Nikoletta L. Carayannopoulos, DO

Medicare activity in 2024

Official CMS public-use data for Nikoletta L. Carayannopoulos, 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, methylprednisolone acetate, 1 mg (J1010)2,460 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)74 services
3. Aspiration and/or injection of fluid from large joint (20610)51 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 services
5. X-ray of knee, 4 or more views (73564)30 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 cholesterol75%
• High blood pressure73%
• Arthritis69%
• Diabetes38%
• Ischemic heart disease29%
• Chronic kidney disease28%

Hospitals where Nikoletta L. Carayannopoulos works

Medicare's Facility Affiliation Data lists Nikoletta L. Carayannopoulos 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 Houston Healthcare WestHouston, TX · Acute Care Hospital · Medicare rating: 1 of 5 stars · CCN 450644
• Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450820
• Townsen Memorial HospitalHumble, TX · Acute Care Hospital · CCN 670266

Practice locations

Addresses where Nikoletta L. Carayannopoulos is enrolled with Medicare (CMS data updated October 2, 2026).

• 12122 Murphy Rd, Suite B1Stafford, TX 77477 (832) 400‑2426
• 3307 Spring Stuebner Rd, Suite DSpring, TX 77389 (346) 800‑6001
• 4009 Bellaire BlvdHouston, TX 77025
• 4009 Bellaire Blvd, Suite MHouston, TX 77025

Group practices

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

• Action Therapy Centers Limited76 clinicians in the group
• Minivasive Pain Specialists, PLLC28 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Texas →

Other orthopedic surgeons in Texas

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

• Steven E. Nolan, MD
• Wayne O. Alani, MD
• Randal M. Camarillo, MD
• Rachel A. Cuenca, MD
• Megan M. Sorich, DO
• Darrell S. Hanson, MD
• Andre L. Thomas, MD
• Brenton Jennewine, MD

All orthopedic surgeons in Texas →

Other clinicians in Action Therapy Centers Limited

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

• Shilka S. Babu, MD
• Asif M. Chaudhry, MD
• Tony Nguyen, MD
• Adam D. Weglein, DO
• Tam H. Nguyen, DO
• Cheryl J. Vallie, NP

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