NPPES file of Aug 9, 2026

Keith Christensen, APN, FNP

Family Nurse Practitioner · Peru, IL

Keith Christensen, APN, FNP is a family nurse practitioner with a practice address in Peru, Illinois, and NPI 1255844189, issued on Nov 14, 2017. Check the license (Illinois 209.016759, 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
1255844189
Name
Keith Christensen
Credential
APN, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209.016759 IL
Self-reported in NPPES; status is on the state search
Practice location
1650 Midtown RD, Peru, IL 61354
Phone
(815) 664-5311
Enumerated
Nov 14, 2017
Record last updated
Nov 14, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191127001370); 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 1650 Midtown RD

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

  1. Amy CorsoliniFamily Nurse Practitioner1992407738
  2. John Curtin, DOFamily Medicine Physician1346393428
  3. Debra Herz, FNP-BCFamily Nurse Practitioner1275842650
  4. Shannon Hiller, APRNFamily Nurse Practitioner1003572470
  5. Alisha Jackson, FNPFamily Nurse Practitioner1487197745
  6. Robert Koogler, M.D.Occupational Medicine Physician1780821181

Verify Keith Christensen 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 209.016759
    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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61% fewer Medicare Part D claims than the average family nurse practitioner in 2024

510 Medicare Part D claims for 374 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Keith Christensen510
  2. Specialty average1,305

Most prescribed

  1. Prednisone110 claims
  2. Doxycycline Hyclate57 claims
  3. Albuterol Sulfate Hfa46 claims
  4. Sulfamethoxazole-Trimethoprim36 claims
  5. Cephalexin34 claims
  6. Amoxicillin-Clavulanate Potass22 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. Mendota Community HospitalPeru, IL

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

Keith Christensen among 7,639 family nurse practitioner records in Illinois

Keith Christensen, APN, 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
  • Graduated2017 · median 2018 among the 4,778 with a school on file
  • Record last updated2017 · 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).

18 family nurse practitioner records list a practice address in Peru

They are 18 of the 224 NPPES records with a practice address in Peru, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jane Battles, APNPeru, IL 613541356658074
  2. Kayla Carlile, FNP-BCPeru, IL 613541841643137
  3. Debra Herz, FNP-BCPeru, IL 613541275842650
  4. Shannon Hiller, APRNPeru, IL 613541003572470
  5. Alisha Jackson, FNPPeru, IL 613541487197745
  6. Angela Longeville, NPPeru, IL 613541548735988
  7. Laura Oberholz, FNPPeru, IL 613541396110490
  8. Candace Ramirez, APNPeru, IL 613541053087767

Common questions

What is Keith Christensen, APN, FNP's NPI number?

Keith Christensen, APN, FNP's National Provider Identifier (NPI) is 1255844189, issued on Nov 14, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Keith Christensen, APN, FNP located?

The NPPES record lists a practice address at 1650 Midtown RD, Peru, IL, 61354. Phone: (815) 664-5311. Providers update this record themselves, so call before visiting.

How can I verify Keith Christensen, APN, FNP's license?

NPPES lists Illinois license number 209.016759, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Keith Christensen, APN, FNP prescribe under Medicare Part D?

In 2024, Keith Christensen, APN, FNP had 510 Medicare Part D claims for 374 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.