NPPES file of Aug 9, 2026

Allison N. Smith, MSN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · O Fallon, IL

Allison N. Smith, MSN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in O Fallon, Illinois, and NPI 1821805011, issued on Dec 12, 2024. Check the license (Illinois 209031884, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821805011
Name
Allison N. Smith
Credential
MSN, PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
209031884 IL
2024042847 MO
Self-reported in NPPES; status is on the state search
Practice location
791 Wall St, O Fallon, IL 62269
Phone
(283) 223-7997
Enumerated
Dec 12, 2024
Record last updated
May 12, 2026
Medicare enrollment
Enrolled (PECOS I20250319000822); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 1,530 in Illinois → Look up another NPI →

Also registered at 791 Wall St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rachel Morgan, LCSWClinical Social Worker1649681677
  2. Lynn Underwood, MA, LCPCProfessional Counselor1700353679

Verify Allison N. Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209031884    Check 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.

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Bills Medicare through one group practice

  1. St. Louis Behavioral Medicine Institute IncSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Allison N. Smith among 1,530 psychiatric/mental health nurse practitioner records in Illinois

Allison N. Smith, MSN, PMHNP-BC is one of 1,530 psychiatric/mental health nurse practitioner records with a practice address in Illinois. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 67% of them.

  • NPI issued2024 · 67% of these records are older, 23% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2024 · median 2021 among the 917 with a school on file
  • Record last updated2026 · 17% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Illinois

There are 1,530 psychiatric/mental health nurse practitioner records in Illinois.

All 1,530 in Illinois → Every provider in O Fallon → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Gerthy Cipus PierreO Fallon, IL 622691083126353
  2. Madelyn Hindia, APRNO Fallon, IL 622691417725623
  3. Tracey Kreipe, DNP, PMHNP-BCO Fallon, IL 622691952699811
  4. Jennifer Schenck, PMHNP, RNO Fallon, IL 622691184605834
  5. Katie Milton, APRNPinckneyville, IL 622741346017308
  6. Jennifer Knott, RNRed Bud, IL 622781780538538
  7. Laura Meade, PMHNP-BCRed Bud, IL 622781417502253
  8. Shirlisa LoveMenard, IL 622591104691815

Common questions

What is Allison N. Smith, MSN, PMHNP-BC's NPI number?

Allison N. Smith, MSN, PMHNP-BC's National Provider Identifier (NPI) is 1821805011, issued on Dec 12, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Allison N. Smith, MSN, PMHNP-BC located?

The NPPES record lists a practice address at 791 Wall St, O Fallon, IL, 62269. Phone: (283) 223-7997. Providers update this record themselves, so call before visiting.

How can I verify Allison N. Smith, MSN, PMHNP-BC's license?

NPPES lists Illinois license number 209031884, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.