Quick answers
- Does Petros E. Carvounis accept Medicare assignment?
- Yes. Medicare's clinician data says Petros E. Carvounis 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 Petros E. Carvounis see?
- In 2024, CMS data shows 751 Original Medicare patients and 34,517 services for Petros E. Carvounis. This counts Original Medicare only and measures volume, not quality.
- What is Petros E. Carvounis's NPI number?
- 1669527537. 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 Petros E. Carvounis, 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 patients | 751 |
|---|---|
| Services billed to Medicare | 34,517 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)28,380 services
- Imaging of retina (92134)1,671 services
- Established patient complete exam of visual system (92014)1,604 services
- Injection of drug into eye (67028)788 services
- Injection, aflibercept, 1 mg (J0178)642 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%
- Arthritis40%
- Ischemic heart disease35%
- Diabetes32%
- Chronic kidney disease24%
Hospitals where Petros E. Carvounis works
Medicare's Facility Affiliation Data lists Petros E. Carvounis 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 HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450358
Practice locations
Addresses where Petros E. Carvounis is enrolled with Medicare (CMS data updated October 2, 2026).
- 6655 Travis St, Suite 560Houston, TX 77030 (713) 637‑4408
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669527537 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians