WILLIAM E DECKER MD
NPI 1457349755
Radiology - Radiation Oncology in Sedalia, MO

Q: What is William Decker's NPI number?

The NPI number for William Decker is 1457349755. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Q: What is William Decker's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Decker was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.

Active since October 11, 2005PECOS EnrolledAccepts Medicare Assignment

95.8/100

CMS Quality Rating

601 E 14TH ST, SEDALIA, MO 65301(660) 827-9538(660) 826-7698 Get Directions Write a Review

NPPES record last updated: February 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 17, 2025, Oct 5, 2022, Dec 9, 2021 and 1 more (4 updates tracked since 2021).

On this page

About William E Decker Md NPPES

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

WILLIAM E DECKER MD (NPI 1457349755) is an individual radiation oncology provider in Sedalia, Missouri, licensed in Missouri (2004005486) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Bothwell Regional Health Center, and is a graduate of Medical College Of Wisconsin (1995).

NPPES Registry Identity

NPI1457349755

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameWILLIAM E DECKERCredential: MD

Location Address601 E 14TH STSedalia, MO 65301-5972

Mailing Address1705 E Broadway, Suite 100Columbia, MO 65201-7166 · (573) 874-7800 · Fax (573) 443-3627

Phone(660) 827-9538

Fax(660) 826-7698

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1995

Enumeration DateOctober 11, 2005

Last NPPES UpdateFebruary 17, 20254 updates tracked since enumeration

NPPES CertifiedFebruary 17, 2025

✔ NPI 1457349755 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 MO · 2004005486

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.

601 E 14TH ST, Sedalia, MO 65301

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Other Identifiers 8

Other33552015Bcbs Of Kc

Other5132415Aetna

Other214339Ghp

Other663547Healthlink

Other65201A008Tricare

Other190520Bcbs Of Mo

Medicaid208741306MO

OtherI04386Mercy Health Plans

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William E Decker 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 ID2365424215

PECOS Enrollment IDI20040603001045

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.

Medicare Billing Reassignments

Medicare enrollment records show William Decker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Missouri Cancer Associates LLC

49 mi

Oncology

1705 E BROADWAY, SUITE 100
Columbia, MO 65201

Reassigned Medicare billing, Missouri enrollment
28 clinicians in this Medicare group

NPI 1215947338 (573) 874-7800

Lake Regional Health System

50 mi

Emergency Medical Services

54 HOSPITAL DR
Osage Beach, MO 65065

Reassigned Medicare billing, Missouri enrollment
149 clinicians in this Medicare group

NPI 1053581454 (573) 348-8000

The Curators Of The University Of Missouri

51 mi

Multi-Specialty

1 HOSPITAL DR
Columbia, MO 65212

Reassigned Medicare billing, Missouri enrollment
1,395 clinicians in this Medicare group

NPI 1235126921 (573) 882-4141

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

602 services58 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

409 services88 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

326 services95 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

278 services90 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

227 services165 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

139 services83 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

98 services90 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

65 services51 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

54 services51 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

48 services45 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

47 services34 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

39 services39 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

32 services29 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

28 services28 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

24 services23 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

17 services17 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

13 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bothwell Regional Health Center

Acute Care Hospitals · Sedalia, MO

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number260009

Location601 E 14th StSedalia, MO 65302 · Pettis County

Emergency services Birthing friendly

Western Missouri Medical Center

Acute Care Hospitals · Warrensburg, MO

5/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number260097

Location403 Burkarth RoadWarrensburg, MO 64093 · Johnson County

Emergency services Birthing friendly

University Of Missouri Health Care

Acute Care Hospitals · Columbia, MO

2/5 CMS rating

OwnershipGovernment - State

CMS Certification Number260141

LocationOne Hospital DriveColumbia, MO 65212 · Boone County

Emergency services Birthing friendly

Fitzgibbon Hospital

Acute Care Hospitals · Marshall, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260142

Location2305 S 65 HighwayMarshall, MO 65340 · Saline County

Emergency services Birthing friendly

Carroll County Memorial Hospital

Critical Access Hospitals · Carrollton, MO

OwnershipVoluntary non-profit - Private

CMS Certification Number261332

Location1502 North JeffersonCarrollton, MO 64633 · Carroll County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65301 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

$161.24 typical visit price

range $52.28 – $161.24

Typical copayment $40.31 (range $13.07 – $40.31)

Most-billed visit code 99205

Established Patient

$65.71 typical visit price

range $16.30 – $131.05

Typical copayment $16.42 (range $4.07 – $32.76)

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.

95.8/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

99.31

Promoting Interoperability

100

Improvement Activities

Cost

86.69

Reported Quality Measures

Advance Care Plan

71%503 patients3/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

93%1,224 patients4/55-star benchmark: 100%

Oncology: Advance Care Planning in Metastatic Cancer Patients

49%70 patients3/55-star benchmark: 85%

Oncology: Medical and Radiation - Pain Intensity Quantified

97%1,277 patients4/55-star benchmark: 100%

Oncology: Patient-Reported Pain Improvement

63%68 patients

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

24%725 patients2/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 41% · 325 patients

Patients screened: 45% · 325 patients

84%76 patients4/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

86%343 patients3/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

0%518 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

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

DR. JANET S CHANCE-HETZLER DNP, MSN, RN, APRN

Clinical Nurse Specialist (Adult Health)