Hernan Sierra Fernandez M.D.
About this NPIWhat this record shows.
NPI 1104074749 is registered to Hernan Sierra Fernandez M.D., a Neonatal-Perinatal Medicine Physician practising at 840 S Wood St, Csb 1262, M/C 856 in Chicago, Illinois. Neonatal-Perinatal Medicine Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Hernan Sierra Fernandez M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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
- I20120816000968Pediatric MedicineIL
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 Hernan Sierra Fernandez M.D. accepts. To confirm in-network status with your specific health plan, contact Hernan Sierra Fernandez M.D. directly at (312) 355-3282.
Frequently asked
Yes. NPI 1104074749 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Neonatal-Perinatal Medicine 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 (312) 355-3282.
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. Hernan Sierra Fernandez M.D. is a Type-1 individual NPI.