IndividualActive
Mary Clay
NPI 1609563519 · Registered Nurse · Fairview Heights, IL
Mary Clay is a Registered Nurse provider in Fairview Heights, IL (NPI 1609563519).
Provider details
- NPI number
- 1609563519
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2008007308 (MO)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
216 Oulvey Dr
Fairview Heights, IL 62208-2923
Phone: (618) 581-3844
Street-level locationGet directions
Mailing address
915 N Grand Blvd
Saint Louis, MO 63106-1621
Registry dates
- Enumerated
- 2023-04-20
- Last updated
- 2023-04-20
- Certified
- 2023-04-20
Frequently asked questions
- What is Mary Clay's NPI number?
- Mary Clay's National Provider Identifier (NPI) is 1609563519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Clay's specialty?
- Mary Clay is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mary Clay located?
- Mary Clay's practice location on file with NPPES is 216 Oulvey Dr, Fairview Heights, IL 62208-2923.
- What is Mary Clay's phone number?
- The practice phone number listed in the NPPES registry for Mary Clay is (618) 581-3844.
- Is Mary Clay's NPI active?
- Yes — Mary Clay's NPI (1609563519) is active in the NPPES registry as of the last update on 2023-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.