Mary Margaret Lewis MD
About this NPIWhat this record shows.
NPI 1487645750 is registered to Mary Margaret Lewis MD, a Critical Care Medicine (Internal Medicine) Physician practising at 1213 E Clay St in Richmond, Virginia. Critical Care Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mary Margaret Lewis MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
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
- I20040920000237Critical Care (Intensivists)DC
- I20140905000079Critical Care (Intensivists)VA
- I20250523002098Critical Care (Intensivists)MD
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 Mary Margaret Lewis MD accepts. To confirm in-network status with your specific health plan, contact Mary Margaret Lewis MD directly at (804) 828-9071.
Frequently asked
Yes. NPI 1487645750 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Critical Care Medicine (Internal Medicine) 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 (804) 828-9071.
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. Mary Margaret Lewis MD is a Type-1 individual NPI.