Active NPI
Alfred Nathan Carr, MD
- Otolaryngology/Facial Plastic Surgery Physician
- Longmont, CO
National Provider Identifier
1285745695
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Otolaryngology/Facial Plastic Surgery Physician
- License
- 15802
- Practice address
- 1750 Mountain View Ave
Longmont, CO 80501-3211 - Phone
- (303) 772-3204
- NPI assigned
- Aug 31, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Otolaryngology/Facial Plastic Surgery Physician | 207YX0905X | 15802 | CO | Primary |
Addresses
Primary practice location
1750 Mountain View Ave
Longmont, CO 80501-3211
Mailing address
1750 Mountain View Ave
Longmont, CO 80501-3211
Phone (303) 772-3204
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 |
|---|---|---|---|---|
| I20050831000869 | CO | Practitioner - Otolaryngology | 5294767075 | Practice locations: Longmont, CO |
Care Compare profile
Medicare Care Compare- Specialty
- Otolaryngology
- Education
- University of Colorado School of Medicine, Denver, 1967
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
1750 Mountain View Ave
Longmont, CO 80501-3211
Phone (303) 772-3204
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 0 of 100
- Quality
- 0
- Improvement activities
- 0
- Cost
- 0
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 15802 | CO | MD | Otolaryngology/Facial Plastic Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Alfred N Carr MD | Otolaryngology/Facial Plastic Surgery | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Otolaryngology/Facial Plastic Surgery Physician
- Longmont, CO
- NPI 1619155538
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": "1156982400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779148800000",
"number": "1285745695",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1750 MOUNTAIN VIEW AVE",
"city": "LONGMONT",
"state": "CO",
"postal_code": "805013211",
"telephone_number": "303-772-3204",
"fax_number": "303-772-7043"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1750 MOUNTAIN VIEW AVE",
"city": "LONGMONT",
"state": "CO",
"postal_code": "805013211",
"telephone_number": "303-772-3204"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CARR",
"first_name": "ALFRED",
"middle_name": "NATHAN",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-08-31",
"last_updated": "2026-05-19",
"certification_date": "2026-05-19",
"status": "A"
},
"taxonomies": [
{
"code": "207YX0905X",
"taxonomy_group": "",
"desc": "Otolaryngology, Otolaryngology/Facial Plastic Surgery",
"state": "CO",
"license": "15802",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Longmont, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 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.