Janna L Williams, MD

5.014 ratings, 5 reviews

Infectious Diseases

Accepting New Patients

Need help scheduling? Call (616) 774-2822

Highlights

Age Groups Seen

Adult 18-64
Older Adult 65+

Languages

English

Gender

Female

Affiliations

Corewell Health William Beaumont University Hospital
Corewell Health Grand Rapids Hospitals

Locations

Corewell Health Infectious Disease Specialists - 230 Michigan St NE
- 230 Michigan Street Northeast, Suite 230, Grand Rapids, MI 49503
- Get Directions
- phone: 616-774-2822
- fax: 616-391-8665
- Closed
- Opens Monday 08:00 AM

Experience

Education

Fellowship: McGaw Medical Center of Northwestern University, Infectious Disease, 2018
Residency: Thomas Jefferson University Hospitals, Internal Medicine, 2016
Medical School: Thomas Jefferson University Hospitals, Doctor of Medicine (MD), 2013

Board Certifications

Infectious Disease: American Board of Internal Medicine, 2018
Internal Medicine: American Board of Internal Medicine, 2016

Insurance

Please contact the practice office to confirm your specific plan. If you have questions about paying for care or would like to speak to a financial counselor, please visit our financial assistance page.

Search plans

Start typing to search for insurances accepted

Aetna/Cofinity
Align Senior Care MI
BCBS Medicare Advantage Plus Blue
BCBS PPO
BCBS Traditional
Blue Care Network
Blue Care Network Medicare Advantage
Blue Cross Complete
Cigna
Coventry First Health
HAP/ASR
Humana Military (Tricare East)
McLaren Commercial
McLaren Medicaid
McLaren Medicare Advantage
Medicaid

Medicare
Meridian AmBetter
Meridian Complete (MI Health LINK) Dual Eligible
Meridian Medicaid
Molina Medicaid/MiChild/Marketplace (Health Plus)
Molina Medicare
Priority Health Choice Medicaid
Priority Health HMO/PPO
Priority Health Medicare Advantage
Railroad Medicare
Trinity Health Plan of MI
UHC/Optum (VA Community Care Network)
UM Health Plan
United Health Care Commercial
United Health Care Dual Complete

Ratings & Reviews

5 out of 5

14 ratings, 5 reviews

Corewell Health is committed to delivering high-quality and compassionate care. These ratings and reviews are transparent patient feedback collected via survey following a provider care experience that asks patients and families about the care they received.

5 out of 5 stars
Reviewed on 3/20/2026
It is early in this relationship to fully quantify how it will continue. Based on our brief interactions, I am very positive that she will be someone who can help me. Overall a very charming person and professional.
5 out of 5 stars
Reviewed on 9/22/2025
This Doctor shows us great compassion and kindness.
5 out of 5 stars
Reviewed on 5/30/2025
Easy to talk to her and understand what's going on.
5 out of 5 stars
Reviewed on 1/11/2025
I would highly recommend Dr. Williams and her staff.They care about me and are always very quick and supportive when I have questions or concerns.
5 out of 5 stars
Reviewed on 1/10/2025
Excellent!