Expertise in
22
conditions

Dr. Donald W. Northfelt

Oncology
Mayo Clinic Hospital In Arizona
5777 E Mayo Blvd, 
Phoenix, AZ 
Accepting New Patients
Offers Telehealth
Expertise in
22
conditions
Mayo Clinic Hospital In Arizona
5777 E Mayo Blvd, 
Phoenix, AZ 

Overview

Donald Northfelt is an Oncologist practicing medicine in Phoenix, Arizona.

Dr. Northfelt is highly rated in 22 conditions, according to our data. His clinical expertise encompasses Breast Cancer, HER-2 Positive Breast Cancer, Angiosarcoma, Inflammatory Breast Cancer, and Bone Marrow Aspiration.

He is actively involved in clinical research, co-authoring 116 peer reviewed articles and participating in 23 clinical trials. Dr. Northfelt is currently accepting new patients.

Specialties

Oncology

Licenses

Internal Medicine in CO

Hospital Affiliations

Mayo Clinic Hospital
Phoenix Indian Medical Center
Huhu Kam Memorial Hospital

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Moda Health
  • EPO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Sanford Health
  • HMO
  • PPO
SelectHealth
  • HMO
  • POS
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
VibrantRx
  • MEDICARE PDP
  • OTHER MEDICARE
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 15 Less Insurance Carriers -

Locations

Mayo Clinic Hospital In Arizona
5777 E Mayo Blvd, Phoenix, AZ 85054

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

21 Clinical Trials

Randomized Phase 2 Study of Neoadjuvant Chemotherapy, Carboplatin and Paclitaxel, With or Without Atezolizumab in Triple Negative Breast Cancer (TNBC)
Randomized Phase 2 Study of Neoadjuvant Chemotherapy, Carboplatin and Paclitaxel, With or Without Atezolizumab in Triple Negative Breast Cancer (TNBC)
Enrollment Status: Active_not_recruiting
Publish Date: July 31, 2026
Intervention Type: Procedure, Drug
Study Drugs: carboplatin, paclitaxel, atezolizumab
Study Phase: Phase 2
A Phase 1/2 Trial of ABT-888, an Inhibitor of Poly(ADP-ribose) Polymerase (PARP), and Topotecan (TPT) in Patients With Solid Tumors (Phase 1) and Relapsed Ovarian Cancer or Primary Peritoneal Cancer (Phase 2) After Prior Platinum Containing First-Line Chemotherapy
A Phase 1/2 Trial of ABT-888, an Inhibitor of Poly(ADP-ribose) Polymerase (PARP), and Topotecan (TPT) in Patients With Solid Tumors (Phase 1) and Relapsed Ovarian Cancer or Primary Peritoneal Cancer (Phase 2) After Prior Platinum Containing First-Line Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: July 31, 2026
Intervention Type: Other, Drug
Study Drugs: Topotecan Hydrochloride, Veliparib
Study Phase: Phase 1/Phase 2
MC1633 Phase II Trial to Evaluate the Efficacy of the FASN Inhibitor, TVB-2640, in Combination With Trastuzumab Plus Paclitaxel or Endocrine Therapy in Patients With HER2+ Metastatic Breast Cancer Resistant to Trastuzumab-Based Therapy
MC1633 Phase II Trial to Evaluate the Efficacy of the FASN Inhibitor, TVB-2640, in Combination With Trastuzumab Plus Paclitaxel or Endocrine Therapy in Patients With HER2+ Metastatic Breast Cancer Resistant to Trastuzumab-Based Therapy
Enrollment Status: Completed
Publish Date: July 01, 2026
Intervention Type: Procedure, Drug, Biological
Study Drugs: FASN Inhibitor TVB-2640, Paclitaxel, Trastuzumab
Study Phase: Phase 2
Double Blind, Parallel Groups, Controlled, Randomized Phase II Trial to Evaluate Vaccination With Folate Receptor Alpha Peptide Vaccine With GM-CSF as Vaccine Adjuvant Following Oral Cyclophosphamide Versus GM-CSF/Placebo to Prevent Recurrence in Patients With Triple Negative Breast Cancer
Double Blind, Parallel Groups, Controlled, Randomized Phase II Trial to Evaluate Vaccination With Folate Receptor Alpha Peptide Vaccine With GM-CSF as Vaccine Adjuvant Following Oral Cyclophosphamide Versus GM-CSF/Placebo to Prevent Recurrence in Patients With Triple Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: June 30, 2026
Intervention Type: Drug, Other, Biological
Study Drugs: Cyclophosphamide, Multi-epitope Folate Receptor Alpha Peptide Vaccine, Sargramostim
Study Phase: Phase 2
Prospective Study to Evaluate the Role of Tumor Sequencing in Women Receiving Palbociclib for Advanced Hormone Receptor (HR)-Positive, Breast Cancer (PROMISE)
Prospective Study to Evaluate the Role of Tumor Sequencing in Women Receiving Palbociclib for Advanced Hormone Receptor (HR)-Positive, Breast Cancer (PROMISE)
Enrollment Status: Active_not_recruiting
Publish Date: June 09, 2026
Intervention Type: Procedure, Other
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: April 24, 2026
Intervention Type: Drug
Study Drugs: Abemaciclib, Standard Adjuvant Endocrine Therapy
Study Phase: Phase 3
A Randomized, Open Label, Phase III Trial to Evaluate the Efficacy and Safety of Palbociclib + Anti-HER2 Therapy + Endocrine Therapy vs. Anti-HER2 Therapy + Endocrine Therapy After Induction Treatment for Hormone Receptor Positive (HR+)/HER2-Positive Metastatic Breast Cancer
A Randomized, Open Label, Phase III Trial to Evaluate the Efficacy and Safety of Palbociclib + Anti-HER2 Therapy + Endocrine Therapy vs. Anti-HER2 Therapy + Endocrine Therapy After Induction Treatment for Hormone Receptor Positive (HR+)/HER2-Positive Metastatic Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Drug
Study Drugs: Palbociclib, Trastuzumab, Pertuzumab, Letrozole, Anastrozole, Exemestane, Fulvestrant
Study Phase: Phase 3
BYLieve: A Phase II, Multicenter, Open-label, Three-cohort, Non- Comparative Study to Assess the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole in Patients With PIK3CA Mutant, Hormone Receptor (HR) Positive, HER2-negative Advanced Breast Cancer (aBC), Who Have Progressed on or After Prior Treatments
BYLieve: A Phase II, Multicenter, Open-label, Three-cohort, Non- Comparative Study to Assess the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole in Patients With PIK3CA Mutant, Hormone Receptor (HR) Positive, HER2-negative Advanced Breast Cancer (aBC), Who Have Progressed on or After Prior Treatments
Enrollment Status: Completed
Publish Date: January 13, 2026
Intervention Type: Drug
Study Drugs: Alpelisib, Fulvestrant, Letrozole, Goserelin, Leuprolide
Study Phase: Phase 2
A Phase II Trial of Neoadjuvant PD 0332991, a Cyclin-Dependent Kinase (Cdk) 4/6 Inhibitor, in Combination With Anastrozole in Women With Clinical Stage 2 or 3 Estrogen Receptor Positive and HER2 Negative Breast Cancer
A Phase II Trial of Neoadjuvant PD 0332991, a Cyclin-Dependent Kinase (Cdk) 4/6 Inhibitor, in Combination With Anastrozole in Women With Clinical Stage 2 or 3 Estrogen Receptor Positive and HER2 Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: December 09, 2025
Intervention Type: Procedure, Drug
Study Drugs: PD0332991, Anastrozole, Goserelin
Study Phase: Phase 2
Window Trial of Abemaciclib for Surgically Resectable, Chemotherapy-Resistant, Triple Negative Breast Cancer (a BEAUTY Study*)
Window Trial of Abemaciclib for Surgically Resectable, Chemotherapy-Resistant, Triple Negative Breast Cancer (a BEAUTY Study*)
Enrollment Status: Terminated
Publish Date: November 12, 2025
Intervention Type: Procedure, Drug
Study Drug: Abemaciclib
Study Phase: Phase 2
View 9 Less Clinical Trials

116 Total Publications

Erratum: Prospective Study of Supplemental Screening With Contrast-Enhanced Mammography in Women With Elevated Risk of Breast Cancer: Results of the Prevalence Round.
Erratum: Prospective Study of Supplemental Screening With Contrast-Enhanced Mammography in Women With Elevated Risk of Breast Cancer: Results of the Prevalence Round.
Journal: Journal of clinical oncology : official journal of the American Society of Clinical Oncology
Published: September 02, 2025
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Frequently Asked Questions about Dr. Donald W. Northfelt

How do I make an appointment with Dr. Donald W. Northfelt?

You can book an appointment with Dr. Donald W. Northfelt by calling their office at 480-301-8000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Donald W. Northfelt a top-rated expert for Breast Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Donald W. Northfelt is classified as an Elite expert for Breast Cancer, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Donald W. Northfelt specialize in?

While Dr. Donald W. Northfelt is a Oncology, they have specific expertise in Breast Cancer, HER-2 Positive Breast Cancer, and Angiosarcoma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Donald W. Northfelt participate in research or clinical trials?

Yes. Dr. Donald W. Northfelt has published 116 articles and abstracts on conditions like Breast Cancer. You can view a list of Dr. Donald W. Northfelt's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Donald W. Northfelt accept my insurance?

Dr. Donald W. Northfelt accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 480-301-8000 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

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