Expertise in
15
conditions

Dr. Ernie Riffer

Internal Medicine
7600 N 15th St Ste 190, 
Phoenix, AZ 
Accepting New Patients
Offers Telehealth
Expertise in
15
conditions
7600 N 15th St Ste 190, 
Phoenix, AZ 

Overview

Ernie Riffer is a primary care provider, practicing in Internal Medicine in Phoenix, Arizona.

Dr. Riffer is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Protein C Deficiency, Hereditary Resistance to Anti-Vitamin K, Congenital Antithrombin 3 Deficiency, and Protein S Deficiency.

Dr. Riffer is board certified in American Board Of Internal Medicine. He is actively involved in clinical research, participating in 4 clinical trials. Dr. Riffer is currently accepting new patients.

Specialties

Internal Medicine

Licenses

Internal Medicine in AZ

Board Certifications

American Board Of Internal Medicine

Hospital Affiliations

St Josephs Hospital And Medical Center
Honor Health John C. Lincoln Medical Center

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
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Community Health
  • EPO
  • HMO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
EMI Health
  • PPO
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
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
MercyCare
  • EPO
  • HMO
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Oscar
  • EPO
  • HMO
  • PPO
SCAN Health Plan
  • INSURANCE PLAN
  • MEDICARE MAPD
SelectHealth
  • HMO
  • POS
Trustmark
  • PPO
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 23 Less Insurance Carriers -

Locations

Optum Primary Care - N. 15th St
7600 N 15th St Ste 190, Phoenix, AZ 85020

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.

4 Clinical Trials

A Multi-center, Randomized, Double-blind, Parallel-group, Placebo-controlled Study of Mepolizumab 100 mg SC as add-on Treatment in Participants With COPD Experiencing Frequent Exacerbations and Characterized by Eosinophil Levels (Study 208657)
A Multi-center, Randomized, Double-blind, Parallel-group, Placebo-controlled Study of Mepolizumab 100 mg SC as add-on Treatment in Participants With COPD Experiencing Frequent Exacerbations and Characterized by Eosinophil Levels (Study 208657)
Enrollment Status: Completed
Publish Date: August 21, 2026
Intervention Type: Drug, Biological
Study Drug: Mepolizumab
Study Phase: Phase 3
A Phase 3, Randomized, Double-blind, Parallel-group Trial to Evaluate the Lot Consistency, Immunogenicity, and Safety of AV7909 for Postexposure Prophylaxis of Anthrax in Healthy Adults
A Phase 3, Randomized, Double-blind, Parallel-group Trial to Evaluate the Lot Consistency, Immunogenicity, and Safety of AV7909 for Postexposure Prophylaxis of Anthrax in Healthy Adults
Enrollment Status: Completed
Publish Date: May 06, 2026
Intervention Type: Biological
Study Phase: Phase 3
A Phase 3, Randomized, Placebo-controlled, Observer-blind, Multi-country Study to Demonstrate the Efficacy of a Single Dose and Annual Revaccination Doses of GSK's RSVPreF3 OA Investigational Vaccine in Adults Aged 60 Years and Above
A Phase 3, Randomized, Placebo-controlled, Observer-blind, Multi-country Study to Demonstrate the Efficacy of a Single Dose and Annual Revaccination Doses of GSK's RSVPreF3 OA Investigational Vaccine in Adults Aged 60 Years and Above
Enrollment Status: Completed
Publish Date: July 31, 2025
Intervention Type: Biological
Study Drug: RSVPreF3
Study Phase: Phase 3
A Randomized, Double-Blind, Parallel Arm Study of the Efficacy and Safety of Investigational Dulaglutide Doses When Added to Metformin in Patients With Type 2 Diabetes Mellitus
A Randomized, Double-Blind, Parallel Arm Study of the Efficacy and Safety of Investigational Dulaglutide Doses When Added to Metformin in Patients With Type 2 Diabetes Mellitus
Enrollment Status: Completed
Publish Date: June 12, 2020
Intervention Type: Drug
Study Phase: Phase 3
View 3 Less Clinical Trials
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Frequently Asked Questions about Dr. Ernie Riffer

How do I make an appointment with Dr. Ernie Riffer?

You can book an appointment with Dr. Ernie Riffer by calling their office at 602-200-3800. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Ernie Riffer a top-rated expert for Protein C Deficiency?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Ernie Riffer is classified as an Advanced expert for Protein C Deficiency, 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. Ernie Riffer specialize in?

While Dr. Ernie Riffer is a Internal Medicine, they have specific expertise in Protein C Deficiency, Hereditary Resistance to Anti-Vitamin K, and Congenital Antithrombin 3 Deficiency. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. Ernie Riffer accept my insurance?

Dr. Ernie Riffer accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 602-200-3800 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.

Learn more about MediFind’s expert tiers

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