DR. RAMAKRISHNA RATNAKARAM MD
NPI 1780624577
Ophthalmology in Williamsville, NY
About Dr. Ramakrishna Ratnakaram Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAMAKRISHNA RATNAKARAM MD (NPI 1780624577) is an individual ophthalmology provider in Williamsville, New York, licensed in New York (257002) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ramakrishna Ratnakaram Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ramakrishna Ratnakaram reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 676 clinicians in this Medicare group
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 134 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ramakrishna Ratnakaram's NPI number?
The NPI number for Ramakrishna Ratnakaram is 1780624577. It was assigned to this individual provider in the NPPES registry on June 8, 2006. The provider is also known as Ramakrishna Lva Ratnakaram.
Where is Ramakrishna Ratnakaram located?
Ramakrishna Ratnakaram practices at 6637 Main St, Williamsville, NY 14221. The listed phone number is (716) 632-1595.
What is Ramakrishna Ratnakaram's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Ramakrishna Ratnakaram enrolled in Medicare?
Yes. Ramakrishna Ratnakaram is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ramakrishna Ratnakaram's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramakrishna Ratnakaram reassigns Medicare benefits to 2 organizations: Kaleida Health (Williamsville, NY) and Ophthalmic Consultants Of Long Island (Rockville Centre, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ramakrishna Ratnakaram's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ramakrishna Ratnakaram accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Ramakrishna Ratnakaram as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ramakrishna Ratnakaram was last updated on February 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Ramakrishna Ratnakaram, MD · NPI 1780624577
Ophthalmology physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since June 8, 2006.
## Identity
- **NPI:** 1780624577 (Entity type: Individual)
- **Enumerated:** June 8, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 257002 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 6637 MAIN ST, Williamsville, NY 14221-5974
- **Phone:** (716) 632-1595 · **Fax:** (716) 204-4895
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Kaleida Health (NPI 1053441907, Williamsville, NY); Ophthalmic Consultants Of Long Island (NPI 1285675660, Rockville Centre, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** February 8, 2011
- **Other identifiers:** Medicare UPIN H94812; Medicaid 03235325 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1780624577) · Data from the CMS NPPES public registry.