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General Surgery

Alvaro H. Fonseca, MD

Works at hospitals in Statesboro, GA · Springfield, GA · Hilton Head Island, SC … · Georgia, South Carolina

Summary

Dr. Alvaro H. Fonseca, MD is a general surgeon at 4700 Waters Ave, Savannah, GA 31404. Phone: (912) 350-7020. Accepts Medicare assignment. In 2024, Alvaro H. Fonseca had 255 Original Medicare patients and 594 services. NPI 1740225499. 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 Alvaro H. Fonseca, 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 Alvaro H. Fonseca accept Medicare assignment?
Yes. Medicare's clinician data says Alvaro H. Fonseca 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 Alvaro H. Fonseca see?
In 2024, CMS data shows 255 Original Medicare patients and 594 services for Alvaro H. Fonseca. This counts Original Medicare only and measures volume, not quality.
What is Alvaro H. Fonseca's NPI number?
1740225499. 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 Alvaro H. Fonseca, 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 patients255
Services billed to Medicare594
Different services or procedures43
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)228 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)73 services
  3. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)55 services
  4. Critical care, first 30-74 minutes (99291)50 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)35 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%
  • Arthritis55%
  • Anxiety40%
  • Diabetes37%
  • Chronic kidney disease36%

Hospitals where Alvaro H. Fonseca works

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

Group practices

Medicare enrollment lists Alvaro H. Fonseca as a member of this group (CMS data updated October 2, 2026).

  • Savannah Multispecialty Associates LLC125 clinicians in the group

Specialties

Find other General Surgery doctors in Georgia →

Other general surgeons in Savannah

Clinicians with the same Medicare primary specialty in Savannah, GA — not a recommendation.

All general surgeons in Savannah →

Other clinicians in Savannah Multispecialty Associates LLC

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

Clinician information

CredentialMD
Medical schoolMedical College Of Georgia School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740225499
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