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Neurology

Vishwanath Sagi, MD

Works at hospitals in Louisville, KY · Kentucky

Summary

Dr. Vishwanath Sagi, MD is a neurologist at 401 E Chestnut St, Suite 510, Louisville, KY 40202. Phone: (502) 589-0802. Accepts Medicare assignment. In 2024, Vishwanath Sagi had 250 Original Medicare patients and 396 services. NPI 1205194990. 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 Vishwanath Sagi, 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 Vishwanath Sagi accept Medicare assignment?
Yes. Medicare's clinician data says Vishwanath Sagi 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 Vishwanath Sagi see?
In 2024, CMS data shows 250 Original Medicare patients and 396 services for Vishwanath Sagi. This counts Original Medicare only and measures volume, not quality.
What is Vishwanath Sagi's NPI number?
1205194990. 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 Vishwanath Sagi, 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 patients250
Services billed to Medicare396
Different services or procedures23
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional (95720)125 services
  2. Measurement of brain wave activity (eeg), 61-119 minutes (95813)53 services
  3. Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional (95718)52 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)33 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 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 blood pressure75%
  • High cholesterol74%
  • Arthritis53%
  • Anxiety50%
  • Diabetes47%
  • Stroke or mini-stroke46%

Hospitals where Vishwanath Sagi works

Medicare's Facility Affiliation Data lists Vishwanath Sagi 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 Vishwanath Sagi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vishwanath Sagi as a member of this group (CMS data updated October 2, 2026).

  • University of Louisville Physicians Inc1,445 clinicians in the group

Specialties

Find other Neurology doctors in Kentucky →

Other neurologists in Louisville

Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.

All neurologists in Louisville →

Other clinicians in University of Louisville Physicians Inc

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205194990
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