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Orthopedic Surgery

Joseph O. Muscat Iv, MD

Works at hospitals in Humble, TX · Texas

Summary

Dr. Joseph O. Muscat Iv, MD is an orthopedic surgeon at 18411 W Lake Houston Pkwy, 550 Orthopedics Atascocita, Humble, TX 77346. Phone: (713) 486-7400. Accepts Medicare assignment. In 2024, Joseph O. Muscat Iv had 397 Original Medicare patients and 3,536 services. NPI 1497743835. 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: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 18411 W Lake Houston Pkwy, 550 Orthopedics Atascocita, Humble, TX 77346 · Directions (3 more locations)
  • Phone: (713) 486‑7400
  • Medicare: Accepts Medicare assignment
  • Hospital: Memorial Hermann Northeast Hospital
  • Group practice: UT Physicians
  • Medical school: University Of Texas Medical School At San Antonio · graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph O. Muscat Iv, 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 O. Muscat Iv accept Medicare assignment?
Yes. Medicare's clinician data says Joseph O. Muscat Iv 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 O. Muscat Iv see?
In 2024, CMS data shows 397 Original Medicare patients and 3,536 services for Joseph O. Muscat Iv. This counts Original Medicare only and measures volume, not quality.
What is Joseph O. Muscat Iv's NPI number?
1497743835. 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 O. Muscat Iv, 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 patients397
Services billed to Medicare3,536
Different services or procedures45
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,078 services
  2. Aspiration and/or injection of fluid from large joint (20610)679 services
  3. Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose (J7323)666 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)355 services
  5. X-ray of knee, 1-2 views (73560)153 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%
  • Ischemic heart disease32%
  • Diabetes29%
  • Atrial fibrillation20%

Hospitals where Joseph O. Muscat Iv works

Medicare's Facility Affiliation Data lists Joseph O. Muscat Iv 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 Joseph O. Muscat Iv is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • UT Physicians1,765 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Texas →

Other orthopedic surgeons in Humble

Clinicians with the same Medicare primary specialty in Humble, TX — not a recommendation.

All orthopedic surgeons in Humble →

Other clinicians in UT Physicians

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497743835
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