Active NPI
Aaron Joseph Burrows, MD
- Gastroenterology Physician
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 44081
- Practice address
- 4545 E 9TH Ave Ste 440
Denver, CO 80220-3914 - Phone
- (303) 320-1111
- Fax
- (303) 320-7883
- NPI assigned
- May 8, 2006
- Last updated
- Oct 12, 2026
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 44081 | CO | Primary |
| Gastroenterology Physician | 207RG0100X | 247696 | TN |
Addresses
Primary practice location
4545 E 9TH Ave Ste 440
Denver, CO 80220-3914
Mailing address
4545 E 9TH Ave Ste 440
Denver, CO 80220-3914
Phone (303) 320-1111
Other practice location 1
130 W Ravine Rd
Kingsport, TN 37660-3837
Phone (423) 224-4000
Other practice location 2
1 Medical Park Blvd
Bristol, TN 37620-7430
Phone (423) 844-1121
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO, NV, IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- University of Massachusetts Medical School, 1999
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
3245 Health Dr
Suite 100
Granger, IN 46530-1380
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 31 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 46 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 44081 | CO | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Carson Tahoe Physician Clinics | Current | Accepting new patients | |
| Valley View Hospital Association | Current | Accepting new patients | |
| Carson Tahoe Regional Healthcare | Current | Accepting new patients | |
| CTH Physicians Clinic | Current | Accepting new patients | |
| Valley View Hospital Association | Current | Accepting new patients | |
| Beacon Medical Group Inc | Current | Accepting new patients | |
| Valley View Hospital Association | Current | Accepting new patients | |
| Carson Tahoe Regional Healthcare | Current | Accepting new patients | |
| Beacon Medical Group, Inc. | Gastroenterology | Current | Accepting new patients |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| TJH Medical Services, P.C. | Past | Accepting new patients | |
| Colorado Gastroenterology Prof LLC | Gastroenterology | Past | Accepting new patients |
| Denver Digestive Health Specialists Inc | Gastroenterology | Past | Accepting new patients |
| Beacon Medical Group, Inc. | Past | Accepting new patients |
Locations
2535 S Downing St
Ste 380
Denver, CO 80210
Phone (303) 260-2740
1830 Blake Ave
Ste 207
Glenwood Springs, CO 81601
Phone (602) 387-4035
1906 Blake Ave
Glenwood Springs, CO 81601
Phone (970) 384-7033
7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650
500 Arcade Ave
Ste 300
Elkhart, IN 46514
Phone (574) 296-9100
6913 N Main St
Granger, IN 46530
Phone (574) 647-1500
1470 Medical Pkwy
Ste 280
Carson City, NV 89703
Phone (316) 655-6989
1600 Medical Pkwy
Carson City, NV 89703
Phone (775) 220-9149
2874 N Carson St
Ste 200
Carson City, NV 89706
Phone (775) 283-3220
901 Medical Center Dr
Ste 203
Dayton, NV 89403
Phone (775) 445-7630
10539 Professional Cir
Ste 200
Reno, NV 89521
Phone (775) 445-7026
Organizations & group practices 19
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Internal Medicine Physician
- Carson City, NV
- NPI 1023265717
-
- General Acute Care Hospital
- Carson City, NV
- NPI 1255360160
-
- Internal Medicine Physician
- Carson City, NV
- NPI 1306533732
-
dba The Spine Center at Valley View
- Neurological Surgery Physician
- Aspen, CO
- NPI 1376134841
-
dba Beacon Medical Group Schwartz - Wiekamp
- Family Medicine Physician
- Mishawaka, IN
- NPI 1033161617
-
dba Summit Gastroenterology
- Gastroenterology Physician
- Denver, CO
- NPI 1669653242
-
dba Affiliated Ear, Nose & Throat Physicians
- Otolaryngology Physician
- Greenwood Village, CO
- NPI 1760761928
-
dba Sdca Littleton Clinic
- Cardiovascular Disease Physician
- Littleton, CO
- NPI 1861782476
-
dba AdventHealth Medical Group Urology at Lakewood
- Urology Physician
- Lakewood, CO
- NPI 1942165626
-
dba Women's Health
- Obstetrics & Gynecology Physician
- Eagle, CO
- NPI 1124663927
-
dba The Heart and Vascular Center
- Cardiovascular Disease Physician
- Glenwood Springs, CO
- NPI 1437271285
-
dba Palliative Care
- Hospice and Palliative Medicine (Internal Medicine) Physician
- Carbondale, CO
- NPI 1457235202
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba St. Anthony North Hospital
- General Acute Care Hospital
- Westminster, CO
- NPI 1619985942
-
dba 84th Avenue Imaging Center
- General Acute Care Hospital
- Westminster, CO
- NPI 1013557545
-
dba 84th Avenue Emergency/Urgent Care
- Emergency Care Clinic/Center
- Westminster, CO
- NPI 1093355604
Hospital
-
- General Acute Care Hospital
- Westminster, CO
- NPI 1568002095
-
- General Acute Care Hospital
- Westminster, CO
- NPI 1831739440
-
- General Acute Care Hospital
- Westminster, CO
- NPI 1912547449
-
- General Acute Care Hospital
- Elkhart, IN
- NPI 1477551489
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147046400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1791763200000",
"number": "1366491367",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4545 E 9TH AVE STE 440",
"city": "DENVER",
"state": "CO",
"postal_code": "802203914",
"telephone_number": "303-320-1111",
"fax_number": "303-320-7883"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4545 E 9TH AVE STE 440",
"city": "DENVER",
"state": "CO",
"postal_code": "802203914",
"telephone_number": "303-320-1111",
"fax_number": "303-320-7883"
}
],
"practiceLocations": [
{
"address_1": "130 W Ravine Rd",
"address_purpose": "LOCATION",
"city": "Kingsport",
"state": "TN",
"postal_code": "376603837",
"country_code": "US",
"telephone_number": "423-224-4000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Medical Park Blvd",
"address_purpose": "LOCATION",
"city": "Bristol",
"state": "TN",
"postal_code": "376207430",
"country_code": "US",
"telephone_number": "423-844-1121",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BURROWS",
"first_name": "AARON",
"middle_name": "JOSEPH",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-08",
"last_updated": "2026-10-12",
"certification_date": "2026-10-12",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CO",
"license": "44081",
"primary": true
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "TN",
"license": "247696",
"primary": false
}
],
"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 Oct 12, 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.