NPPES file of Aug 9, 2026

Amber Marie Geilhausen, FNP

Family Nurse Practitioner · Staunton, IL

Amber Marie Geilhausen, FNP is a family nurse practitioner with a practice address in Staunton, Illinois, and NPI 1891233292, issued on Feb 6, 2017. Check the license (Illinois 209015448, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891233292
Name
Amber Marie Geilhausen
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209015448 IL
Self-reported in NPPES; status is on the state search
Practice location
325 N Caldwell St, Staunton, IL 62088
Phone
(618) 635-2221
Enumerated
Feb 6, 2017
Record last updated
Apr 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(618) 635-2269
Medicare enrollment
Enrolled (PECOS I20250507000822); accepts Medicare assignment
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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Also registered at 325 N Caldwell St

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

  1. Josh Buschling, D.O.Family Medicine Physician1841654712
  2. Emerito Ureta, MDFamily Medicine Physician1558441394
  3. Ajin Varghese, FNP-CFamily Nurse Practitioner1932825726

Verify Amber Marie Geilhausen 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 209015448
    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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2.8 times the Medicare Part D claims of the average family nurse practitioner in 2024

3,598 Medicare Part D claims for 274 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 34 claims were for opioids.

  1. Amber Geilhausen3,598
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium220 claims
  2. Lisinopril146 claims
  3. Losartan Potassium121 claims
  4. Levothyroxine Sodium109 claims
  5. Gabapentin100 claims
  6. Omeprazole94 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $355.91

19 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amber Geilhausen$355.91
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Amber Marie Geilhausen among 7,639 family nurse practitioner records in Illinois

Amber Marie Geilhausen, FNP 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 2017, is newer than 37% of them.

  • NPI issued2017 · 37% of these records are older, 56% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2016 · median 2018 among the 4,778 with a school on file
  • Record last updated2020 · 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).

4 family nurse practitioner records list a practice address in Staunton

They are 4 of the 37 NPPES records with a practice address in Staunton, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Tonya Darr, NPStaunton, IL 620881740286103
  2. Mia Rhodes, FNPStaunton, IL 620881780317016
  3. Ajin Varghese, FNP-CStaunton, IL 620881932825726
  4. Katie Frazier, FNP-BCRoxana, IL 620841871980755
  5. Christina Vanmeter, FNPRoodhouse, IL 620821649826603
  6. Natalie Williams, NPRoodhouse, IL 620821144852203
  7. Angelina Leitschuh, NPWood River, IL 620951508343161
  8. Jami Mayhew, N.P.Wood River, IL 620951922280254

Common questions

What is Amber Marie Geilhausen, FNP's NPI number?

Amber Marie Geilhausen, FNP's National Provider Identifier (NPI) is 1891233292, issued on Feb 6, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Amber Marie Geilhausen, FNP located?

The NPPES record lists a practice address at 325 N Caldwell St, Staunton, IL, 62088. Phone: (618) 635-2221. Providers update this record themselves, so call before visiting.

How can I verify Amber Marie Geilhausen, FNP's license?

NPPES lists Illinois license number 209015448, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Amber Marie Geilhausen, FNP prescribe under Medicare Part D?

In 2024, Amber Marie Geilhausen, FNP had 3,598 Medicare Part D claims for 274 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.

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.