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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARGARET WHELESS MD
NPI 1770112922
Internal Medicine - Medical Oncology in Aurora, CO

Active since April 08, 2020PECOS Enrolled
1665 AURORA CT, AURORA, CO 80045(720) 848-0000 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 3, 2026, Jun 2, 2026, Apr 8, 2020 (3 updates tracked since 2020).

About Margaret Wheless Md NPPES

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

MARGARET WHELESS MD (NPI 1770112922) is an individual medical oncology provider in Aurora, Colorado, licensed in Colorado (DR.0076826) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770112922
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameMARGARET WHELESSCredential: MD
Location Address1665 AURORA CTAurora, CO 80045-2517
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Phone(720) 848-0000
Sole ProprietorNo
Enumeration DateApril 8, 2020
Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1770112922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CO · DR.0076826
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0076826 (CO)
1665 AURORA CT, Aurora, CO 80045
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Wheless Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 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
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
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.

THERESA PACHECO MD
Dermatology (Procedural Dermatology)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
DR. TYLER ROBIN MD
Radiology (Radiation Oncology)
1665 AURORA CT, SUITE 1032, MSF706
AURORA, CO 80045
Adams County (720) 848-0100
MARCUS C ALT PH.D.
Psychologist (Clinical)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
KAITLIN OLSON PA
Physician Assistant (Medical)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-6400
DR. RYAN MICHAEL LANNING M.D., PHD.
Radiology (Radiation Oncology)
1665 AURORA CT, SUITE 1032
AURORA, CO 80045
Adams County (720) 848-0100
NICOLE PAIGE WOLSKI NP
Nurse Practitioner (Adult Health)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
CAILIN COLLINS MD
Internal Medicine (Hematology & Oncology)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
LISA MARIE BABAYAN PA
Physician Assistant
1665 AURORA CT
AURORA, CO 80045
Adams County (303) 724-2066

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 Margaret Wheless's NPI number?

The NPI number for Margaret Wheless is 1770112922. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Margaret Wheless located?

Margaret Wheless practices at 1665 Aurora Ct, Aurora, CO 80045. The listed phone number is (720) 848-0000.

What is Margaret Wheless's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Margaret Wheless enrolled in Medicare?

Yes. Margaret Wheless is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margaret Wheless was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.