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Allergy/Immunology

Jay J. Prochnau, MD

Works at hospitals in Lafayette, IN · Monticello, IN · Indiana

Summary

Jay J. Prochnau, MD (Allergy/Immunology) is listed by Medicare at 2 hospitals in Lafayette, IN and Monticello, IN. NPI 1366411878. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jay J. Prochnau, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
IU Health Medical Group LLCGroup practice (+1 more)

Quick answers

Which hospitals does Jay J. Prochnau work at?
Medicare's official clinician data lists Jay J. Prochnau at 2 hospitals: Indiana University Health Arnett Hospital and Indiana University Health White Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jay J. Prochnau see patients?
Medicare's clinician data lists 2 practice locations, including Indianapolis, IN and Lafayette, IN. Call before your visit to confirm the address.
What is Jay J. Prochnau's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Jay J. Prochnau accept Medicare assignment?
Yes. Medicare's clinician data says Jay J. Prochnau accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Jay J. Prochnau offer telehealth?
Medicare's clinician data says Jay J. Prochnau offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jay J. Prochnau?
(888) 484-3258, as listed in official Medicare / NPI Registry data.
What is Jay J. Prochnau's NPI number?
1366411878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jay J. Prochnau works

Medicare's Facility Affiliation Data lists Jay J. Prochnau at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jay J. Prochnau is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jay J. Prochnau as a member of these groups (CMS data updated 2026-10-02).

  • IU Health Medical Group LLC4,462 clinicians in the group
  • Arnett Clinic LLC390 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Indiana →

Other allergist and immunologists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All allergist and immunologists in Indianapolis →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366411878
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians