Active NPI
Elizabeth Tamaren
- Surgical Physician Assistant
- Boulder, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Physician Assistant
- License
- PA.0007125
- Practice address
- 4743 Arapahoe Ave Ste 202
Boulder, CO 80303-1128 - Phone
- (303) 938-5700
- Fax
- (303) 998-0007
- NPI assigned
- Sep 2, 2021
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | |||
| Surgical Physician Assistant | 363AS0400X | PA.0007125 | CO | Primary |
Addresses
Primary practice location
4743 Arapahoe Ave Ste 202
Boulder, CO 80303-1128
Mailing address
3310 Folsom St
Boulder, CO 80304-2404
Phone (314) 324-9881
Other practice location 1
4743 Arapahoe Ave Ste 100
Boulder, CO 80303-1123
Phone (303) 443-2123
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 9000200340 | 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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1755 48TH St
Suite 200
Boulder, CO 80301-2712
Phone (303) 415-7450
4743 Arapahoe Ave
Boulder, CO 80303-1128
4743 Arapahoe Ave
Suite 100
Boulder, CO 80303-1123
Phone (303) 443-2123
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
- Physician Assistant
Practice roles
| Organization | Specialty | Status | 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
1755 48th St
Ste 200
Boulder, CO 80301
Phone (303) 415-7450
4743 Arapahoe Ave
Ste 202
Boulder, CO 80303
Phone (303) 938-5700
5450 Western Ave
Boulder, CO 80301
Phone (303) 415-4770
4743 Arapahoe Ave
Ste 100
Boulder, CO 80303
Phone (303) 415-4599
101 Erie Pkwy
Ste 201G
Erie, CO 80516
Phone (303) 415-4599
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
-
- Medical Specialty Clinic/Center
- Boulder, CO
- NPI 1710534292
-
- 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 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": "1630540800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753315200000",
"number": "1104594183",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3310 FOLSOM ST",
"city": "BOULDER",
"state": "CO",
"postal_code": "803042404",
"telephone_number": "314-324-9881"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4743 ARAPAHOE AVE STE 202",
"city": "BOULDER",
"state": "CO",
"postal_code": "803031128",
"telephone_number": "303-938-5700",
"fax_number": "303-998-0007"
}
],
"practiceLocations": [
{
"address_1": "4743 Arapahoe Ave Ste 100",
"address_purpose": "LOCATION",
"city": "Boulder",
"state": "CO",
"postal_code": "803031123",
"country_code": "US",
"telephone_number": "303-443-2123",
"fax_number": "303-443-9497",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TAMAREN",
"first_name": "ELIZABETH",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-09-02",
"last_updated": "2025-07-24",
"certification_date": "2025-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": false
},
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "CO",
"license": "PA.0007125",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "9000200340",
"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 Jul 24, 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.