Ryan Williamson MD
About this NPIWhat this record shows.
NPI 1134861560 is registered to Ryan Williamson MD, a Retina Specialist (Ophthalmology) Physician practising at 200 1st St Sw in Rochester, Minnesota. Retina Specialist (Ophthalmology) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ryan Williamson MD has been enumerated in the National Provider Identifier (NPI) registry since 2022.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 22 Retina Specialist (Ophthalmology) Physician providers on file in Minnesota.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Order and Referring Only
- I20220504002195Internal MedicinePA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Ryan Williamson MD accepts. To confirm in-network status with your specific health plan, contact Ryan Williamson MD directly at (507) 284-2511.
Frequently asked
Yes. NPI 1134861560 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Retina Specialist (Ophthalmology) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (507) 284-2511.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Ryan Williamson MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 22 Retina Specialist (Ophthalmology) Physician providers are registered in Minnesota, and Ryan Williamson MD is one of them. The figure refreshes each month from the federal source.