Marc Herwitz OD
About this NPIWhat this record shows.
NPI 1023088879 is registered to Marc Herwitz OD, a Optometrist practising at 8901 Rockville Pike in Bethesda, Maryland. Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Marc Herwitz OD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- I20170110002189OptometryMD
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 Marc Herwitz OD accepts. To confirm in-network status with your specific health plan, contact Marc Herwitz OD directly at (301) 319-7001.
Frequently asked
Yes. NPI 1023088879 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Optometrist 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) 319-7001.
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. Marc Herwitz OD is a Type-1 individual NPI.