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Pathology

Vinay S. Naik, MD

Works at hospitals in Prairie Du Chien, WI · Eau Claire, WI · Sparta, WI … · Wisconsin, Minnesota

Summary

Dr. Vinay S. Naik, MD is a pathologist at 700 W Ave S, La Crosse, WI 54601. Phone: (608) 785-0940. Accepts Medicare assignment. In 2024, Vinay S. Naik had 945 Original Medicare patients and 2,473 services. NPI 1255396503. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Vinay S. Naik, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Vinay S. Naik accept Medicare assignment?
Yes. Medicare's clinician data says Vinay S. Naik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Vinay S. Naik see?
In 2024, CMS data shows 945 Original Medicare patients and 2,473 services for Vinay S. Naik. This counts Original Medicare only and measures volume, not quality.
What is Vinay S. Naik's NPI number?
1255396503. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Vinay S. Naik, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients945
Services billed to Medicare2,473
Different services or procedures23
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)1,370 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)289 services
  3. Protein measurement, serum (84165)153 services
  4. Special stained specimen slides to examine tissue, initial procedure (88342)140 services
  5. Cell examination of specimen, selective cellular enhancement technique (88112)92 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol73%
  • High blood pressure71%
  • Arthritis38%
  • Chronic kidney disease34%
  • Diabetes29%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%

Hospitals where Vinay S. Naik works

Medicare's Facility Affiliation Data lists Vinay S. Naik at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Vinay S. Naik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vinay S. Naik as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group

Specialties

Find other Pathology doctors in Wisconsin →

Other pathologists in La Crosse

Clinicians with the same Medicare primary specialty in La Crosse, WI — not a recommendation.

All pathologists in La Crosse →

Other clinicians in Mayo Clinic Health System-Southwest Wisconsin Region Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255396503
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians