Erika Villanueva, - Medicare Dietitian in Oak Lawn, IL

Erika Villanueva, is a medicare enrolled "Dietitian, Registered" provider in Oak Lawn, Illinois. She went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 2023 and has 3 years of diverse experience with area of expertise as Registered Dietitian Or Nutrition Professional. She is a member of the group practice Advocate Health And Hospitals Corporation and her current practice location is 9555 S 52nd Ave, Oak Lawn, Illinois. You can reach out to her office (for appointments etc.) via phone at (708) 634-0950.

Erika Villanueva is licensed to practice in Illinois (license number 164011105) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1053202168.

Contact Information

Erika Villanueva,
9555 S 52nd Ave,
Oak Lawn, IL 60453-3054
(708) 634-0950
(708) 422-8225

Map and Direction




Healthcare Provider's Profile

Full NameErika Villanueva
GenderFemale
SpecialityRegistered Dietitian Or Nutrition Professional
Experience3 Years
Location9555 S 52nd Ave, Oak Lawn, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Erika Villanueva attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2023
  NPI Data:
  • NPI Number: 1053202168
  • Provider Enumeration Date: 07/15/2025
  • Last Update Date: 12/16/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 5092292649
  • Enrollment ID: I20260126000453

Medical Identifiers

Medical identifiers for Erika Villanueva such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053202168NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered 164011105 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advocate Health And Hospitals Corporation78108009353081

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. Erika Villanueva allows following entities to bill medicare on her behalf.
Provider NameAdvocate Health and Hospitals Corporation
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1700824455
PECOS PAC ID: 7810800935
Enrollment ID: O20031106000064

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. Erika Villanueva 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
Erika Villanueva,
29373 Network Pl,
Chicago, IL 60673-1293

Ph: (847) 390-5900
Erika Villanueva,
9555 S 52nd Ave,
Oak Lawn, IL 60453-3054

Ph: (708) 634-0950

Reviews and Comments


Dietitian, Registered in Oak Lawn, IL

Kimberly Maria O'shaughnessy, MS, RD, LDN
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 9816 Mayfield Ave, Oak Lawn, IL 60453
Phone: 773-401-6605    
Ms. Janel C. Hayden, R.D., LDN
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 4440 W 95th St, Oak Lawn, IL 60453
Phone: 708-684-3033    Fax: 708-684-4485
Miss Natalie Caitlyn Eubank, RD, LDN
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Medicare: Not Enrolled in Medicare
Practice Location: 4440 W 95th St, Oak Lawn, IL 60453
Phone: 708-684-1490    
Karina Villeda, RDN
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Medicare: Not Enrolled in Medicare
Practice Location: 9624 S Cicero Ave # 294, Oak Lawn, IL 60453
Phone: 708-305-4402    
Catherine Ward,
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Medicare: Not Enrolled in Medicare
Practice Location: 4440 W 95th St, Oak Lawn, IL 60453
Phone: 708-684-1339    
Alissa Fay Bedtke, LDN
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 4440 W 95th St, Oak Lawn, IL 60453
Phone: 708-684-3001    
Shelby Ronzio,
Dietitian
Medicare: Medicare Enrolled
Practice Location: 4440 W 95th St, Oak Lawn, IL 60453
Phone: 708-684-1490    Fax: 708-520-1282

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.