NPPES file of Aug 9, 2026

Sierra S. Hiestand

Family Nurse Practitioner · Mount Vernon, IL

Sierra S. Hiestand is a family nurse practitioner with a practice address in Mount Vernon, Illinois, and NPI 1689569246, issued on Jun 12, 2025. Check the license (Illinois 209.032507, 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
1689569246
Name
Sierra S. Hiestand
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209.032507 IL
Self-reported in NPPES; status is on the state search
Practice location
4103 S Water Tower PL, Mount Vernon, IL 62864
Phone
(618) 899-3500
Enumerated
Jun 12, 2025
Record last updated
Jun 12, 2025
Medicare enrollment
Enrolled (PECOS I20250624002411); 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 family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Verify Sierra S. Hiestand 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 209.032507    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

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Bills Medicare through one group practice

  1. Physician Services Corporation OF Southern Illinois IncMount Vernon, IL

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

Sierra S. Hiestand among 7,639 family nurse practitioner records in Illinois

Sierra S. Hiestand is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 91% of them.

  • NPI issued2025 · 91% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2025 · median 2018 among the 4,778 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 family nurse practitioner records list a practice address in Mount Vernon

They are 39 of the 578 NPPES records with a practice address in Mount Vernon, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Mount Vernon → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Nicole Boyd, FNP-BCMount Vernon, IL 628641710439112
  2. Tamara CopelandMount Vernon, IL 628641295192805
  3. Melanie Cross, FNPMount Vernon, IL 628641093197410
  4. Alicia DavisMount Vernon, IL 628641437506722
  5. Amanda Engele, FNP-CMount Vernon, IL 628641033580873
  6. Johanna Estes, RD, IBCLC, MSNFNP-CMount Vernon, IL 628641558685156
  7. Kristina Hastings, FNP-BCMount Vernon, IL 628641760882385
  8. Nancy Kertz, NPMount Vernon, IL 628641063424836

Common questions

What is Sierra S. Hiestand's NPI number?

Sierra S. Hiestand's National Provider Identifier (NPI) is 1689569246, issued on Jun 12, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Sierra S. Hiestand located?

The NPPES record lists a practice address at 4103 S Water Tower PL, Mount Vernon, IL, 62864. Phone: (618) 899-3500. Providers update this record themselves, so call before visiting.

How can I verify Sierra S. Hiestand's license?

NPPES lists Illinois license number 209.032507, 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.