Individual provider Active NPI

Jenny E Horowitz, MD

  • Pediatrics Physician
  • Springfield, MA
National Provider Identifier
1104236348
Registry record updated Jan 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
287399 Issued in MA
Practice address
50 Wason Ave
Springfield, MA 01107-1274
Phone
(413) 794-2515
Fax
(413) 794-5673
NPI assigned
Apr 28, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 287399 MA Primary

Addresses

Primary practice location

50 Wason Ave
Springfield, MA 01107-1274

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 CA, MA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20170621001442 CA Practitioner - Pediatric Medicine 3577831221 Reassigns benefits to 1 organization
I20210805002667 MA Practitioner - Pediatric Medicine 3577831221 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
287399MAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alameda Health System CurrentSince Jun 30, 2017 Accepting new patients
Alameda Health System CurrentSince Jun 30, 2017 Accepting new patients
Alameda Health System Current Accepting new patients
Baystate Medical Practices, Inc Pediatrics CurrentSince Jul 28, 2021 Accepting new patients

Locations

15400 Foothill Blvd
Castro Valley, CA 94578
Phone (510) 346-1468

1411 E 31st St
Oakland, CA 94602
Phone (510) 437-4323

759 Chestnut St
Springfield, MA 01199
Phone (413) 794-3233

50 Wason Ave
Springfield, MA 01107
Phone (413) 794-2515

50 Wason Ave
Fl 1
Springfield, MA 01107
Phone (413) 794-5437

280 Chestnut St
Fl 2
Springfield, MA 01199
Phone (413) 788-4385

140 High St
Springfield, MA 01105
Phone (413) 495-1500

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 and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1398643200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1104236348",
    "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": "50 WASON AVE",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071274",
            "telephone_number": "413-794-2515",
            "fax_number": "413-794-5673"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOROWITZ",
        "first_name": "JENNY",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-28",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "287399",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.