Tammy Chavarria, - Medicare Nurse Practitioner in Oakbrook Terrace, IL

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Tammy Chavarria, is a medicare enrolled "Nurse Practitioner" in Oakbrook Terrace, Illinois. Her current practice location is 2 Transam Plaza Dr Ste 400, Oakbrook Terrace, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 545-3766.

Tammy Chavarria is licensed to practice in Illinois (license number 209005920) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1043677529.

Contact Information

Tammy Chavarria,
2 Transam Plaza Dr Ste 400,
Oakbrook Terrace, IL 60181-4808
(630) 545-3766
(630) 933-7392

Map and Direction




Provider's Profile

Full NameTammy Chavarria
GenderFemale
SpecialityNurse Practitioner
Location2 Transam Plaza Dr Ste 400, Oakbrook Terrace, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1043677529
  • Provider Enumeration Date: 01/28/2016
  • Last Update Date: 01/06/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8628488616
  • Enrollment ID: I20201103000509

Medical Identifiers

Medical identifiers for Tammy Chavarria such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043677529NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WW0101XRegistered Nurse - Women's Health Care, Ambulatory 041303804 (Illinois)Secondary
163WW0101XRegistered Nurse - Women's Health Care, Ambulatory 28172884A (Indiana)Secondary
363LW0102XNurse Practitioner - Women's Health 71002390A (Indiana)Secondary
363LW0102XNurse Practitioner - Women's Health 209005920 (Illinois)Secondary
363L00000XNurse Practitioner 209005920 (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. Tammy Chavarria allows following entities to bill medicare on her behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541

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. Tammy Chavarria 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
Tammy Chavarria,
2 Transam Plaza Dr Ste 400,
Oakbrook Terrace, IL 60181-4808

Ph: (630) 545-3766		Tammy Chavarria,
2 Transam Plaza Dr Ste 400,
Oakbrook Terrace, IL 60181-4808

Ph: (630) 545-3766

Reviews and Comments


Nurse Practitioner Nurses in Oakbrook Terrace, IL

Kionie Abraham,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 2 Transam Plaza Dr Ste 410, Oakbrook Terrace, IL 60181
Phone: 866-259-1631    Fax: 855-618-2629
Sarah Koldenhoven, MSN, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1s450 Summit Ave, Oakbrook Terrace, IL 60181
Phone: 815-258-6540    
Mrs. Tatiana Grier, NP-C
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1s450 Summit Ave Ste 310, Oakbrook Terrace, IL 60181
Phone: 608-763-7560    
Laura Cooper,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1s376 Summit Ave, Oakbrook Terrace, IL 60181
Phone: 331-221-1939    
Gina Kim, NP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1s280 Summit Ave, Court A1, Oakbrook Terrace, IL 60181
Phone: 630-889-9889    
Amina Baloch, APN
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1s376 Summit Ave, Court C Unit 4b, Oakbrook Terrace, IL 60181
Phone: 708-945-4426    
Flordeluz M Leonida, APRN
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1s450 Summit Ave Ste 165, Oakbrook Terrace, IL 60181
Phone: 630-320-6871    

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.