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Orthopedic Surgery

Joseph A. Dalonzo Jr., DO

Works at hospitals in Riverview, FL · Tampa, FL · Zephyrhills, FL … · Florida

Summary

Dr. Joseph A. Dalonzo Jr., DO is an orthopedic surgeon at 4725 US Hwy 98 S, Suite 101 102, Lakeland, FL 33812. Phone: (813) 978-9700. Accepts Medicare assignment. In 2024, Joseph A. Dalonzo Jr. had 202 Original Medicare patients and 464 services. NPI 1942706973. 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 Joseph A. Dalonzo Jr., 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 Joseph A. Dalonzo Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Joseph A. Dalonzo Jr. 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 Joseph A. Dalonzo Jr. see?
In 2024, CMS data shows 202 Original Medicare patients and 464 services for Joseph A. Dalonzo Jr.. This counts Original Medicare only and measures volume, not quality.
What is Joseph A. Dalonzo Jr.'s NPI number?
1942706973. 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 Joseph A. Dalonzo Jr., 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 patients202
Services billed to Medicare464
Different services or procedures44
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Replacement of knee joint, both sides of knee (27447)57 services
  2. Replacement of thigh bone and hip joint with prosthesis (27130)35 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)33 services
  4. X-ray of knee, 4 or more views (73564)30 services
  5. Aspiration and/or injection of fluid from large joint (20610)26 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%
  • Arthritis75%
  • Depression40%
  • Anxiety39%
  • Ischemic heart disease38%

Hospitals where Joseph A. Dalonzo Jr. works

Medicare's Facility Affiliation Data lists Joseph A. Dalonzo Jr. 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.

  • AdventHealth RiverviewRiverview, FL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 100364
  • AdventHealth TampaTampa, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100173
  • Adventhealth ZephyrhillsZephyrhills, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100046
  • HCA Florida Brandon HospitalBrandon, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100243
  • Lakeland Regional Medical CenterLakeland, FL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 100157

Practice locations

Addresses where Joseph A. Dalonzo Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph A. Dalonzo Jr. as a member of this group (CMS data updated October 2, 2026).

  • Tallahassee Orthopedic Clinic III Pl553 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Florida →

Other orthopedic surgeons in Lakeland

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

All orthopedic surgeons in Lakeland →

Other clinicians in Tallahassee Orthopedic Clinic III Pl

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942706973
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