Active NPI
Chirag Ambaram Chauhan, MD
- Interventional Cardiology Physician
- Boulder, CO
National Provider Identifier
1437313376
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Interventional Cardiology Physician
- License
- DR.0061243
- Practice address
- 4743 Arapahoe Ave Ste 201
Boulder, CO 80303-1128 - Phone
- (303) 442-2395
- NPI assigned
- Jul 10, 2008
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | DR.0061243 | CO | |
| Interventional Cardiology Physician | 207RI0011X | DR.0061243 | CO | Primary |
Addresses
Primary practice location
4743 Arapahoe Ave Ste 201
Boulder, CO 80303-1128
Mailing address
499 E Hampden Ave Ste 200
Englewood, CO 80113-2792
Phone (303) 705-2002
Other practice location 1
499 E Hampden Ave Ste 200
Englewood, CO 80113-2792
Phone (303) 705-2002
Other practice location 2
101 Erie Pkwy Ste 201A
Erie, CO 80516-4072
Phone (303) 442-2395
Other practice location 3
1000 W South Boulder Rd Ste 2016
Lafayette, CO 80026-2752
Phone (303) 442-2395
Other practice location 4
2101 Ken Pratt Blvd Ste 104
Longmont, CO 80501-6568
Phone (303) 442-2395
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 9000169668 | 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
- Interventional Cardiology
- Education
- University of Pittsburgh School of Medicine, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
4743 Arapahoe Ave
Suite 201
Boulder, CO 80303-1128
Phone (303) 442-2395
Hospital & facility affiliations
- Boulder Community Health
- University of Colorado Hospital Authority
- HCA-Healthone Dba Swedish Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 89.23 of 100
- Quality
- 85.48
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 73.82
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.21 of 100
- Quality
- 86.55
- Promoting interoperability
- 98
- Improvement activities
- 40
- Cost
- 78.35
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary angioplasty and stenting | 11 |
| Pacemaker insertion or repair | 1-10 |
| Leg revascularization (restoring blood flow) | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Boulder Community Health | Current | Accepting new patients | |
| Boulder Community Health | Current | Accepting new patients | |
| Boulder Community Health | Current | Accepting new patients | |
| Boulder Community Health | Past | Accepting new patients | |
| Boulder Community Health | Past | Accepting new patients |
Locations
4743 Arapahoe Ave
Ste 201
Boulder, CO 80303
4747 Arapahoe Ave
Boulder, CO 80303
Phone (303) 415-7000
1755 48th St
Ste 200
Boulder, CO 80301
Phone (303) 415-7450
101 Erie Pkwy
Ste 201A
Erie, CO 80516
1000 W South Boulder Rd
Ste 2016
Lafayette, CO 80026
1000 W South Boulder Rd
Ste 216
Lafayette, CO 80026
2101 Ken Pratt Blvd
Ste 104
Longmont, CO 80501
Phone (303) 776-1532
Interoperability endpoints
- chirag.chauhan@hca3.eclinicaldirectplus.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.
-
- General Acute Care Hospital
- Boulder, CO
- NPI 1821074196
-
- Primary Care Clinic/Center
- Erie, CO
- NPI 1669028387
-
- Primary Care Clinic/Center
- Boulder, CO
- NPI 1740837137
-
- Medical Specialty Clinic/Center
- Boulder, CO
- NPI 1407685498
-
- Multi-Specialty Clinic/Center
- Boulder, CO
- NPI 1609822030
Hospital & facility affiliations 62
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": "1215648000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758844800000",
"number": "1437313376",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "499 E HAMPDEN AVE STE 200",
"city": "ENGLEWOOD",
"state": "CO",
"postal_code": "801132792",
"telephone_number": "303-705-2002",
"fax_number": "303-954-4506"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4743 ARAPAHOE AVE STE 201",
"city": "BOULDER",
"state": "CO",
"postal_code": "803031128",
"telephone_number": "303-442-2395"
}
],
"practiceLocations": [
{
"address_1": "499 E Hampden Ave Ste 200",
"address_purpose": "LOCATION",
"city": "Englewood",
"state": "CO",
"postal_code": "801132792",
"country_code": "US",
"telephone_number": "303-705-2002",
"fax_number": "303-954-4506",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "101 Erie Pkwy Ste 201A",
"address_purpose": "LOCATION",
"city": "Erie",
"state": "CO",
"postal_code": "805164072",
"country_code": "US",
"telephone_number": "303-442-2395",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1000 W South Boulder Rd Ste 2016",
"address_purpose": "LOCATION",
"city": "Lafayette",
"state": "CO",
"postal_code": "800262752",
"country_code": "US",
"telephone_number": "303-442-2395",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2101 Ken Pratt Blvd Ste 104",
"address_purpose": "LOCATION",
"city": "Longmont",
"state": "CO",
"postal_code": "805016568",
"country_code": "US",
"telephone_number": "303-442-2395",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHAUHAN",
"first_name": "CHIRAG",
"middle_name": "AMBARAM",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2008-07-10",
"last_updated": "2025-09-26",
"certification_date": "2025-09-26",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "CO",
"license": "DR.0061243",
"primary": false
},
{
"code": "207RI0011X",
"taxonomy_group": "",
"desc": "Internal Medicine, Interventional Cardiology",
"state": "CO",
"license": "DR.0061243",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "9000169668",
"state": "CO"
}
],
"endpoints": [],
"other_names": []
}Other providers in Boulder, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 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.