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Internal Medicine

Cristina Acosta Diaz, MD

Works at hospitals in Sarasota, FL · North Venice, FL · Florida

Summary

Dr. Cristina Acosta Diaz, MD is an internal medicine doctor at 1700 S Tamiami Trl, Sarasota, FL 34239. Phone: (941) 917-7760. Accepts Medicare assignment. In 2024, Cristina Acosta Diaz had 505 Original Medicare patients and 1,156 services. NPI 1114435351. 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 Cristina Acosta Diaz, 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 Cristina Acosta Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Cristina Acosta Diaz 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 Cristina Acosta Diaz see?
In 2024, CMS data shows 505 Original Medicare patients and 1,156 services for Cristina Acosta Diaz. This counts Original Medicare only and measures volume, not quality.
What is Cristina Acosta Diaz's NPI number?
1114435351. 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 Cristina Acosta Diaz, 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 patients505
Services billed to Medicare1,156
Different services or procedures12
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)524 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)235 services
  3. Hospital discharge day management, more than 30 minutes (99239)205 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)126 services
  5. Hospital discharge day management, 30 minutes or less (99238)21 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%
  • Arthritis69%
  • Ischemic heart disease61%
  • Heart failure48%
  • Atrial fibrillation48%

Hospitals where Cristina Acosta Diaz works

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

Group practices

Medicare enrollment lists Cristina Acosta Diaz as a member of these groups (CMS data updated October 2, 2026).

  • Legacy Healthcare Services Inc3,223 clinicians in the group
  • SMH Physician Services Inc784 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Sarasota

Clinicians with the same Medicare primary specialty in Sarasota, FL — not a recommendation.

All internal medicine doctors in Sarasota →

Other clinicians in Legacy Healthcare Services Inc

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

Clinician information

CredentialMD
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114435351
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