Alex B. Theventhiran, MD

Medicare activity in 2024

Official CMS public-use data for Alex B. Theventhiran, 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. Established patient complete exam of visual system (92014)284 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)219 services
3. Exam of the internal drainage system of eye (92020)209 services
4. Imaging of optic nerve (92133)139 services
5. Exam of visual field with extended testing (92083)118 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 cholesterol66%
• Diabetes57%
• Chronic kidney disease31%
• Arthritis30%
• Ischemic heart disease24%

Hospitals where Alex B. Theventhiran works

Medicare's Facility Affiliation Data lists Alex B. Theventhiran 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.

• Montefiore Medical CenterBronx, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330059

Practice locations

Addresses where Alex B. Theventhiran is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 E 210th StBronx, NY 10467
• 3400 Bainbridge AveBronx, NY 10467 (914) 378‑6148

Group practices

Medicare enrollment lists Alex B. Theventhiran as a member of this group (CMS data updated October 2, 2026).

• Montefiore Medical Center2,820 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in New York →

Other ophthalmologists in Bronx

Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.

• Cheng Zhang, MD
• Brian G. Brazzo, MD
• Wen-Jeng M. Yao, MD
• Ryan W. Rogers, MD
• Matthew S. Wieder, MD
• Henry C. Oksman, MD
• David S. Ketner Jr., MD
• Guillermo Gallardo, MD

All ophthalmologists in Bronx →

Other clinicians in Montefiore Medical Center

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

• Kelly E. Harmon, MD
• Chalese Richardson-Olivier, MD
• Eugene L. Palatulan, MD
• Qi Li
• Trisha M. Groff
• Nicholas E. Darrow

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