NPIMap

Individual provider Active NPI

Elizabeth L Sommerfeld, DO

  • Family Medicine Physician
  • Timnath, CO
National Provider Identifier
1144740705
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
DR.006820 Issued in CO
Practice address
4650 Signal Tree Dr Unit B200
Timnath, CO 80547-4911
Phone
(970) 810-3150
NPI assigned
Jun 26, 2017
Last updated
Jan 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X OT018125 PA
Family Medicine Physician 207Q00000X DR.006820 CO Primary

Addresses

Primary practice location

4650 Signal Tree Dr Unit B200
Timnath, CO 80547-4911

Mailing address

4650 Signal Tree Dr Unit B200
Timnath, CO 80547-4911

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200810001031 CO Practitioner - Family Practice 3072876077 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1801 16TH St
Greeley, CO 80631-5154
Phone (970) 810-4121

5451 E Harmony Rd
BLDG 2
Timnath, CO 80547-2412
Phone (970) 821-3830

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
DR.006820COMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Banner Health Physicians Colorado LLC Current Accepting new patients
Banner Health Physicians Colorado LLC CurrentSince Sep 1, 2020 Accepting new patients
Banner Health Physicians Colorado LLC CurrentSince Sep 1, 2020 Accepting new patients

Locations

1801 16th St
Greeley, CO 80631
Phone (970) 352-4121

1801 16th St
Ste C2B
Greeley, CO 80631
Phone (970) 810-4121

4650 Signal Tree Dr
Unit B200
Timnath, CO 80547
Phone (970) 810-3150

1300 Main St
Windsor, CO 80550
Phone (970) 686-5645

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 17

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 17

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1498435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1144740705",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4650 SIGNAL TREE DR UNIT B200",
            "city": "TIMNATH",
            "state": "CO",
            "postal_code": "805474911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4650 SIGNAL TREE DR UNIT B200",
            "city": "TIMNATH",
            "state": "CO",
            "postal_code": "805474911",
            "telephone_number": "970-810-3150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SOMMERFELD",
        "first_name": "ELIZABETH",
        "middle_name": "L",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-26",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "OT018125",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "DR.006820",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Timnath, CO

Sources for this page

Verify at the official NPI Registry.