Janna L. Williams
Expertise in
6
conditions

Dr. Janna L. Williams

Infectious Disease
230 Michigan Street Northeast, Suite 230, 
Grand Rapids, MI 
Accepting New Patients
Offers Telehealth
Referral may be required
Before you request
Expertise in
6
conditions
230 Michigan Street Northeast, Suite 230, 
Grand Rapids, MI 

Overview

Janna Williams is an Infectious Disease provider practicing medicine in Grand Rapids, Michigan.

Dr. Williams is highly rated in 6 conditions, according to our data. Her clinical expertise encompasses Strep Throat, Osteomyelitis, Infective Endocarditis, and Sepsis.

Dr. Williams is board certified in American Board Of Internal Medicine. She is actively involved in clinical research, co-authoring 10 peer reviewed articles. Dr. Williams is currently accepting new patients.

Specialties

Infectious Disease

Licenses

Internal Medicine in MI

Board Certifications

American Board Of Internal Medicine

Fellowships

McGaw Medical Center of Northwestern University

Hospital Affiliations

Corewell Health William Beaumont University Hospital
Corewell Health Grand Rapids Hospitals
Spectrum Health
Spectrum Health United Hospital
Corewell Health Pennock Hospital
Corewell Health Gerber Hospital
Corewell Health Zeeland Hospital

Languages Spoken

English

Gender

Female

Insurance

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

Find your insurance
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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Alignment Health Plan
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • 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
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
McLaren Health
  • HMO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Priority Health
  • HMO
  • POS
Spectrum Priority Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
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 11 Less Insurance Carriers -

Locations

Corewell Health Infectious Disease Specialists - 230 Michigan St NE
230 Michigan Street Northeast, Suite 230, Grand Rapids, MI 49503

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.

10 Total Publications

A Novel and Reproducible Urinary Diagnostic Framework Reduces Health Care and Antibiotic Utilization for Urinary Tract Infections.
A Novel and Reproducible Urinary Diagnostic Framework Reduces Health Care and Antibiotic Utilization for Urinary Tract Infections.
Journal: Open forum infectious diseases
Published: March 03, 2025
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Before you request

Corewell Health Infectious Disease Specialists - 230 Michigan St NE

230 Michigan Street Northeast, Suite 230, 
Grand Rapids, MI 
 (0.1 miles away)
616-774-2822
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Liam Sullivan is an Infectious Disease provider practicing medicine in Grand Rapids, Michigan. Dr. Sullivan is highly rated in 11 conditions, according to our data. His clinical expertise encompasses Chronic Inflammatory Response Syndrome (CIRS), Febrile Neutropenia, Strep Throat, and Infectious Arthritis. Dr. Sullivan is board certified in American Osteopathic Board Of Internal Medicine. Dr. Sullivan is currently accepting new patients.

Frequently Asked Questions about Dr. Janna L. Williams

How do I make an appointment with Dr. Janna L. Williams?

You can book an appointment with Dr. Janna L. Williams by calling their office at 616-774-2822. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Janna L. Williams a top-rated expert for Strep Throat?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Janna L. Williams is classified as an Advanced expert for Strep Throat, 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. Janna L. Williams specialize in?

While Dr. Janna L. Williams is a Infectious Disease, they have specific expertise in Strep Throat, Osteomyelitis, and Infective Endocarditis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Infectious Disease.

Does Dr. Janna L. Williams participate in research or clinical trials?

Yes. Dr. Janna L. Williams has published 10 articles and abstracts on conditions like Strep Throat. You can view a list of Dr. Janna L. Williams's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Janna L. Williams accept my insurance?

Dr. Janna L. Williams accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 616-774-2822 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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