Carmen M. Perez Masuelli, MD

Medicare activity in 2024

Official CMS public-use data for Carmen M. Perez Masuelli, 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.

Most frequent services

1. Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)96,000 services
2. Injection, tocilizumab, 1 mg (J3262)61,584 services
3. Injection, golimumab, 1 mg, for intravenous use (J1602)16,693 services
4. Injection, denosumab, 1 mg (J0897)10,020 services
5. Injection, romosozumab-aqqg, 1 mg (J3111)9,660 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%
• Osteoporosis52%
• Ischemic heart disease34%
• Diabetes28%

Hospitals where Carmen M. Perez Masuelli works

Medicare's Facility Affiliation Data lists Carmen M. Perez Masuelli 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.

• Houston Methodist The Woodlands HospitalThe Woodlands, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670122
• Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
• TOPS Surgical Specialty HospitalHouston, TX · Acute Care Hospital · CCN 450774

Practice locations

Addresses where Carmen M. Perez Masuelli is enrolled with Medicare (CMS data updated October 2, 2026).

• 129 Vision Park Blvd, Suite 206Shenandoah, TX 77384 (281) 315‑8130

Group practices

Medicare enrollment lists Carmen M. Perez Masuelli as a member of this group (CMS data updated October 2, 2026).

• Rheumatology Partners of Houston, PLLC5 clinicians in the group

Specialties

• Rheumatologyprimary
• Internal Medicinealso

Find other Rheumatology doctors in Texas →

Other rheumatologists in Shenandoah

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

• Leslie E. Wilson, MD
• Tonya C. Cockrill, MD
• Enrique Medina Ortiz, MD
• Kalpita M. Hatti, MD
• Emily W. Hung, MD
• Holly B. Smith, MD
• Matxalen Amezaga Urruela, MD

All rheumatologists in Shenandoah →

Other clinicians in Rheumatology Partners of Houston, PLLC

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

• Leslie E. Wilson, MD
• Kalpita M. Hatti, MD
• Anay Vallejo, PA
• Elizabeth J. Stapper, PA

Clinician information

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