Nathaniel Koo, - Medicare Surgery in Chicago, IL

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Nathaniel Koo, is a medicare enrolled "Surgery - Pediatric Surgery" physician in Chicago, Illinois. His current practice location is 840 S Wood St, Suite 518-e, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 996-6765.

Nathaniel Koo is licensed to practice in Illinois (license number 036133774) 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 1467626184.

Contact Information

Nathaniel Koo,
840 S Wood St, Suite 518-e,
Chicago, IL 60612-4325
(312) 996-6765
Not Available

Map and Direction




Physician's Profile

Full NameNathaniel Koo
GenderMale
SpecialitySurgery - Pediatric Surgery
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: 1467626184
  • Provider Enumeration Date: 04/14/2008
  • Last Update Date: 04/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0143586404
  • Enrollment ID: I20171102002078

Medical Identifiers

Medical identifiers for Nathaniel Koo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467626184NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0120XSurgery - Pediatric Surgery 036133774 (Illinois)Primary
208600000XSurgery 036133774 (Illinois)Secondary

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. Nathaniel Koo allows following entities to bill medicare on his behalf.
Entity NameBonaventure Medical Foundation Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588775647
PECOS PAC ID: 7517863178
Enrollment ID: O20031212000374
Entity NameRush University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093819542
PECOS PAC ID: 5496658874
Enrollment ID: O20040202000228
Entity NameNorthshore University Healthsystem Faculty Practice Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497701882
PECOS PAC ID: 2163334699
Enrollment ID: O20040524000118
Entity NameShriners Hospitals For Children
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871930693
PECOS PAC ID: 9133031933
Enrollment ID: O20131009001351

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. Nathaniel Koo 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
Nathaniel Koo,
1012 N Wood St Unit 2,
Chicago, IL 60622-3261

Ph: (847) 903-7507		Nathaniel Koo,
840 S Wood St, Suite 518-e,
Chicago, IL 60612-4325

Ph: (312) 996-6765

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.