MARIE KLISH WEEKS MD
NPI 1568434207
Radiology - Radiation Oncology in Littleton, CO

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
88.22/100
CMS Quality Rating
22 W DRY CREEK CIR, LITTLETON, CO 80120(303) 730-4700(303) 930-8053 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 19, 2025, May 1, 2019 (2 updates tracked since 2019).

About Marie Klish Weeks Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIE KLISH WEEKS MD (NPI 1568434207) is an individual radiation oncology provider in Littleton, Colorado, licensed in Colorado (DR.0044401) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (2000).

NPPES Registry Identity

NPI1568434207
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameMARIE KLISH WEEKSCredential: MD
Location Address22 W DRY CREEK CIRLittleton, CO 80120-4413
Mailing Address7951 E Maplewood Ave Ste 350Greenwood Village, CO 80111-4758 · (303) 930-7895 · Fax (303) 267-4477
Fax(303) 930-8053
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2000
Enumeration DateFebruary 6, 2006
Last NPPES UpdateFebruary 19, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2025
NPI 1568434207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License Licensed in CO · DR.0044401
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
22 W DRY CREEK CIR, Littleton, CO 80120

Other Identifiers 1

Medicaid47687762CO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Marie Klish Weeks Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850318148
PECOS Enrollment IDI20060905000181
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 32

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
13,225 services130 patients
Injection, fosaprepitant, 1 mg J1453
Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.
3,750 services14 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
385 services20 patients
Injection, palonosetron hcl, 25 mcg J2469
Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.
350 services17 patients
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev G6013
This procedure involves using high-energy radiation to target and treat disease. It covers 3 or more distinct areas, using custom blocks to protect healthy tissue. Tangential ports, wedges, and rotational beams help direct the radiation. An electron beam of 11-19 million electron volts (mev) is used for deep-seated conditions.
255 services20 patients
Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries A9552
Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.
222 services162 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$174.82 typical visit price
range $58.06 – $174.82
Typical copayment $43.70 (range $14.51 – $43.70)
Most-billed visit code 99205
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.96
Promoting Interoperability81
Improvement Activities40

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Internal Medicine (Hematology & Oncology)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Registered Nurse (Oncology)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Internal Medicine (Hematology & Oncology)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Social Worker (Clinical)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Radiology (Diagnostic Radiology)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Nurse Practitioner (Family)
22 W DRY CREEK CIR
LITTLETON, CO 80120
Physician Assistant
22 W DRY CREEK CIR
LITTLETON, CO 80120

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marie Weeks's NPI number?

The NPI number for Marie Weeks is 1568434207. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Marie Weeks located?

Marie Weeks practices at 22 W Dry Creek Cir, Littleton, CO 80120. The listed phone number is (303) 730-4700.

What is Marie Weeks's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Marie Weeks enrolled in Medicare?

Yes. Marie Weeks is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marie Weeks accept?

Health plans from UnitedHealthcare list Marie Weeks as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marie Weeks was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.