Active NPI
A.E. Hertzler Knox, MD
- Pediatrics Physician
- Bristol, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 029692
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 029692 | CT | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Prohealth Physicians PC | Pediatrics | Current | 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
- 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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.