Individual provider Active NPI

Calvin Knox, DO

  • Emergency Medicine Physician
  • Springfield, MA
National Provider Identifier
1679276323
Registry record updated Aug 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
1027519 Issued in MA
Practice address
759 Chestnut St
Springfield, MA 01199-0001
Phone
(413) 794-0000
NPI assigned
Mar 22, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 12, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X 1027519 MA Primary
Emergency Medicine Physician 207P00000X 84302 CT

Addresses

Primary practice location

759 Chestnut St
Springfield, MA 01199-0001

Mailing address

759 Chestnut St
Springfield, MA 01199-0001
Phone (413) 794-0000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20230913001392 MA Order and Referring Only - Emergency MedicinePractitioner - Emergency Medicine 6305200148

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Touro Un Col of Osteopathic Medicine, New York, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1601 Cummins Dr
Suite D
Modesto, CA 95358-6403

1601 Cummins Dr D
Modesto, CA 95358-6411

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1679443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1679276323",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "759 CHESTNUT ST",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011990001",
            "telephone_number": "413-794-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "759 CHESTNUT ST",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011990001",
            "telephone_number": "413-794-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOX",
        "first_name": "CALVIN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-22",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1027519",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "84302",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.