Mark Dy-Liacco MD
About this NPIWhat this record shows.
NPI 1366488850 is registered to Mark Dy-Liacco MD, a Surgery practising at 5555 W Las Positas Blvd in Pleasanton, California. Surgery is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Dy-Liacco MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Medicare enrollment
This provider holds 5 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
- I20060411000429Critical Care (Intensivists)IL
- I20170508000013General SurgeryNC
- I20210312000217General SurgeryNY
- I20220706003717General SurgeryID
- I20240807004475General SurgeryCA
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 Mark Dy-Liacco MD accepts. To confirm in-network status with your specific health plan, contact Mark Dy-Liacco MD directly at (925) 416-3440.
Frequently asked
Yes. NPI 1366488850 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgery 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 (925) 416-3440.
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. Mark Dy-Liacco MD is a Type-1 individual NPI.