Ryan Constantine M.D., PHD
About this NPIWhat this record shows.
NPI 1932527199 is registered to Ryan Constantine M.D., PHD, a Retina Specialist (Ophthalmology) Physician practising at 300 State St in Erie, Pennsylvania. Retina Specialist (Ophthalmology) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ryan Constantine M.D., PHD has been enumerated in the National Provider Identifier (NPI) registry since 2014.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments 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.
Practitioner
- I20200831000733OphthalmologyOR
- I20260225003212OphthalmologyPA
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 Constantine M.D., PHD accepts. To confirm in-network status with your specific health plan, contact Ryan Constantine M.D., PHD directly at (814) 456-4241.
Frequently asked
Yes. NPI 1932527199 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 (814) 456-4241.
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 Constantine M.D., PHD is a Type-1 individual NPI.