Janna WilliamsMD
Infectious Disease·Grand Rapids, MI
Janna Williams, MD is an Infectious Disease provider in Grand Rapids, MI, as of July 2026.
- NPI1033552740
- Registered2013
- Class of2013
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Janna Williams at a glance
- Provider
- Janna Williams
- Credential
- MD
- Specialty
- Infectious Disease
- Location
- Grand Rapids, MI
- Medical school graduation
- 2013
- NPI registered
- 2013
- NPI
- 1033552740
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Janna Williams practice?
Janna Williams, MD is based in Grand Rapids, MI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Janna Williams's NPI number?
Janna Williams's National Provider Identifier (NPI) is 1033552740, registered in 2013. Specialty on record: Infectious Disease; credential MD.
How many Infectious Disease providers in Michigan work at ambulatory surgery centers?
25 Infectious Disease surgeons and proceduralists in Michigan are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Janna Williams among them. The Michigan Infectious Disease directory lists each one by city with credential, NPI, and center affiliations.
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