Physician Profile
John A. Zernia, MD
Unclaimed ProfileAbout Dr. Zernia
John A. Zernia, MD practices emergency medicine in La Crosse, WI. John is a 1985 graduate of Medical College of Wisconsin. John is also listed as specializing in emergency medical services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (608) 782-7300
- Email not available
Practice Locations
1836 SOUTH AVE
La Crosse, WI 54601
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency physicians at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other emergency physicians in La Crosse 6
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Zernia?
Dr. Zernia is an emergency physician in La Crosse, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
What is Dr. Zernia's address?
Dr. Zernia is listed at 1836 South Ave, La Crosse, WI 54601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Zernia?
The number on file is (608) 782-7300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Zernia's NPI number?
Dr. Zernia's National Provider Identifier is 1124022728. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Zernia train?
Dr. Zernia attended Medical College of Wisconsin, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Zernia been practicing?
Dr. Zernia has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Zernia confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zernia. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.