Greta Guyer MD
Also known as
- Formerly known asFlanagan, Greta Virginia
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1477623775 is registered to Greta Guyer MD, a Endocrinology, Diabetes & Metabolism Physician practising at 500 Poplar St, Suite 202 in South Charleston, West Virginia. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Greta Guyer MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 75 Endocrinology, Diabetes & Metabolism Physician providers on file in West Virginia.
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.
Practitioner
- I20080520000626EndocrinologyWV
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 Greta Guyer MD accepts. To confirm in-network status with your specific health plan, contact Greta Guyer MD directly at (304) 346-2121.
Frequently asked
Yes. NPI 1477623775 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism 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 (304) 346-2121.
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. Greta Guyer MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 75 Endocrinology, Diabetes & Metabolism Physician providers are registered in West Virginia, and Greta Guyer MD is one of them. The figure refreshes each month from the federal source.