Active NPI
Michael Charles Cundiff, APRN
- Nurse Practitioner
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- APN.1001743-NP
- Practice address
- 850 E Harvard Ave Ste 305
Denver, CO 80210-5076 - Phone
- (720) 638-7500
- Fax
- (720) 812-5134
- NPI assigned
- Mar 11, 2026
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Neurological Surgery Physician | 207T00000X | APN.1001743-NP | CO | |
| Nurse Practitioner | 363L00000X | APN.1001743-NP | CO | Primary |
Addresses
Primary practice location
850 E Harvard Ave Ste 305
Denver, CO 80210-5076
Mailing address
1551 Blackstone CT
Highlands Ranch, CO 80126-2155
Phone (727) 408-7428
Other practice location 1
7780 S Broadway Ste 350
Littleton, CO 80122-2641
Phone (720) 638-7500
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2026
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
850 E Harvard Ave
Suite 305
Denver, CO 80210-5076
Phone (303) 825-8822
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| APN.1001743-NP | CO | MD | Neurological Surgery Physician |
Organizations & group practices 1
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.
-
dba Affiliated Ear, Nose & Throat Physicians
- Otolaryngology Physician
- Greenwood Village, CO
- NPI 1760761928
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba AdventHealth West Littleton ER
- Emergency Care Clinic/Center
- Littleton, CO
- NPI 1548800154
Hospital
-
dba Adventhealth Littleton
- General Acute Care Hospital
- Littleton, CO
- NPI 1689688988
-
dba South Denver Heart Center
- General Acute Care Hospital
- Littleton, CO
- NPI 1720628332
-
dba Adventhealth Porter
- General Acute Care Hospital
- Denver, CO
- NPI 1801800594
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1773187200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778630400000",
"number": "1235086067",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1551 BLACKSTONE CT",
"city": "HIGHLANDS RANCH",
"state": "CO",
"postal_code": "801262155",
"telephone_number": "727-408-7428"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "850 E HARVARD AVE STE 305",
"city": "DENVER",
"state": "CO",
"postal_code": "802105076",
"telephone_number": "720-638-7500",
"fax_number": "720-812-5134"
}
],
"practiceLocations": [
{
"address_1": "7780 S Broadway Ste 350",
"address_purpose": "LOCATION",
"city": "Littleton",
"state": "CO",
"postal_code": "801222641",
"country_code": "US",
"telephone_number": "720-638-7500",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CUNDIFF",
"first_name": "MICHAEL",
"middle_name": "CHARLES",
"credential": "APRN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2026-03-11",
"last_updated": "2026-05-13",
"certification_date": "2026-05-13",
"status": "A"
},
"taxonomies": [
{
"code": "207T00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Neurological Surgery",
"state": "CO",
"license": "APN.1001743-NP",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "CO",
"license": "APN.1001743-NP",
"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 May 13, 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.