Active NPI
Nathan Rubalcava, M.D.
- Pediatric Surgery Physician
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Surgery Physician
- License
- DR.0075928
- Practice address
- 2055 N High St Ste 370
Denver, CO 80205-5545 - Phone
- (303) 839-6001
- NPI assigned
- Apr 12, 2015
- 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 |
|---|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | 208G00000X | DR.0075928 | CO | |
| Surgery Physician | 208600000X | DR.0075928 | CO | |
| Pediatric Surgery Physician | 2086S0120X | DR.0075928 | CO | Primary |
Addresses
Primary practice location
2055 N High St Ste 370
Denver, CO 80205-5545
Mailing address
2055 N High St Ste 370
Denver, CO 80205-5545
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250904003386 | CO | Practitioner - General Surgery | 2769984277 |
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Other, 2015
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
2000 Health Park Dr
Brentwood, TN 37027-4692
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DR.0075928 | CO | MD | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Healthone Clinic Services - Pediatric Specialties LLC | Pediatric Surgery | Current | Accepting new patients |
| HCA Healthone LLC | Past | Accepting new patients |
Locations
2222 N Nevada Ave
Colorado Springs, CO 80907
Phone (719) 776-5333
1719 E 19th Ave
Denver, CO 80218
Phone (303) 839-6000
2055 N High St
Ste 370
Denver, CO 80205
10107 Ridgegate Pkwy
Ste 310
Lone Tree, CO 80124
Phone (303) 361-2663
2000 Health Park Dr
Brentwood, TN 37027
Phone (615) 372-5426
Interoperability endpoints
- nathan.rubalcava@hca3.eclinicaldirectplus.com
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.
-
- Pediatrics Physician
- Denver, CO
- NPI 1720293251
Pediatric Surgery
-
dba HCA HealthONE Presbyterian St. Lukes Hospital
- General Acute Care Hospital
- Denver, CO
- NPI 1720038946
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1428796800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754438400000",
"number": "1801282272",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2055 N HIGH ST STE 370",
"city": "DENVER",
"state": "CO",
"postal_code": "802055545"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2055 N HIGH ST STE 370",
"city": "DENVER",
"state": "CO",
"postal_code": "802055545",
"telephone_number": "303-839-6001"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RUBALCAVA",
"first_name": "NATHAN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2015-04-12",
"last_updated": "2025-08-06",
"certification_date": "2025-08-06",
"status": "A"
},
"taxonomies": [
{
"code": "208G00000X",
"taxonomy_group": "",
"desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
"state": "CO",
"license": "DR.0075928",
"primary": false
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "CO",
"license": "DR.0075928",
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "CO",
"license": "DR.0075928",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Denver, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.