Hernan Sierra Fernandez, MD - Medicare Pediatrics in Chicago, IL

Hernan Sierra Fernandez, MD is a medicare enrolled "Pediatrics - Neonatal-perinatal Medicine" physician in Chicago, Illinois. His current practice location is 840 S Wood St, Csb 1262, M/c 856, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 355-3282.

Hernan Sierra Fernandez is licensed to practice in Illinois (license number 036-120314) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1104074749.

Contact Information

Hernan Sierra Fernandez, MD
840 S Wood St, Csb 1262, M/c 856,
Chicago, IL 60612-4325
(312) 355-3282
(312) 355-5548

Map and Direction




Physician's Profile

Full NameHernan Sierra Fernandez
GenderMale
SpecialityPediatrics - Neonatal-perinatal Medicine
Location840 S Wood St, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1104074749
  • Provider Enumeration Date: 09/08/2008
  • Last Update Date: 05/01/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2264688688
  • Enrollment ID: I20120816000968

Medical Identifiers

Medical identifiers for Hernan Sierra Fernandez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104074749NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080N0001XPediatrics - Neonatal-perinatal Medicine A105435 (California)Secondary
2080N0001XPediatrics - Neonatal-perinatal Medicine 036-120314 (Illinois)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Hernan Sierra Fernandez allows following entities to bill medicare on his behalf.
Entity NameRockford Health Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043242886
PECOS PAC ID: 2567374036
Enrollment ID: O20031103000584
Entity NameThe Board Of Trustees Of The University Of Illinois
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386863819
PECOS PAC ID: 3072422716
Enrollment ID: O20031112000158
Entity NameRush University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093819542
PECOS PAC ID: 5496658874
Enrollment ID: O20040202000228

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Hernan Sierra Fernandez is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Hernan Sierra Fernandez, MD
130 N Garland Ct Apt 1703,
Chicago, IL 60602-4768

Ph: (312) 810-4065
Hernan Sierra Fernandez, MD
840 S Wood St, Csb 1262, M/c 856,
Chicago, IL 60612-4325

Ph: (312) 355-3282

Reviews and Comments


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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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