Marie Klish Weeks, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

DR.0044401 Issued in CO

Practice address

22 W Dry Creek Cir
Littleton, CO 80120-4413

Phone

(303) 730-4700

Fax

(303) 930-8053

NPI assigned

Feb 6, 2006

Last updated

Feb 19, 2025By 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

Radiation Oncology

Education

University of North Carolina at Chapel Hill School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rocky Mountain Cancer Centers LLPGroup PAC ID 7012820533, 131 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sky Ridge Medical Center Hospital, Lone Tree, CO, CCN 060112

Merit-based Incentive Payment System (MIPS)

Final score

73.32 of 100Reported as apm

Quality

59.88

Promoting interoperability

72.04

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Rocky Mountain Cancer Centers LLP

  • Hematology & Oncology Physician
  • Greenwood Village, CO
  • NPI 1518941186

  Radiation Oncology

  Medicare reassignment Care Compare group NPD
• Longmont United Hospital

  • General Acute Care Hospital
  • Longmont, CO
  • NPI 1366465866
  Medicare reassignment NPD
• Catholic Health Initiatives Colorado

  dba Ctsa Cardiac Thor Surg

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Colorado Springs, CO
  • NPI 1356783351
  NPD
• Catholic Health Initiatives Colorado

  dba Luh Hope Cancer Care

  • Radiation Oncology Physician
  • Longmont, CO
  • NPI 1609593110
  NPD
• Catholic Health Initiatives Colorado

  dba CommonSpirit Orthopedics Longmont

  • Orthopaedic Surgery Physician
  • Longmont, CO
  • NPI 1891675294
  NPD
• Rocky Mountain Cancer Centers LLP

  dba Rocky Mountain Cancer Centers, A Professional LLP

  • Radiation Oncology Physician
  • Greenwood Village, CO
  • NPI 1861539538
  NPD
• Rocky Mountain Cancer Centers, LLP

  dba Rocky Mountain Cancer Centers-RMCC Longmont

  • Hematology & Oncology Physician
  • Longmont, CO
  • NPI 1538762760
  NPD
• Centennial Radiation Oncology, P.C.

  • Radiation Oncology Physician
  • Lafayette, CO
  • NPI 1942278361
  NPD (past)
• Poudre Valley Radiation Oncology LLC

  • Radiation Oncology Physician
  • Fort Collins, CO
  • NPI 1538137955
  NPD (past)

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

• HCA Healthone LLC

  dba HCA HealthONE Sky Ridge Hospital

  • General Acute Care Hospital
  • Lone Tree, CO
  • NPI 1659325629
  Care Compare affiliation

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

{
    "created_epoch": "1139184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739923200000",
    "number": "1568434207",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7951 E MAPLEWOOD AVE STE 350",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801114758",
            "telephone_number": "303-930-7895",
            "fax_number": "303-267-4477"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 W DRY CREEK CIR",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801204413",
            "telephone_number": "303-730-4700",
            "fax_number": "303-930-8053"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEEKS",
        "first_name": "MARIE",
        "middle_name": "KLISH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-06",
        "last_updated": "2025-02-19",
        "certification_date": "2025-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CO",
            "license": "DR.0044401",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "47687762",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kathleen Weber, RN, MSN, NNP
• Suzanne Weber, M.D.
• Amanda Webster
• Wee Little Walkers Pediatric Physical Therapy, LLC
• Brad Weekes
• Brooke Weeter, RN,BSN
• Weevolve LLC
• Samantha Virginia Wehlage, FNP
• Jeffrey Wei, MD
• Melissa Frances Weiler-Cabral, M.S.

• Radiation Oncology Physician in Littleton, CO
• Providers in Littleton, CO by specialty
• Radiation Oncology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 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.

Verify at the official NPI Registry.