IndividualActive
Marissa Wuilliez
NPI 1659214757 · Physician Assistant · Bellwood, IL
Marissa Wuilliez is a Physician Assistant provider in Bellwood, IL (NPI 1659214757).
Provider details
- NPI number
- 1659214757
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4009 Warren Ave
Bellwood, IL 60104-2066
Phone: (708) 343-8960
Street-level locationGet directions
Mailing address
103 Macarthur Dr Apt 4422
Willowbrook, IL 60527-1981
Additional practice locations (1)
- 153 1/2 Broadway StMelrose Park, IL 60160-3702Phone: (708) 345-8960
Registry dates
- Enumerated
- 2026-04-13
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Marissa Wuilliez's NPI number?
- Marissa Wuilliez's National Provider Identifier (NPI) is 1659214757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Wuilliez's specialty?
- Marissa Wuilliez is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Wuilliez located?
- Marissa Wuilliez's practice location on file with NPPES is 4009 Warren Ave, Bellwood, IL 60104-2066.
- What is Marissa Wuilliez's phone number?
- The practice phone number listed in the NPPES registry for Marissa Wuilliez is (708) 343-8960.
- Is Marissa Wuilliez's NPI active?
- Yes — Marissa Wuilliez's NPI (1659214757) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.