Active NPI
Robert C Harmon, MD/PHD
- Gastroenterology Physician
- Montrose, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- DR.0054570
- Practice address
- 3330 S Rio Grande Ave
Montrose, CO 81401-4847 - Phone
- (970) 497-5979
- Fax
- (970) 497-5983
- NPI assigned
- May 4, 2007
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 22
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.
-
- Emergency Medicine Physician
- Montrose, CO
- NPI 1528083771
CO, Internal Medicine
-
- Gastroenterology Physician
- Colorado Springs, CO
- NPI 1023112117
CO, Gastroenterology
-
- Internal Medicine Physician
- Salida, CO
- NPI 1972778272
CO, Internal Medicine
-
- Family Medicine Physician
- Trinidad, CO
- NPI 1467400309
CO, Internal Medicine
-
- Diagnostic Radiology Physician
- Montrose, CO
- NPI 1437997947
-
- General Acute Care Hospital
- Montrose, CO
- NPI 1205822186
-
- Rehabilitation Hospital Unit
- Montrose, CO
- NPI 1477741999
-
- Physiological Laboratory
- Montrose, CO
- NPI 1952172165
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Durango, CO
- NPI 1083611644
Hospital
-
- General Acute Care Hospital
- Durango, CO
- NPI 1588204010
Hospital
-
- General Acute Care Hospital
- Durango, CO
- NPI 1679113104
Hospital
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- JC Edwards School of Medicine, Marshall University, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Montrose Memorial Hospital, Inc
Practice addresses (Care Compare)
3330 S Rio Grande Ave
Montrose Regional Health Radiology Suite 20
Montrose, CO 81401-4839
Phone (970) 497-5976
Hospital & facility affiliations
- Montrose Regional Health
- Mercy Regional Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 97 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 258 |
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20150302000266 | CO | Practitioner - Gastroenterology | 8527236009 | Reassigns benefits to 8 organizations |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23219 | WV | MD | Internal Medicine Physician |
| 0116017619 | VA | MD | Hepatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Salida Hospital District | Current | Accepting new patients | |
| Poudre Valley Medical Group, LLC | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Trinidad Area Health Association | Current | Accepting new patients | |
| Salida Hospital District | Current | Accepting new patients | |
| Salida Hospital District | Internal Medicine | Current | Accepting new patients |
| Montrose Memorial Hospital, Inc | Current | Accepting new patients | |
| Montrose Memorial Hospital, Inc | Current | Accepting new patients | |
| Montrose Memorial Hospital, Inc | Internal Medicine | Current | Accepting new patients |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Trinidad Area Health Association | Internal Medicine | Current | Accepting new patients |
| Trinidad Area Health Association | Current | Accepting new patients | |
| Peak Gastroenterology Associates | Gastroenterology | Current | Accepting new patients |
| Poudre Valley Medical Group, LLC | Current | Accepting new patients | |
| Mountain View Cardiology PC | Past | Accepting new patients |
Locations
4404 Barranca Ln
Castle Rock, CO 80104
Phone (720) 733-5260
2920 N Cascade Ave
Fl 3
Colorado Springs, CO 80907
Phone (719) 495-6372
2222 N Nevada Ave
Ste 5001
Colorado Springs, CO 80907
Phone (719) 776-3580
2920 N Cascade Ave
#P
Colorado Springs, CO 80907
8890 N Union Blvd
Colorado Springs, CO 80920
Phone (719) 364-5633
2920 N Cascade Ave
Ste 300
Colorado Springs, CO 80907
4050 Briargate Pkwy
Ste A2115
Colorado Springs, CO 80920
Phone (719) 365-5543
1400 E Boulder St
Ste 1722
Colorado Springs, CO 80909
Phone (719) 364-3640
711 N Taylor St
Ste 200
Gunnison, CO 81230
Phone (970) 240-1020
7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650
2030 Mountain View Ave
Ste 310
Longmont, CO 80501
Phone (303) 772-6244
3330 S Rio Grande Ave
Ste 200
Montrose, CO 81401
Phone (970) 249-6737
800 S 3rd St
Montrose, CO 81401
Phone (970) 240-2211
3330 S Rio Grande Ave
Montrose, CO 81401
Phone (970) 240-7314
3330 S Rio Grande Ave
Ste 410
Montrose, CO 81401
Phone (970) 497-5975
550 W US Highway 50
Salida, CO 81201
Phone (719) 530-2014
1000 Rush Dr
Salida, CO 81201
Phone (719) 530-2265
410 Benedicta Ave
Trinidad, CO 81082
Phone (719) 846-8051
16222 W US Highway 24
Ste 210
Woodland Park, CO 80863
Phone (719) 686-2832
Specialties & licenses 4
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | DR.0054570 | CO | Primary |
| Gastroenterology Physician | 207RG0100X | 0116017619 | VA | |
| Internal Medicine Physician | 207R00000X | 23219 | WV | |
| Hepatology Physician | 207RI0008X | 0116017619 | VA |
Addresses
NPPES NPI RegistryPrimary practice location
3330 S Rio Grande Ave
Montrose, CO 81401-4847
Mailing address
2920 N Cascade Ave FL 3
Colorado Springs, CO 80907-6262
Phone (719) 636-1201
Other practice location 1
2920 N Cascade Ave
3rd Floor
Colorado Springs, CO 80907-6262
Phone (719) 636-1201
Other practice location 2
1501 E 3rd St
Delta, CO 81416-2815
Phone (970) 874-7681
Other identifiers 1
NPPES NPI Registry| Identifier | Type | State | Issuer |
|---|---|---|---|
| 29105811 | Medicaid | CO |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jun 5, 2026.
{
"created_epoch": "1178236800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780617600000",
"number": "1669684643",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2920 N CASCADE AVE FL 3",
"city": "COLORADO SPRINGS",
"state": "CO",
"postal_code": "809076262",
"telephone_number": "719-636-1201",
"fax_number": "719-955-0986"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3330 S RIO GRANDE AVE",
"city": "MONTROSE",
"state": "CO",
"postal_code": "814014847",
"telephone_number": "970-497-5979",
"fax_number": "970-497-5983"
}
],
"practiceLocations": [
{
"address_1": "2920 N Cascade Ave",
"address_2": "3rd Floor",
"address_purpose": "LOCATION",
"city": "Colorado Springs",
"state": "CO",
"postal_code": "809076262",
"country_code": "US",
"telephone_number": "719-636-1201",
"fax_number": "719-636-1326",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1501 E 3rd St",
"address_purpose": "LOCATION",
"city": "Delta",
"state": "CO",
"postal_code": "814162815",
"country_code": "US",
"telephone_number": "970-874-7681",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HARMON",
"first_name": "ROBERT",
"middle_name": "C",
"credential": "MD/PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-05-04",
"last_updated": "2026-06-05",
"certification_date": "2026-06-05",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CO",
"license": "DR.0054570",
"primary": true
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "VA",
"license": "0116017619",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WV",
"license": "23219",
"primary": false
},
{
"code": "207RI0008X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hepatology",
"state": "VA",
"license": "0116017619",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "29105811",
"state": "CO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Montrose, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 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.