Active NPI
Charles E Leonard, MD
- Radiation Oncology Physician
- Littleton, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- DR.0030114
- Practice address
- 22 W Dry Creek Cir
Littleton, CO 80120-4413 - Phone
- (303) 730-4700
- Fax
- (303) 930-8053
- NPI assigned
- Dec 2, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | DR.0030114 | CO | Primary |
Addresses
Primary practice location
22 W Dry Creek Cir
Littleton, CO 80120-4413
Mailing address
7951 E Maplewood Ave Ste 350
Greenwood Village, CO 80111-4758
Phone (303) 930-7895
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01301142 | 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
- Radiation Oncology
- Education
- Vanderbilt University School of Medicine, 1986
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
22 W Dry Creek Circle
Littleton, CO 80120-4413
Phone (303) 730-4700
Merit-based Incentive Payment System (MIPS)
- Final score
- 73.32 of 100
- Quality
- 59.88
- Promoting interoperability
- 72.04
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rocky Mountain Cancer Centers, LLP | Current | Accepting new patients | |
| Southern Colorado Clinic PC | Current | Accepting new patients | |
| Rocky Mountain Cancer Centers LLP | Radiation Oncology | Current | Accepting new patients |
| Rocky Mountain Cancer Centers LLP | Radiation Oncology | Current | Accepting new patients |
Locations
1700 S Potomac St
Aurora, CO 80012
Phone (303) 418-7600
4715 Arapahoe Ave
Boulder, CO 80303
Phone (303) 385-2000
3027 N Circle Dr
Colorado Springs, CO 80909
Phone (719) 577-2555
7951 E Maplewood Ave
Ste 300
Greenwood Village, CO 80111
Phone (303) 930-7800
7951 E Maplewood Ave
Ste 350
Greenwood Village, CO 80111
22 W Dry Creek Cir
Littleton, CO 80120
Phone (303) 730-4700
10103 Ridgegate Pkwy
Ste G01
Lone Tree, CO 80124
Phone (303) 925-0700
3676 Parker Blvd
Ste 350
Pueblo, CO 81008
Phone (719) 296-6000
8820 Huron St
Thornton, CO 80260
Phone (303) 386-7622
Interoperability endpoints
- leonard22@directaddress.net
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.
-
- Hematology & Oncology Physician
- Greenwood Village, CO
- NPI 1518941186
Radiation Oncology
-
- Radiation Oncology Physician
- Greenwood Village, CO
- NPI 1861539538
-
- Hematology & Oncology Physician
- Longmont, CO
- NPI 1538762760
-
- Clinic/Center
- Pueblo, CO
- NPI 1285613554
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133481600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1739923200000",
"number": "1811971963",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7951 E MAPLEWOOD AVE STE 350",
"city": "GREENWOOD VILLAGE",
"state": "CO",
"postal_code": "801114758",
"telephone_number": "303-930-7895",
"fax_number": "832-601-6018"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22 W DRY CREEK CIR",
"city": "LITTLETON",
"state": "CO",
"postal_code": "801204413",
"telephone_number": "303-730-4700",
"fax_number": "303-930-8053"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEONARD",
"first_name": "CHARLES",
"middle_name": "E",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-12-02",
"last_updated": "2025-02-19",
"certification_date": "2025-02-19",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "CO",
"license": "DR.0030114",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "01301142",
"state": "CO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Littleton, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 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.