Active NPI
Daus Mahnke, M.D.
- Gastroenterology Physician
- Lafayette, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 43321
- Practice address
- 1000 W South Boulder Rd
Suite 200
Lafayette, CO 80026-2752 - Phone
- (303) 604-5000
- Fax
- (720) 890-0364
- NPI assigned
- Jul 7, 2006
- 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 |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 43321 | CO | Primary |
Addresses
Primary practice location
1000 W South Boulder Rd
Suite 200
Lafayette, CO 80026-2752
Mailing address
382 S Arthur Ave
Louisville, CO 80027-3094
Phone (303) 604-5000
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| MA673447 | Other | CO | BCBS |
| 05985528 | 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
- Gastroenterology
- Education
- Vanderbilt University School of Medicine, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
11900 Grant St
Suite 360
Northglenn, CO 80233-1117
Phone (303) 604-5000
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 167 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 142 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 43321 | CO | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northglenn Endoscopy Center LLC | Current | Accepting new patients | |
| Boulder Valley Gastroenterology Inc. | Gastroenterology | Current | Accepting new patients |
| Boulder Valley Gastroenterology Inc. | Gastroenterology | Current | Accepting new patients |
| Boulder Valley Gastroenterology Inc. | Gastroenterology | Current | Accepting new patients |
| Denver West Endoscopy Center, LLC | Current | Accepting new patients |
Locations
1755 48th St
Ste 100
Boulder, CO 80301
Phone (720) 932-7714
1755 48th St
Boulder, CO 80301
Phone (303) 494-5263
16677 Lowell Blvd
Ste 200
Broomfield, CO 80023
16677 Lowell Blvd
Broomfield, CO 80023
Phone (303) 415-4045
1960 N Ogden St
Denver, CO 80218
Phone (303) 318-2500
1830 N Franklin St
Ste 220
Denver, CO 80218
1960 N Ogden St
Ste 210
Denver, CO 80218
Phone (303) 832-9277
1000 W South Boulder Rd
Ste 200
Lafayette, CO 80026
Phone (303) 604-4664
13952 Denver West Pkwy
Ste 100
Lakewood, CO 80401
Phone (303) 271-1112
13952 Denver West Pkwy
Lakewood, CO 80401
Phone (303) 271-1112
1551 Professional Ln
Longmont, CO 80501
Phone (303) 776-7582
1551 Professional Ln
Unit 290
Longmont, CO 80501
382 S Arthur Ave
Unit 100
Louisville, CO 80027
382 S Arthur Ave
Louisville, CO 80027
11900 Grant St
Northglenn, CO 80233
Phone (303) 812-5095
11900 Grant St
Ste 360
Northglenn, CO 80233
Phone (817) 306-5630
Interoperability endpoints
- d.mahnke@gastrorockies.directbygreenway.com
Organizations & group practices 5
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.
-
- Gastroenterology Physician
- Lafayette, CO
- NPI 1902832603
-
- Gastroenterology Physician
- Northglenn, CO
- NPI 1043806276
-
- Gastroenterology Physician
- Lakewood, CO
- NPI 1780270918
-
- Ambulatory Surgical Clinic/Center
- Lakewood, CO
- NPI 1629320742
-
- Ambulatory Surgical Clinic/Center
- Northglenn, CO
- NPI 1962958223
Hospital & facility affiliations 35
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Sleep Disorder Diagnostic Clinic/Center
- Boulder, CO
- NPI 1093357907
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152230400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1744675200000",
"number": "1306878566",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "382 S ARTHUR AVE",
"city": "LOUISVILLE",
"state": "CO",
"postal_code": "800273094",
"telephone_number": "303-604-5000",
"fax_number": "720-890-0364"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1000 W SOUTH BOULDER RD",
"address_2": "SUITE 200",
"city": "LAFAYETTE",
"state": "CO",
"postal_code": "800262752",
"telephone_number": "303-604-5000",
"fax_number": "720-890-0364"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAHNKE",
"first_name": "DAUS",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-07",
"last_updated": "2025-04-15",
"certification_date": "2025-04-15",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CO",
"license": "43321",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "MA673447",
"state": "CO"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "05985528",
"state": "CO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Lafayette, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.