Karen Ossa M.D.
About this NPIWhat this record shows.
NPI 1801005418 is registered to Karen Ossa M.D., a Internal Medicine practising at 1357 Ave Ashford, Presbyterian Hospital Pmb 423, Suite 2 in San Juan, Puerto Rico. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Karen Ossa M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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
- I20121214000305Internal MedicinePR
- I20160412001574Internal MedicineFL
- I20200408002960Internal MedicineTN
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 Karen Ossa M.D. accepts. To confirm in-network status with your specific health plan, contact Karen Ossa M.D. directly at (787) 999-0204.
Frequently asked
Yes. NPI 1801005418 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 (787) 999-0204.
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. Karen Ossa M.D. is a Type-1 individual NPI.