Active NPI
Christopher L. Ciarallo, MD
- Pediatric Anesthesiology Physician
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Anesthesiology Physician
- License
- DR.0044535
- Practice address
- University of Colorado Hospital
4200 E. 9TH Ave
Denver, CO 80262-0001 - Phone
- (303) 493-7000
- NPI assigned
- Jul 17, 2006
- Last updated
- May 4, 2026
- 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 |
|---|---|---|---|---|
| Pediatric Anesthesiology Physician | 207LP3000X | DR.0044535 | CO | Primary |
| Anesthesiology Physician | 207L00000X | 44535 | CO |
Addresses
Primary practice location
University of Colorado Hospital
4200 E. 9TH Ave
Denver, CO 80262-0001
Mailing address
PO Box 110429
Aurora, CO 80042-0429
Phone (303) 493-7000
Other practice location 1
777 Bannock St
Denver, CO 80204-4597
Phone (303) 436-4949
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 82181233 | Medicaid | CO |
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
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- University of Michigan Medical School, 2002
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1024 Central Park Dr
Steamboat SPR, CO 80487-8813
Phone (970) 879-1322
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 44535 | CO | MD | Anesthesiology Physician |
| DR.0044535 | CO | MD | Pediatric Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Elk River Anesthesia Associates, P.C. | Anesthesiology | Current | Accepting new patients |
| Denver Health and Hospital Authority | Current | Accepting new patients | |
| Denver Health and Hospital Authority | Current | Accepting new patients |
Locations
777 Bannock St
Denver, CO 80204
777 Bannock St
#3240
Denver, CO 80204
Phone (303) 602-2714
1024 Central Park Dr
Steamboat Springs, CO 80487
Phone (970) 824-1322
Organizations & group practices 3
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.
-
- Anesthesiology Physician
- Steamboat Springs, CO
- NPI 1144311747
-
- General Practice Physician
- Denver, CO
- NPI 1477569838
-
- Psychiatric Hospital Unit
- Denver, CO
- NPI 1689624942
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba UCHealth Yampa Valley Medical Center
- General Acute Care Hospital
- Oak Creek, CO
- NPI 1164081345
-
- General Acute Care Hospital
- Hayden, CO
- NPI 1295394203
-
- General Acute Care Hospital
- Steamboat Springs, CO
- NPI 1790787307
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153094400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777852800000",
"number": "1710904479",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 110429",
"city": "AURORA",
"state": "CO",
"postal_code": "800420429",
"telephone_number": "303-493-7000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "UNIVERSITY OF COLORADO HOSPITAL",
"address_2": "4200 E. 9TH AVE",
"city": "DENVER",
"state": "CO",
"postal_code": "802620001",
"telephone_number": "303-493-7000"
}
],
"practiceLocations": [
{
"address_1": "777 Bannock St",
"address_purpose": "LOCATION",
"city": "Denver",
"state": "CO",
"postal_code": "802044597",
"country_code": "US",
"telephone_number": "303-436-4949",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CIARALLO",
"first_name": "CHRISTOPHER",
"middle_name": "L.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-17",
"last_updated": "2026-05-04",
"certification_date": "2026-05-04",
"status": "A"
},
"taxonomies": [
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "CO",
"license": "DR.0044535",
"primary": true
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CO",
"license": "44535",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "82181233",
"state": "CO"
}
],
"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 May 4, 2026; 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.