Active NPI
Martin D Hannemann, M.D.
- Family Medicine Physician
- Aurora, CO
National Provider Identifier
1750382263
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 18003
- Practice address
- 1550 S Potomac St
Ste. 370
Aurora, CO 80012-5455 - Phone
- (303) 369-1080
- Fax
- (303) 750-4913
- NPI assigned
- Aug 9, 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 18003 | CO | Primary |
Addresses
Primary practice location
1550 S Potomac St
Ste. 370
Aurora, CO 80012-5455
Mailing address
1550 S Potomac St
Ste. 370
Aurora, CO 80012-5455
Phone (303) 369-1080
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 84087252103 | Other | CO | PACIFICARE/SECURE HORIZON |
| 31663 | Other | CO | ANTHEM BLUE CROSS |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 18003 | CO | MD | Family Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1123545600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1750382263",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1550 S POTOMAC ST",
"address_2": "STE. 370",
"city": "AURORA",
"state": "CO",
"postal_code": "800125455",
"telephone_number": "303-369-1080",
"fax_number": "303-750-4913"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1550 S POTOMAC ST",
"address_2": "STE. 370",
"city": "AURORA",
"state": "CO",
"postal_code": "800125455",
"telephone_number": "303-369-1080",
"fax_number": "303-750-4913"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HANNEMANN",
"first_name": "MARTIN",
"middle_name": "D",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-08-09",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CO",
"license": "18003",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PACIFICARE/SECURE HORIZON",
"identifier": "84087252103",
"state": "CO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM BLUE CROSS",
"identifier": "31663",
"state": "CO"
}
],
"endpoints": [],
"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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.