DR. GWENDOLYN JOYCE MCGINNIS MD, MCR
NPI 1326471194
Radiology - Radiation Oncology in Thornton, CO

Q: What is Gwendolyn Mcginnis's NPI number?

The NPI number for Gwendolyn Mcginnis is 1326471194. It was assigned to this individual provider in the NPPES registry on August 15, 2013. The provider is also known as Dr. Wendy Mcginnis MD.

Q: What is Gwendolyn Mcginnis's specialty?

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

Active since August 15, 2013PECOS EnrolledAccepts Medicare Assignment

8820 HURON ST, THORNTON, CO 80260(303) 386-7658(303) 487-9350 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 5, 2025, May 27, 2025, Dec 5, 2023 and 2 more (5 updates tracked since 2021).

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About Dr. Gwendolyn Joyce Mcginnis Md, Mcr NPPES

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

DR. GWENDOLYN JOYCE MCGINNIS MD, MCR (NPI 1326471194) is an individual radiation oncology provider in Thornton, Colorado, licensed in Colorado (DR.0075042) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (2018).

NPPES Registry Identity

NPI1326471194

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameDR. GWENDOLYN JOYCE MCGINNISCredential: MD, MCR

Location Address8820 HURON STThornton, CO 80260-6805

Mailing Address8820 Huron StThornton, CO 80260-6805 · (033) 867-6583

Phone(303) 386-7658

Fax(303) 487-9350

Sole ProprietorNo

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2018

Enumeration DateAugust 15, 2013

Last NPPES UpdateAugust 5, 20255 updates tracked since enumeration

NPPES CertifiedAugust 5, 2025

✔ NPI 1326471194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in CO · DR.0075042✔ Licensed in OR · MD214617

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.

8820 HURON ST, Thornton, CO 80260

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Other Names 1

Other Name (5)Dr. Wendy Mcginnis Md

Other Identifiers 1

Medicaid500822996OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Select Health.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

Dr. Gwendolyn Joyce Mcginnis Md, Mcr 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 ID9436406972

PECOS Enrollment IDI20250617000567

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 Gwendolyn Mcginnis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rocky Mountain Cancer Centers LLP

18 mi

Hematology & Oncology

7951 E MAPLEWOOD AVE STE 350
Greenwood Village, CO 80111

Reassigned Medicare billing, Colorado enrollment
157 clinicians in this Medicare group

NPI 1518941186 (303) 930-7800

The Oregon Clinic PC

978 mi

Specialist

541 NE 20TH AVE, SUITE 225
Portland, OR 97232

Reassigned Medicare billing, Oregon enrollment
338 clinicians in this Medicare group

NPI 1265417174 (503) 963-2801

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 11

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.

143 services57 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.

83 services18 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.

41 services19 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.

38 services12 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.

32 services15 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.

30 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80260 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.

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.

ROCKY MOUNTAIN CANCER CENTERS, LLP

Radiology (Diagnostic Radiology)