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Ophthalmology

Ramakrishna Ratnakaram, MD

Sees patients in Williamsville, NY · New York

Summary

Dr. Ramakrishna Ratnakaram, MD is an ophthalmologist at 6637 Main St, Williamsville, NY 14221. Phone: (716) 632-1595. Accepts Medicare assignment. In 2024, Ramakrishna Ratnakaram had 736 Original Medicare patients and 9,745 services. NPI 1780624577. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 6637 Main St, Williamsville, NY 14221 · Directions
  • Phone: (716) 632‑1595
  • Medicare: Accepts Medicare assignment
  • Group practice: Ophthalmic Consultants of Long Island
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ramakrishna Ratnakaram, 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 Ramakrishna Ratnakaram accept Medicare assignment?
Yes. Medicare's clinician data says Ramakrishna Ratnakaram 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 Ramakrishna Ratnakaram see?
In 2024, CMS data shows 736 Original Medicare patients and 9,745 services for Ramakrishna Ratnakaram. This counts Original Medicare only and measures volume, not quality.
What is Ramakrishna Ratnakaram's NPI number?
1780624577. 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 Ramakrishna Ratnakaram, 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 patients736
Services billed to Medicare9,745
Different services or procedures37
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Imaging of retina (92134)1,274 services
  2. Injection of drug into eye (67028)885 services
  3. Injection, aflibercept, 1 mg (J0178)682 services
  4. Established patient complete exam of visual system (92014)511 services
  5. Injection, bevacizumab, 10 mg (J9035)507 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%
  • Arthritis45%
  • Diabetes40%
  • Chronic kidney disease40%
  • Ischemic heart disease32%

Practice locations

Addresses where Ramakrishna Ratnakaram is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ramakrishna Ratnakaram as a member of this group (CMS data updated October 2, 2026).

  • Ophthalmic Consultants of Long Island105 clinicians in the group

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in Williamsville

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

All ophthalmologists in Williamsville →

Other clinicians in Ophthalmic Consultants of Long Island

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

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780624577
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians