Sierrah Grigsby MD, PHD
About this NPIWhat this record shows.
NPI 1336840073 is registered to Sierrah Grigsby MD, PHD, a General Practice practising at 4494 Palmer Rd N in Bethesda, Maryland. General Practice is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sierrah Grigsby MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2023.
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.
Order and Referring Only
- I20231212000113Internal MedicineVA
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 Sierrah Grigsby MD, PHD accepts. To confirm in-network status with your specific health plan, contact Sierrah Grigsby MD, PHD directly at (301) 295-4810.
Frequently asked
Yes. NPI 1336840073 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
General Practice 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 (301) 295-4810.
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. Sierrah Grigsby MD, PHD is a Type-1 individual NPI.