Active NPI
Maxwell A Witt, MD
- Internal Medicine Physician
- Aurora, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- DR.0071126
- Practice address
- 12700 E 19TH Ave
Aurora, CO 80045-2560 - Phone
- (303) 724-6196
- NPI assigned
- Apr 15, 2020
- 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 |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | DR.0071126 | CO | |
| Student in an Organized Health Care Education/Training Program | 390200000X | NM | ||
| Internal Medicine Physician | 207R00000X | DR.0071126 | CO | Primary |
Addresses
Primary practice location
12700 E 19TH Ave
Aurora, CO 80045-2560
Mailing address
12700 East 19TH Avenue
Mail Stop B168
Aurora, CO 80045
Phone (303) 724-6196
Other practice location 1
1 University Of New Mexico
Albuquerque, NM 87131-0001
Phone (505) 272-6331
Other practice location 2
10350 E Dakota Ave
Denver, CO 80247-1314
Phone (303) 338-4545
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 029706 | Other | CO | KAISER COMMERCIAL NUMBER |
| 9000222550 | Medicaid | CO |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO, WY
- 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
- Hospitalist
- Education
- University of Michigan Medical School, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
10350 E Dakota Ave
Kaiser Permanente Regional Office
Denver, CO 80247-1314
Phone (303) 338-4545
4116 Laramie St
Cheyenne, WY 82001-1969
Phone (307) 635-7961
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Colorado Permanente Medical Group, P.C. | Internal Medicine | Current | Accepting new patients |
| Cheyenne Regional Physicians Group, LLC | Current | Accepting new patients | |
| Cheyenne Children'S Clinic, PC | Past | Accepting new patients |
Locations
10350 E Dakota Ave
Denver, CO 80247
Phone (303) 636-3350
10350 E Dakota Ave
Ofc
Denver, CO 80247
Phone (303) 344-7771
4116 Laramie St
Cheyenne, WY 82001
Phone (307) 634-9311
2301 House Ave
Ste 201
Cheyenne, WY 82001
Phone (307) 635-9131
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 and National Provider Directory roles.
-
- Internal Medicine Physician
- Denver, CO
- NPI 1760599724
-
- Medical Oncology Physician
- Cheyenne, WY
- NPI 1659458008
-
- Pediatrics Physician
- Cheyenne, WY
- NPI 1073537601
Hospital & facility affiliations 19
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1073172201
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1124518113
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1144397134
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1154030732
-
- General Acute Care Hospital
- Fountain, CO
- NPI 1295225274
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1316506231
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1407532559
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1518526441
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1538958400
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1578053567
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1598324428
-
- General Acute Care Hospital
- Colorado Springs, CO
- NPI 1629746599
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1586908800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749513600000",
"number": "1174142541",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12700 EAST 19TH AVENUE",
"address_2": "MAIL STOP B168",
"city": "AURORA",
"state": "CO",
"postal_code": "80045",
"telephone_number": "303-724-6196"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "12700 E 19TH AVE",
"city": "AURORA",
"state": "CO",
"postal_code": "800452560",
"telephone_number": "303-724-6196"
}
],
"practiceLocations": [
{
"address_1": "1 University Of New Mexico",
"address_purpose": "LOCATION",
"city": "Albuquerque",
"state": "NM",
"postal_code": "871310001",
"country_code": "US",
"telephone_number": "505-272-6331",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "10350 E Dakota Ave",
"address_purpose": "LOCATION",
"city": "Denver",
"state": "CO",
"postal_code": "802471314",
"country_code": "US",
"telephone_number": "303-338-4545",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WITT",
"first_name": "MAXWELL",
"middle_name": "A",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-04-15",
"last_updated": "2025-06-10",
"certification_date": "2025-06-10",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "CO",
"license": "DR.0071126",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "NM",
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CO",
"license": "DR.0071126",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "KAISER COMMERCIAL NUMBER",
"identifier": "029706",
"state": "CO"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "9000222550",
"state": "CO"
}
],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
"affiliation": "N",
"endpointDescription": "Carequality",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "10350 E Dakota Ave",
"city": "Denver",
"state": "CO",
"country_code": "US",
"postal_code": "802471314",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Aurora, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 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.