Douglas Mayson MD
About this NPIWhat this record shows.
NPI 1821226622 is registered to Douglas Mayson MD, a Vascular Neurology Physician practising at 3800 Reservoir Rd Nw, Georgetown University Hospital - Phc7 in Washington, Washington DC. Vascular Neurology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Douglas Mayson MD has been enumerated in the National Provider Identifier (NPI) registry since 2009.
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
- 03748450NY
Source: NPPES public registry.
Medicare enrollment
This provider holds 3 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
- I20140110000313NeurologyNY
- I20140905000797NeurologyDC
- I20150203000433NeurologyMD
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 Douglas Mayson MD accepts. To confirm in-network status with your specific health plan, contact Douglas Mayson MD directly at (617) 999-7524.
Frequently asked
Yes. NPI 1821226622 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Vascular Neurology 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 (617) 999-7524.
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. Douglas Mayson MD is a Type-1 individual NPI.