Catherine Gas, FNP-BC
NPI 1538890926 · Family Nurse Practitioner · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Gas, FNP-BC is a Family Nurse Practitioner provider in Oak Lawn, IL (NPI 1538890926).
Provider details
- NPI number
- 1538890926
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 209025059 (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
4 yrs 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
- 2022-06-17
- Last updated
- 2022-10-27
- Certified
- 2022-10-27
Frequently asked questions
- What is Catherine Gas's NPI number?
- Catherine Gas's National Provider Identifier (NPI) is 1538890926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Gas's specialty?
- Catherine Gas is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Gas located?
- Catherine Gas's practice location on file with NPPES is 4440 W 95th St Ste 183, Oak Lawn, IL 60453-2600.
- What is Catherine Gas's phone number?
- The practice phone number listed in the NPPES registry for Catherine Gas is (708) 684-4393.
- Does Catherine Gas accept Medicare?
- Catherine Gas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Gas's NPI active?
- Yes — Catherine Gas's NPI (1538890926) is active in the NPPES registry as of the last update on 2022-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.