NPPES file of Aug 9, 2026

Susan K. Allen, ACNP

Acute Care Nurse Practitioner · Springfield, IL

Susan K. Allen, ACNP is an acute care nurse practitioner with a practice address in Springfield, Illinois, and NPI 1760631683, issued on Sep 16, 2008. Check the license (Illinois 209007253, 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
1760631683
Name
Susan K. Allen
Credential
ACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
209007253 IL
Self-reported in NPPES; status is on the state search
Practice location
619 E Mason St, Springfield, IL 62701
Phone
(217) 788-0706
Enumerated
Sep 16, 2008
Record last updated
Sep 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(217) 525-2535
Medicare enrollment
Enrolled (PECOS I20081008000534); 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 619 E Mason St

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

  1. Frank Aguirre, M.D.Interventional Cardiology Physician1265513717
  2. Carl Arentzen, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1033190814
  3. Jennifer Black, N.P.Adult Health Nurse Practitioner1174607576
  4. Melissa Clark, PA-CPhysician Assistant1598776882
  5. Margie DouglasAdult Health Nurse Practitioner1154623585
  6. George Eigbire, M.D.Interventional Cardiology Physician1093165367

Verify Susan K. Allen 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 209007253
    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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40% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

355 Medicare Part D claims for 188 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 47 claims were for opioids.

  1. Susan Allen355
  2. Specialty average594

Most prescribed

  1. Prednisone70 claims
  2. Hydrocodone-Acetaminophen35 claims
  3. Cephalexin27 claims
  4. Ondansetron Odt19 claims
  5. Doxycycline Monohydrate17 claims
  6. Azithromycin14 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.

Bills Medicare through one group practice

  1. Passavant Memorial Area Hospital AssociationJacksonville, IL

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

Susan K. Allen among 639 acute care nurse practitioner records in Illinois

Susan K. Allen, ACNP is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 10% of them.

  • NPI issued2008 · 10% of these records are older, 85% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2008 · median 2017 among the 434 with a school on file
  • Record last updated2008 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Illinois

There are 639 acute care nurse practitioner records in Illinois.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Pamela Lomeli, APNSpringfield, IL 627011487288171
  2. Jessica Lucca, AGACNP-BCSpringfield, IL 627011265827729
  3. Dawn Winebright, APRNSpringfield, IL 627011285214130
  4. Mary Atwood, R.N., ACNPSpringfield, IL 627021811945314
  5. Leighanne Bonnett, APRNSpringfield, IL 627021083470983
  6. Stacey Graven, ACNP-BCSpringfield, IL 627021881840791
  7. Madeleine Heckenkamp, APRN, CNPSpringfield, IL 627021063818094
  8. Kathleen Montgomery, MSN, APRN, AGACNP-BCSpringfield, IL 627021346832011

Common questions

What is Susan K. Allen, ACNP's NPI number?

Susan K. Allen, ACNP's National Provider Identifier (NPI) is 1760631683, issued on Sep 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Susan K. Allen, ACNP located?

The NPPES record lists a practice address at 619 E Mason St, Springfield, IL, 62701. Phone: (217) 788-0706. Providers update this record themselves, so call before visiting.

How can I verify Susan K. Allen, ACNP's license?

NPPES lists Illinois license number 209007253, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Susan K. Allen, ACNP prescribe under Medicare Part D?

In 2024, Susan K. Allen, ACNP had 355 Medicare Part D claims for 188 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.