Marielly Sierra Mercado M.D.
About this NPIWhat this record shows.
NPI 1013258482 is registered to Marielly Sierra Mercado M.D., a Endocrinology, Diabetes & Metabolism Physician practising at University District Hospital, Medical Center Bo Monacillos in San Juan, Puerto Rico. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Marielly Sierra Mercado M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2013.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20190214002620EndocrinologyPR
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 Marielly Sierra Mercado M.D. accepts. To confirm in-network status with your specific health plan, contact Marielly Sierra Mercado M.D. directly at (787) 754-0101.
Frequently asked
Yes. NPI 1013258482 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism 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 (787) 754-0101.
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. Marielly Sierra Mercado M.D. is a Type-1 individual NPI.