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Hand Surgery

Jennifer L. Madden, MD

Works at hospitals in St. Johns, FL · Florida

Summary

Dr. Jennifer L. Madden, MD is a hand surgeon at 45 Groover Loop, St Augustine, FL 32086. Phone: (904) 634-0640. Accepts Medicare assignment. In 2024, Jennifer L. Madden had 775 Original Medicare patients and 4,227 services. NPI 1619995388. 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: Hand surgeon (Medicare lists Hand Surgery)
  • Address: 45 Groover Loop, St Augustine, FL 32086 · Directions (2 more locations)
  • Phone: (904) 634‑0640
  • Medicare: Accepts Medicare assignment
  • Hospital: Ascension St Vincent's St Johns County
  • Group practice: Cora Health Services Inc (+1 more)
  • Medical school: Boston University School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer L. Madden, 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 Jennifer L. Madden accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer L. Madden 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 Jennifer L. Madden see?
In 2024, CMS data shows 775 Original Medicare patients and 4,227 services for Jennifer L. Madden. This counts Original Medicare only and measures volume, not quality.
What is Jennifer L. Madden's NPI number?
1619995388. 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 Jennifer L. Madden, 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 patients775
Services billed to Medicare4,227
Different services or procedures114
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)909 services
  2. X-ray of wrist, minimum of 3 views (73110)435 services
  3. X-ray of finger, minimum of 2 views (73140)370 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)318 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)281 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%
  • Arthritis66%
  • Ischemic heart disease35%
  • Diabetes30%
  • Anxiety29%

Hospitals where Jennifer L. Madden works

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

Group practices

Medicare enrollment lists Jennifer L. Madden as a member of these groups (CMS data updated October 2, 2026).

  • Cora Health Services Inc1,136 clinicians in the group
  • Southeast Orthopedic Specialists LLC145 clinicians in the group

Specialties

Find other Hand Surgery doctors in Florida →

Other hand surgeons in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

All hand surgeons in Florida →

Other clinicians in Cora Health Services Inc

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

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619995388
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