Deborah L Tozer, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

DR.0043520 Issued in CO

Practice address

9397 Crown Crest Blvd
Suite 320
Parker, CO 80138-8575

Phone

(303) 766-0197

Fax

(303) 766-0187

NPI assigned

Jan 30, 2007

Last updated

Mar 30, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Obstetrics/Gynecology

Education

Indiana University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Catholic Health Initiatives ColoradoGroup PAC ID 8022927342, 1,230 clinicians

Gunnison Valley HospitalGroup PAC ID 8426040486, 81 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Gunnison Valley Hospital Hospital, Gunnison, CO, CCN 061320

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: deborah.tozer.1@11629.direct.athenahealth.com
• Direct secure messaging: deborah.tozer.2@11629.direct.athenahealth.com

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.

• Gunnison Valley Hospital

  • Critical Access Hospital
  • Gunnison, CO
  • NPI 1932109048
  Medicare reassignment Care Compare group NPD
• Catholic Health Initiatives Colorado

  dba Ctsa Cardiac Thor Surg

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Colorado Springs, CO
  • NPI 1356783351
  Medicare reassignment Care Compare group
• OB-GYN Affiliates

  • Obstetrics & Gynecology Physician
  • Littleton, CO
  • NPI 1134185721
  Medicare reassignment NPD
• Obstetrix Medical Group of Colorado P C

  dba Pediatrix Obstetrix Medical Group of Colorado

  • Neonatal-Perinatal Medicine Physician
  • Denver, CO
  • NPI 1700983103
  Medicare reassignment NPD
• Gunnison Valley Hospital

  dba Gunnison Valley Urgent Care Center

  • Urgent Care Clinic/Center
  • Gunnison, CO
  • NPI 1477361228
  NPD
• Obstetrix Medical Group of Colorado P C

  dba Rocky Mountain Pediatric Cardiology

  • Pediatric Cardiology Physician
  • Denver, CO
  • NPI 1497779276
  NPD
• Gunnison Valley Hospital

  dba Gunnison Valley Health Mountain Clinic

  • Urgent Care Clinic/Center
  • Crested Butte, CO
  • NPI 1134754153
  NPD (past)
• Gunnison Valley Hospital

  dba Gunnison Valley Hospital Ambulance

  • Ambulance
  • Gunnison, CO
  • NPI 1336684315
  NPD (past)
• Gunnison Valley Hospital

  dba Gunnison Valley Health Women's Clinic

  • Obstetrics & Gynecology Physician
  • Gunnison, CO
  • NPI 1407558349
  NPD (past)
• Gunnison Valley Hospital

  dba Gunnison Valley Behavioral Health

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Gunnison, CO
  • NPI 1518735711
  NPD (past)
• Gunnison Valley Hospital

  dba Gunnison Valley Hospital ENT

  • Otolaryngology Physician
  • Gunnison, CO
  • NPI 1568294809
  NPD (past)
• Gunnison Valley Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Gunnison, CO
  • NPI 1689023871
  NPD (past)

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

• Gunnison Valley Hospital

  dba Gunnison Valley Health Mountain Clinic

  • Urgent Care Clinic/Center
  • Crested Butte, CO
  • NPI 1134754153

  Hospital

  Care Compare affiliation
• Gunnison Valley Hospital

  • Critical Access Hospital
  • Gunnison, CO
  • NPI 1932109048
  Care Compare affiliation

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

{
    "created_epoch": "1170115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1881731040",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9397 CROWN CREST BLVD",
            "address_2": "SUITE 320",
            "city": "PARKER",
            "state": "CO",
            "postal_code": "801388575",
            "telephone_number": "303-766-0197",
            "fax_number": "303-766-0187"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9397 CROWN CREST BLVD",
            "address_2": "SUITE 320",
            "city": "PARKER",
            "state": "CO",
            "postal_code": "801388575",
            "telephone_number": "303-766-0197",
            "fax_number": "303-766-0187"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2030 Mountain View Ave Ste 400",
            "address_purpose": "LOCATION",
            "city": "Longmont",
            "state": "CO",
            "postal_code": "805013182",
            "country_code": "US",
            "telephone_number": "720-652-8730",
            "fax_number": "720-652-8729",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TOZER",
        "first_name": "DEBORAH",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-30",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CO",
            "license": "DR.0043520",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "91825261",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Obstetrics & Gynecology Physician in Parker, CO
• Providers in Parker, CO by specialty
• Obstetrics & Gynecology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.

Verify at the official NPI Registry.