Active NPI
Louis Stephen Endsley, MD
- Interventional Cardiology Physician
- Modesto, CA
National Provider Identifier
1700826682
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Interventional Cardiology Physician
- License
- G15337
- Practice address
- 1540 Florida Ave
#100
Modesto, CA 95350 - Phone
- (209) 577-5557
- Fax
- (209) 577-8125
- NPI assigned
- Jun 7, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | G15337 | CA | |
| Interventional Cardiology Physician | 207RI0011X | G15337 | CA | Primary |
Addresses
Primary practice location
1540 Florida Ave
#100
Modesto, CA 95350
Mailing address
1540 Florida Ave
#100
Modesto, CA 95350
Phone (209) 577-5557
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G15337 | CA | MD | Interventional Cardiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Valley Heart Associates Medical Group Inc | Cardiovascular Disease | Past | Accepting new patients |
| Doctors Medical Center of Modesto | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Family Medicine Physician
- Patterson, CA
- NPI 1073944393
-
- Cardiovascular Disease Physician
- Modesto, CA
- NPI 1689614562
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149638400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1700826682",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1540 FLORIDA AVE",
"address_2": "#100",
"city": "MODESTO",
"state": "CA",
"postal_code": "95350",
"telephone_number": "209-577-5557",
"fax_number": "209-577-8125"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1540 FLORIDA AVE",
"address_2": "#100",
"city": "MODESTO",
"state": "CA",
"postal_code": "95350",
"telephone_number": "209-577-5557",
"fax_number": "209-577-8125"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ENDSLEY",
"first_name": "LOUIS",
"middle_name": "STEPHEN",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-07",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "CA",
"license": "G15337",
"primary": false
},
{
"code": "207RI0011X",
"taxonomy_group": "",
"desc": "Internal Medicine, Interventional Cardiology",
"state": "CA",
"license": "G15337",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Modesto, CA
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.