Active NPI
Caroline Lutz Hopper, PAC
- Physician Assistant
- Westport, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 7171
- Practice address
- 191 Post Rd W
Westport, CT 06880-4625 - Phone
- (860) 545-9000
- NPI assigned
- May 14, 2018
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | PA0005362 | CO | |
| Physician Assistant | 363A00000X | 7171 | CT | Primary |
Addresses
Primary practice location
191 Post Rd W
Westport, CT 06880-4625
Mailing address
191 Post Rd W
Westport, CT 06880-4625
Phone (860) 545-9000
Other practice location 1
9094 E Mineral Cir Ste 120
Centennial, CO 80112-7201
Phone (303) 779-5437
Other names 1
- Caroline Walker Lutz
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: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA0005362 | CO | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Connecticut Children'S Specialty Group, Inc. | Pediatrics | Current | Accepting new patients |
| Pediatrics 5280, PC | Pediatrics | Past | Accepting new patients |
| Connecticut Children'S Medical Center | Past | Accepting new patients | |
| Pediatrics 5280 PC | Pediatrics | Past | Accepting new patients |
Locations
105 Newtown Rd
#A
Danbury, CT 06810
Phone (860) 545-9395
505 Farmington Ave
#1
Farmington, CT 06032
310 Western Blvd
Glastonbury, CT 06033
Phone (860) 837-9877
85 Seymour St
Ste 500
Hartford, CT 06106
Phone (860) 545-9370
10 Columbus Blvd
Fl 4
Hartford, CT 06106
Phone (860) 837-5560
282 Washington St
Hartford, CT 06106
Phone (860) 545-8950
10 Columbus Blvd
Hartford, CT 06106
Phone (860) 837-5619
191 Post Rd W
#1
Westport, CT 06880
191 Post Rd W
Westport, CT 06880
Phone (203) 221-2823
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.
-
- Pediatrics Physician
- Hartford, CT
- NPI 1669448882
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Hartford, CT
- NPI 1578106951
-
- Pediatrics Physician
- Castle Rock, CO
- NPI 1134545395
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1526256000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753142400000",
"number": "1619467883",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "191 POST RD W",
"city": "WESTPORT",
"state": "CT",
"postal_code": "068804625",
"telephone_number": "860-545-9000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "191 POST RD W",
"city": "WESTPORT",
"state": "CT",
"postal_code": "068804625",
"telephone_number": "860-545-9000"
}
],
"practiceLocations": [
{
"address_1": "9094 E Mineral Cir Ste 120",
"address_purpose": "LOCATION",
"city": "Centennial",
"state": "CO",
"postal_code": "801127201",
"country_code": "US",
"telephone_number": "303-779-5437",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HOPPER",
"first_name": "CAROLINE",
"middle_name": "LUTZ",
"name_prefix": "Ms.",
"credential": "PAC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2018-05-14",
"last_updated": "2025-07-22",
"certification_date": "2025-07-22",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CO",
"license": "PA0005362",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CT",
"license": "7171",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "CAROLINE",
"last_name": "LUTZ",
"middle_name": "WALKER",
"credential": "PAC",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Westport, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.