1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Pediatrics
  6. NPI Profile

HERNAN SIERRA FERNANDEZ M.D.
NPI 1104074749
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL

Active since September 08, 2008PECOS Enrolled
840 S WOOD ST, CSB 1262, M/C 856, CHICAGO, IL 60612(312) 355-3282(312) 355-5548 Get Directions Write a Review

NPPES record last updated: May 1, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Hernan Sierra Fernandez M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HERNAN SIERRA FERNANDEZ M.D. (NPI 1104074749) is an individual neonatal-perinatal medicine provider in Chicago, Illinois, licensed in Illinois (036-120314) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1104074749
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameHERNAN SIERRA FERNANDEZCredential: M.D.
Location Address840 S WOOD ST, CSB 1262, M/C 856Chicago, IL 60612-4325
Mailing Address130 N Garland Ct Apt 1703Chicago, IL 60602-4768 · (312) 810-4065
Phone(312) 355-3282
Fax(312) 355-5548
Sole ProprietorYes
Enumeration DateSeptember 8, 2008
Last NPPES UpdateMay 1, 2020
NPPES CertifiedMay 1, 2020
✔ NPI 1104074749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in IL · 036-120314✔ Licensed in CA · A105435
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
840 S WOOD ST, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12525 Chicago AveMinneapolis, MN 55404-4518 · Phone (312) 810-4065
Location 2345 Smith Ave NSaint Paul, MN 55102-2346 · Phone (312) 810-4065

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hernan Sierra Fernandez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KYLE CORSO MORK PHARMD, MBA
Pharmacist (Ambulatory Care)
840 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-6783
DR. ALEXANDER SALIM GEHA MD
Surgery
840 S WOOD ST, SUITE 417 CSB
CHICAGO, IL 60612
Cook County (312) 996-5402
DR. KAREN STEINMETZ PATER PHARMD, BCPS, CDE
Pharmacist (Pharmacotherapy)
840 S WOOD ST, SUITE 163, CSB
CHICAGO, IL 60612
Cook County (312) 996-0870
MISS SHIYUN KIM PHARMD
Pharmacist (Pharmacotherapy)
840 S WOOD ST, SUITE 163 CLINICAL SCIENCES BUILDING
CHICAGO, IL 60612
Cook County (312) 996-5025
OANA CRISTINA DANCIU M.D.
Internal Medicine (Hematology & Oncology)
840 S WOOD ST, MC-713
CHICAGO, IL 60612
Cook County (312) 996-1581
DR. MARY BIGLIN MD
Internal Medicine (Gastroenterology)
840 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-6651
ALICIA CHANG COJULUN MD
Student in an Organized Health Care Education/Training Program
840 S WOOD ST, MC 856
CHICAGO, IL 60612
Cook County (708) 691-0426
ABDUL KHAYYAM MOHAMMED MD
Pathology (Anatomic Pathology)
840 S WOOD ST
CHICAGO, IL 60612
Cook County (331) 300-9864

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hernan Sierra Fernandez's NPI number?

The NPI number for Hernan Sierra Fernandez is 1104074749. It was assigned to this individual provider in the NPPES registry on September 8, 2008.

Where is Hernan Sierra Fernandez located?

Hernan Sierra Fernandez practices at 840 S Wood St Csb 1262, M/C 856, Chicago, IL 60612. The listed phone number is (312) 355-3282.

What is Hernan Sierra Fernandez's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Hernan Sierra Fernandez enrolled in Medicare?

Yes. Hernan Sierra Fernandez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Hernan Sierra Fernandez was last updated on May 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.