Individual provider Active NPI

A.E. Hertzler Knox, MD

  • Pediatrics Physician
  • Bristol, CT
National Provider Identifier
1255344321
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
029692 Issued in CT
Practice address
Prohealth Physicians of Bristol
1251 Farmington Ave.
Bristol, CT 06010
Phone
(860) 584-4535
Fax
(860) 589-7656
NPI assigned
Aug 13, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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 029692 CT Primary

Addresses

Primary practice location

Prohealth Physicians of Bristol
1251 Farmington Ave.
Bristol, CT 06010

Mailing address

Prohealth Physicians of Bristol
1251 Farmington Ave.
Bristol, CT 06010
Phone (860) 584-4535

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20040116000678 CT Practitioner - Pediatric Medicine 9133020779 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
029692CTMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Prohealth Physicians PC Pediatrics CurrentSince Sep 5, 2009 Accepting new patients

Locations

1251 Farmington Ave
Bristol, CT 06010
Phone (860) 584-4535

160 Wolcott St
Bristol, CT 06010
Phone (860) 589-8872

4 Farm Springs Rd
Farmington, CT 06032
Phone (860) 284-5200

115 Spencer St
Winsted, CT 06098
Phone (860) 738-5810

Interoperability endpoints

  • Direct secure messaging: aehertzler.knox.npi1255344321.phpct@direct.optumcare.masshiway.net

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.

NPI Registry JSON

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

{
    "created_epoch": "1155427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1255344321",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PROHEALTH PHYSICIANS OF BRISTOL",
            "address_2": "1251 FARMINGTON AVE.",
            "city": "BRISTOL",
            "state": "CT",
            "postal_code": "06010",
            "telephone_number": "860-584-4535",
            "fax_number": "860-589-7656"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PROHEALTH PHYSICIANS OF BRISTOL",
            "address_2": "1251 FARMINGTON AVE.",
            "city": "BRISTOL",
            "state": "CT",
            "postal_code": "06010",
            "telephone_number": "860-584-4535",
            "fax_number": "860-589-7656"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOX",
        "first_name": "A.E. HERTZLER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-13",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CT",
            "license": "029692",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bristol, CT

Sources for this page

Verify at the official NPI Registry.