Thayer Phelan MD
About this NPIWhat this record shows.
NPI 1821209354 is registered to Thayer Phelan MD, a Emergency Medicine practising at 1501 N Williamson Ave in Winslow, Arizona. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Thayer Phelan MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 09892LA
Source: NPPES public registry.
Medicare enrollment
This provider holds 5 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
- I20131210000592Emergency MedicineME
- I20140424000797Emergency MedicineCO
- I20190920000604Emergency MedicineIL
- I20250120000700Emergency MedicineAZ
- I20251124003515Emergency MedicineIN
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 Thayer Phelan MD accepts. To confirm in-network status with your specific health plan, contact Thayer Phelan MD directly at (928) 289-4691.
Frequently asked
Yes. NPI 1821209354 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine 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 (928) 289-4691.
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. Thayer Phelan MD is a Type-1 individual NPI.