",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1026133",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.