Dr. Timothy O'leary MD, PHD
About this NPIWhat this record shows.
NPI 1003899873 is registered to Dr. Timothy O'leary MD, PHD, a Anatomic Pathology Physician practising at 4755 Camp Roosevelt Drive in Chesapeake Beach, Maryland. Anatomic Pathology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Timothy O'leary MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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. Timothy O'leary MD, PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Timothy O'leary MD, PHD directly at (240) 460-0271.
Frequently asked
Yes. NPI 1003899873 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anatomic Pathology 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 (240) 460-0271.
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. Timothy O'leary MD, PHD is a Type-1 individual NPI.