Active NPI
Luis Daniel Diaz-Aguilar, MD
- Neurological Surgery Physician
- Dakota Dunes, SD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurological Surgery Physician
- License
- 17565
- Practice address
- 575 N Sioux Point Rd
Dakota Dunes, SD 57049-5312 - Phone
- (605) 217-2667
- Fax
- (605) 217-2900
- NPI assigned
- Apr 4, 2018
- Last updated
- Aug 7, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurological Surgery Physician | 207T00000X | 36885 | NE | |
| Neurological Surgery Physician | 207T00000X | MD-54783 | IA | |
| Neurological Surgery Physician | 207T00000X | 17565 | SD | Primary |
Addresses
Primary practice location
575 N Sioux Point Rd
Dakota Dunes, SD 57049-5312
Mailing address
575 N Sioux Point Rd
Dakota Dunes, SD 57049-5312
Phone (605) 217-2667
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA, SD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Neurosurgery
- Education
- Other, 2018
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
315 W 5TH St
Storm Lake, IA 50588-1743
Phone (712) 732-7724
5708 Sunnybrook CT
Sioux City, IA 51106-4254
Phone (605) 217-2667
575 N Sioux Point Rd
Dakota Dunes, SD 57049-5312
Phone (605) 217-2667
714 Lincoln St NE
Le Mars, IA 51031-3314
Phone (712) 546-3338
Hospital & facility affiliations
- Dunes Surgical Hospital
- St Lukes Regional Medical Center
- Floyd Valley Healthcare
- Orange City Area Health System
- Buena Vista Regional Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Spinal fusion | 30 |
| Laminectomy or laminotomy (partial removal of spine bones) | 21 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD-54783 | IA | MD | Neurological Surgery Physician |
| 36885 | NE | MD | Neurological Surgery Physician |
| 17565 | SD | MD | Neurological Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Floyd Valley Healthcare | Current | Accepting new patients | |
| Floyd Valley Healthcare | Current | Accepting new patients | |
| Floyd Valley Healthcare | Current | Accepting new patients | |
| Cnos, PC | Current | Accepting new patients | |
| Cnos PC | Neurological Surgery | Current | Accepting new patients |
| Regents of the University of California Ucsd Head and Neck Surgery | Past | Accepting new patients | |
| Regents of the University of California | Neurological Surgery | Past | Accepting new patients |
Locations
714 Lincoln St NE
Le Mars, IA 51031
Phone (712) 546-3338
2720 Stone Park Blvd
Sioux City, IA 51104
Phone (712) 259-3000
2735 Outer Dr N
Sioux City, IA 51104
Phone (712) 224-5692
5708 Sunnybrook Ct
Sioux City, IA 51106
575 N Sioux Point Rd
North Sioux City, SD 57049
Phone (605) 217-2615
Interoperability endpoints
- luisdiaz-aguilar@cnos.allscriptsdirect.net
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Floyd Valley ER Services
- Emergency Medicine Physician
- Le Mars, IA
- NPI 1578625653
-
dba Sports Rehab & Professional Therapy
- Rehabilitation Clinic/Center
- Storm Lake, IA
- NPI 1033289749
-
- Orthopaedic Surgery Physician
- South Sioux City, NE
- NPI 1750047304
-
dba Floyd Valley Clinics
- Family Medicine Physician
- Le Mars, IA
- NPI 1447484472
-
dba Floyd Valley Pharmacy
- Community/Retail Pharmacy
- Le Mars, IA
- NPI 1710765433
-
- Neurological Surgery Physician
- San Diego, CA
- NPI 1760594998
-
- Otolaryngology Physician
- San Diego, CA
- NPI 1679509962
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Dunes Surgical Hospital
- Special Hospital
- Dakota Dunes, SD
- NPI 1093714073
-
- Critical Access Hospital
- Storm Lake, IA
- NPI 1134191653
-
- Critical Access Hospital
- Le Mars, IA
- NPI 1326109315
-
dba St Lukes Regional Medical Center
- General Acute Care Hospital
- Sioux City, IA
- NPI 1962594622
-
dba Northwest Surgery
- Specialist
- Orange City, IA
- NPI 1265479323
Hospital
-
dba Orange City Area Health System
- Critical Access Hospital
- Orange City, IA
- NPI 1700856796
-
dba Orange City Area Health System
- Family Medicine Physician
- Orange City, IA
- NPI 1962477992
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1522800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754524800000",
"number": "1306342555",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "575 N SIOUX POINT RD",
"city": "DAKOTA DUNES",
"state": "SD",
"postal_code": "570495312",
"telephone_number": "605-217-2667",
"fax_number": "605-217-2900"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "575 N SIOUX POINT RD",
"city": "DAKOTA DUNES",
"state": "SD",
"postal_code": "570495312",
"telephone_number": "605-217-2667",
"fax_number": "605-217-2900"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIAZ-AGUILAR",
"first_name": "LUIS",
"middle_name": "DANIEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-04",
"last_updated": "2025-08-07",
"certification_date": "2025-08-07",
"status": "A"
},
"taxonomies": [
{
"code": "207T00000X",
"taxonomy_group": "",
"desc": "Neurological Surgery",
"state": "NE",
"license": "36885",
"primary": false
},
{
"code": "207T00000X",
"taxonomy_group": "",
"desc": "Neurological Surgery",
"state": "IA",
"license": "MD-54783",
"primary": false
},
{
"code": "207T00000X",
"taxonomy_group": "",
"desc": "Neurological Surgery",
"state": "SD",
"license": "17565",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Dakota Dunes, SD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.