Mehmet Sayiner M.D.
About this NPIWhat this record shows.
NPI 1003265422 is registered to Mehmet Sayiner M.D., a Internal Medicine practising at 12500 Willowbrook Rd in Cumberland, Maryland. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Mehmet Sayiner M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2016.
Your brand here.
Medicare enrollment
This provider holds 3 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
- I20190726002761Internal MedicineMD
- I20240521001493HospitalistDC
- I20240606001353HospitalistVA
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 Mehmet Sayiner M.D. accepts. To confirm in-network status with your specific health plan, contact Mehmet Sayiner M.D. directly at (240) 964-7000.
Frequently asked
Yes. NPI 1003265422 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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) 964-7000.
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. Mehmet Sayiner M.D. is a Type-1 individual NPI.