Individual provider Active NPI

Tracy Lyon, MD

  • Obstetrics & Gynecology Physician
  • Littleton, CO
National Provider Identifier
1548686751
Registry record updated Nov 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
CDR.2300 Issued in CO
Practice address
7700 S Broadway
Littleton, CO 80122-2602
Phone
(303) 730-5830
Fax
(303) 734-3933
NPI assigned
Mar 12, 2014
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 4, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X CDR.2300 CO Primary

Addresses

Primary practice location

7700 S Broadway
Littleton, CO 80122-2602

Mailing address

7700 S Broadway
Littleton, CO 80122-2602
Phone (303) 730-5830

Other practice location 1

315 N San Saba Ste 1210
San Antonio, TX 78207-3123
Phone (210) 704-4172

Other practice location 2

1055 N Curtis Rd
Boise, ID 83706-1309
Phone (208) 367-4555

Other identifiers 1

IdentifierTypeStateIssuer
336954803MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CO2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20140710000563 TX Practitioner - Obstetrics/Gynecology 6002031820 Reassigns benefits to 1 organization
I20250506001837 CO Practitioner - Obstetrics/Gynecology 6002031820 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Baylor College of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Portercare Adventist Health SystemGroup PAC ID 0941110886, 770 clinicians
Questcare Obstetrics Colorado LLCGroup PAC ID 3072759133, 4 clinicians

Practice addresses (Care Compare)

2535 S Downing St
Denver, CO 80210-5850
Phone (303) 778-5797

7700 S Broadway
Littleton, CO 80122-2602
Phone (303) 730-8900

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
CDR.2300COMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Questcare Obstetrics Colorado LLC Obstetrics & Gynecology CurrentSince Apr 1, 2025 Accepting new patients
Portercare Adventist Health System Current Accepting new patients
Questcare Obstetrics Colorado LLC Obstetrics & Gynecology Current Accepting new patients
Christus Trinity Clinic Texas CurrentSince Jan 1, 2022 Accepting new patients
Portercare Adventist Health System CurrentSince Oct 6, 2025 Accepting new patients
Questcare Obstetrics Colorado LLC CurrentSince Apr 1, 2025 Accepting new patients
Christus Trinity Clinic Texas Obstetrics & Gynecology CurrentSince Jan 1, 2022 Accepting new patients
Portercare Adventist Health System CurrentSince Oct 6, 2025 Accepting new patients
BHS Specialty Network Inc Past Accepting new patients
Wellmed Medical Group, PA Past Accepting new patients

Locations

2350 Meadows Blvd
Castle Rock, CO 80109
Phone (720) 248-3413

6001 E Woodmen Rd
Colorado Springs, CO 80923
Phone (719) 571-1000

4567 E 9th Ave
Denver, CO 80220
Phone (303) 302-2121

7700 S Broadway
Littleton, CO 80122
Phone (303) 269-4786

9395 Crown Crest Blvd
Parker, CO 80138
Phone (303) 269-4000

315 N San Saba
Ste 960
San Antonio, TX 78207
Phone (210) 223-9888

315 N San Saba
Ste 1210
San Antonio, TX 78207
Phone (210) 354-0877

11345 Alamo Ranch Pkwy
Ste 203
San Antonio, TX 78253
Phone (210) 705-5151

630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888

Interoperability endpoints

  • Direct secure messaging: tlyon3841619@adventhealth.direct-ci.com

Organizations & group practices 10

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.

NPI Registry JSON

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

{
    "created_epoch": "1394582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1548686751",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7700 S BROADWAY",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801222602",
            "telephone_number": "303-730-5830",
            "fax_number": "303-734-3933"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7700 S BROADWAY",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801222602",
            "telephone_number": "303-730-5830",
            "fax_number": "303-734-3933"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "315 N San Saba Ste 1210",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782073123",
            "country_code": "US",
            "telephone_number": "210-704-4172",
            "fax_number": "210-704-4723",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1055 N Curtis Rd",
            "address_purpose": "LOCATION",
            "city": "Boise",
            "state": "ID",
            "postal_code": "837061309",
            "country_code": "US",
            "telephone_number": "208-367-4555",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYON",
        "first_name": "TRACY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-03-12",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CO",
            "license": "CDR.2300",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "336954803",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Littleton, CO

Sources for this page

Verify at the official NPI Registry.