Registry data as of Aug 27, 2026

Mary Clay

Registered Nurse · Fairview Heights, IL

Mary Clay is a registered nurse with a practice address in Fairview Heights, Illinois, and NPI 1609563519, issued on Apr 20, 2023. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1609563519
Name
Mary Clay
Primary taxonomy
Registered Nurse 163W00000X
License number
2008007308 MO
Self-reported in NPPES; status is on the state search
Practice location
216 Oulvey Dr, Fairview Heights, IL 62208
Phone
(618) 581-3844
Enumerated
Apr 20, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary Clay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

8 registered nurse records list a Fairview Heights practice address

They are 8 of the 372 NPPES records with a Fairview Heights practice address, and 3,996 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8 in Fairview Heights → All 3,996 in Illinois → Every provider in Fairview Heights →

Other registered nurse records in Illinois

  1. Crystal Aandahl, FNPNorth Chicago, IL1316497068
  2. Hannah Aba, RNLombard, IL1285248765
  3. Rowena Abasolo, A.P.N.Elk Grove Village, IL1891099776
  4. Rashidah Abdullah, CNM, RN, CBC, CLCChicago, IL1043774763
  5. Mercy Abunaw, FNP-CRockford, IL1356888531
  6. Cindy AbundizAddison, IL1831907823
  7. Mohammad Abusaoud, RNOrland Hills, IL1225757750
  8. Heather Ackerman, APRNChatham, IL1740018241
  9. Jean Ackerson, APRN-BCWauconda, IL1932458189
  10. Cecilia Ackmann, APN, CNPChicago, IL1649284357

Common questions

What is Mary Clay's NPI number?

Mary Clay's National Provider Identifier (NPI) is 1609563519, issued on Apr 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mary Clay located?

The NPPES record lists a practice address at 216 Oulvey Dr, Fairview Heights, IL, 62208. Phone: (618) 581-3844. Providers update this record themselves, so call before visiting.

How can I verify Mary Clay's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.