Active NPI
Jonathan Reid Sprague, MD
- Internal Medicine Physician
- Boulder, CO
National Provider Identifier
1164748299
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- DR.0052120
- Practice address
- 4747 Arapahoe Ave
Boulder, CO 80303-1131 - Phone
- (303) 415-7610
- Fax
- (303) 415-7618
- NPI assigned
- Apr 14, 2010
- 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 |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | DR.0052120 | CO | |
| Internal Medicine Physician | 207R00000X | DR.0052120 | CO | Primary |
Addresses
Primary practice location
4747 Arapahoe Ave
Boulder, CO 80303-1131
Mailing address
PO Box 9049
Boulder, CO 80301-9049
Phone (303) 415-4101
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 35222271 | 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
- Internal Medicine
- Education
- University of Colorado School of Medicine, Denver, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
4747 Arapahoe Ave
Boulder, CO 80303-1131
Phone (303) 415-7610
Hospital & facility affiliations
- Boulder Community Health
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 |
Locations
4747 Arapahoe Ave
Boulder, CO 80303
Phone (303) 415-7000
1100 Balsam Ave
Boulder, CO 80304
Phone (303) 415-7000
5450 Western Ave
Ste B
Boulder, CO 80301
1755 48th St
Ste 200
Boulder, CO 80301
Phone (303) 415-7450
Organizations & group practices 4
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
-
- Multi-Specialty Clinic/Center
- Boulder, CO
- NPI 1609822030
-
- Primary Care Clinic/Center
- Boulder, CO
- NPI 1740837137
-
- Medical Specialty Clinic/Center
- Boulder, CO
- NPI 1407685498
Hospital & facility affiliations 34
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": "1271203200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771286400000",
"number": "1164748299",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 9049",
"city": "BOULDER",
"state": "CO",
"postal_code": "803019049",
"telephone_number": "303-415-4101",
"fax_number": "303-415-4769"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4747 ARAPAHOE AVE",
"city": "BOULDER",
"state": "CO",
"postal_code": "803031131",
"telephone_number": "303-415-7610",
"fax_number": "303-415-7618"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SPRAGUE",
"first_name": "JONATHAN",
"middle_name": "REID",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2010-04-14",
"last_updated": "2026-02-17",
"certification_date": "2026-02-17",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "CO",
"license": "DR.0052120",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CO",
"license": "DR.0052120",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "35222271",
"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 Feb 17, 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.