Ericka Marek, FNP-C
NPI 1215739040 · Family Nurse Practitioner · Willowbrook, IL
Ericka Marek, FNP-C is a Family Nurse Practitioner provider in Willowbrook, IL (NPI 1215739040).
Provider details
- NPI number
- 1215739040
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 209032000 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2025-03-25
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Ericka Marek's NPI number?
- Ericka Marek's National Provider Identifier (NPI) is 1215739040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ericka Marek's specialty?
- Ericka Marek is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ericka Marek located?
- Ericka Marek's practice location on file with NPPES is 40 75th St, Willowbrook, IL 60527-2325.
- What is Ericka Marek's phone number?
- The practice phone number listed in the NPPES registry for Ericka Marek is (630) 581-5372.
- Is Ericka Marek's NPI active?
- Yes — Ericka Marek's NPI (1215739040) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.