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General Surgery

Sebastiano Cassaro, MD

Works at hospitals in Visalia, CA · California

Summary

Dr. Sebastiano Cassaro, MD is a general surgeon at 107 N Hall St, Suite A, Visalia, CA 93291. Phone: (559) 302-5600. Accepts Medicare assignment. In 2024, Sebastiano Cassaro had 184 Original Medicare patients and 320 services. NPI 1851430250. 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.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 107 N Hall St, Suite A, Visalia, CA 93291 · Directions (1 more location)
  • Phone: (559) 302‑5600
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaweah Health Medical Center
  • Group practice: Family Healthcare Network (+1 more)
  • Medical school: graduated 1980 (46 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sebastiano Cassaro, 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 Sebastiano Cassaro accept Medicare assignment?
Yes. Medicare's clinician data says Sebastiano Cassaro 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 Sebastiano Cassaro see?
In 2024, CMS data shows 184 Original Medicare patients and 320 services for Sebastiano Cassaro. This counts Original Medicare only and measures volume, not quality.
What is Sebastiano Cassaro's NPI number?
1851430250. 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 Sebastiano Cassaro, 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 patients184
Services billed to Medicare320
Different services or procedures40
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)148 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)51 services
  3. Hospital discharge day management, 30 minutes or less (99238)29 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)15 services
  5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)13 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 cholesterol75%
  • Arthritis56%
  • Diabetes55%
  • Chronic kidney disease45%
  • Ischemic heart disease41%

Hospitals where Sebastiano Cassaro works

Medicare's Facility Affiliation Data lists Sebastiano Cassaro 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.

  • Kaweah Health Medical CenterVisalia, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050057

Practice locations

Addresses where Sebastiano Cassaro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sebastiano Cassaro as a member of these groups (CMS data updated October 2, 2026).

  • Family Healthcare Network93 clinicians in the group
  • Iq Surgical Associates Inc5 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Visalia

Clinicians with the same Medicare primary specialty in Visalia, CA — not a recommendation.

All general surgeons in Visalia →

Other clinicians in Family Healthcare Network

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

Clinician information

CredentialMD
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851430250
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