Dr. Willard B. Cox And Dr. Mark D. Greenstein, PA
About this NPIWhat this record shows.
NPI 1689718025 is registered to Dr. Willard B. Cox And Dr. Mark D. Greenstein, PA, a healthcare organisation classified as "General Practice Dentistry" and located at 7905 Malcolm Rd Ste 104 in Clinton, Maryland. The organisation's authorised official is Mark Greenstein. The organisation has been enumerated in the NPI registry since 2007.
Your brand here.
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 Dr. Willard B. Cox And Dr. Mark D. Greenstein, PA accepts. To confirm in-network status with your specific health plan, contact Dr. Willard B. Cox And Dr. Mark D. Greenstein, PA directly at (301) 868-7228.
Frequently asked
Yes. NPI 1689718025 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 Dentistry 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) 868-7228.
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. Dr. Willard B. Cox And Dr. Mark D. Greenstein, PA is a Type-2 organisational NPI.