Individual provider Active NPI

Leah Kellogg, MD

  • Family Medicine Physician
  • Denver, CO
National Provider Identifier
1588124408
Registry record updated Sep 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
DR.0065944 Issued in CO
Practice address
7550 W Yale Ave Ste B100
Denver, CO 80227-3460
Phone
(303) 935-4689
Fax
(303) 935-3829
NPI assigned
Mar 25, 2019
Last updated
Sep 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X DR.0065944 CO Primary

Addresses

Primary practice location

7550 W Yale Ave Ste B100
Denver, CO 80227-3460

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3253

Other identifiers 1

IdentifierTypeStateIssuer
9000173416MedicaidCO

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221003000007 CO Practitioner - Family Practice 3870823685 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Colorado School of Medicine, Denver, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

Colorado Springs, CO 80903
Phone (719) 538-2900

1625 Medical Ctr PT
Suite 290
Colorado Springs, CO 80907-8722
Phone (719) 635-5148

7550 W Yale Ave
Suite 100
Denver, CO 80227-3465
Phone (702) 480-2550

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Optumcare Colorado Medical Group LLC Current Accepting new patients
New West Physicians Inc Family Medicine CurrentSince Jun 25, 2022 Accepting new patients
Optumcare Colorado Medical Group LLC Family Medicine CurrentSince Mar 1, 2024 Accepting new patients
New West Physicians Inc Family Medicine CurrentSince Jun 25, 2022 Accepting new patients
Optumcare Colorado Medical Group LLC CurrentSince Mar 1, 2024 Accepting new patients
Optumcare Colorado Medical Group LLC Family Medicine Past Accepting new patients

Locations

7950 Kipling St
Ste 101
Arvada, CO 80005
Phone (303) 425-4680

1625 Medical Center Pt
Ste 290
Colorado Springs, CO 80907
Phone (719) 635-5148

2 S Cascade Ave
Ste 140
Colorado Springs, CO 80903
Phone (719) 538-2900

7550 W Yale Ave
Ste B100
Denver, CO 80227
Phone (303) 935-4689

1707 Cole Blvd
Ste 100
Lakewood, CO 80401
Phone (303) 716-8013

Interoperability endpoints

  • Direct secure messaging: lkellogg119374@westdirect.optum.com

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1553472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790208000000",
    "number": "1588124408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3253"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7550 W YALE AVE STE B100",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802273460",
            "telephone_number": "303-935-4689",
            "fax_number": "303-935-3829"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KELLOGG",
        "first_name": "LEAH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-25",
        "last_updated": "2026-09-24",
        "certification_date": "2026-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "DR.0065944",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9000173416",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.