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Internal Medicine

Joseph Maslak, MD

Works at hospitals in Inverness, FL · Florida

Summary

Dr. Joseph Maslak, MD is an internal medicine doctor at 502 W Highland Blvd, (HCA Florida Citrus Hospital), Inverness, FL 34452. Phone: (352) 726-1551. Accepts Medicare assignment. In 2024, Joseph Maslak had 107 Original Medicare patients and 397 services. NPI 1497754022. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 502 W Highland Blvd, (HCA Florida Citrus Hospital), Inverness, FL 34452 · Directions
  • Phone: (352) 726‑1551
  • Medicare: Accepts Medicare assignment
  • Hospital: HCA Florida Citrus Hospital
  • Group practice: Hospital Medicine Services of Fl, LLC
  • Medical school: graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph Maslak, 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 Maslak accept Medicare assignment?
Yes. Medicare's clinician data says Joseph Maslak 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 Maslak see?
In 2024, CMS data shows 107 Original Medicare patients and 397 services for Joseph Maslak. This counts Original Medicare only and measures volume, not quality.
What is Joseph Maslak's NPI number?
1497754022. 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 Maslak, 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 patients107
Services billed to Medicare397
Different services or procedures6
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)133 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)130 services
  3. Hospital discharge day management, more than 30 minutes (99239)68 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)60 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%
  • Chronic kidney disease56%
  • Ischemic heart disease55%
  • Arthritis49%
  • Anxiety48%

Hospitals where Joseph Maslak works

Medicare's Facility Affiliation Data lists Joseph Maslak 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.

  • HCA Florida Citrus HospitalInverness, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100023

Practice locations

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

  • 502 W Highland Blvd, (HCA Florida Citrus Hospital)Inverness, FL 34452 (352) 726‑1551

Group practices

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

  • Hospital Medicine Services of Fl, LLC507 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Inverness

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

All internal medicine doctors in Inverness →

Other clinicians in Hospital Medicine Services of Fl, LLC

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

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497754022
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