Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Annabelle M. Matias, MD

Works at hospitals in Middleburg, FL · Jacksonville, FL · Orange Park, FL · Florida

Summary

Dr. Annabelle M. Matias, MD is an internal medicine doctor at 1658 St Vincent Way, Middleburg, FL 32068. Phone: (904) 354-8200. May accept Medicare assignment. In 2024, Annabelle M. Matias had 381 Original Medicare patients and 2,036 services. NPI 1194709725. 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 Annabelle M. Matias, 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 Annabelle M. Matias accept Medicare assignment?
Medicare's clinician data says Annabelle M. Matias may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Annabelle M. Matias see?
In 2024, CMS data shows 381 Original Medicare patients and 2,036 services for Annabelle M. Matias. This counts Original Medicare only and measures volume, not quality.
What is Annabelle M. Matias's NPI number?
1194709725. 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 Annabelle M. Matias, 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 patients381
Services billed to Medicare2,036
Different services or procedures42
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)744 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)286 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)240 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)62 services
  5. Administration of influenza virus vaccine (G0008)53 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%
  • Arthritis61%
  • Ischemic heart disease32%
  • Diabetes30%
  • Chronic kidney disease29%

Hospitals where Annabelle M. Matias works

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

Group practices

Medicare enrollment lists Annabelle M. Matias as a member of these groups (CMS data updated October 2, 2026).

  • Lake Area Physical Therapy Inc.384 clinicians in the group
  • St Vincent's Ambulatory Care Inc310 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Middleburg

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

All internal medicine doctors in Middleburg →

Other clinicians in Lake Area Physical Therapy Inc.

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

Clinician information

CredentialMD
Medical schoolPonce School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194709725
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