NPPES file of Aug 9, 2026

Christopher J. Osier, PA-C

Physician Assistant · Chariton, IA

Christopher J. Osier, PA-C is a physician assistant with a practice address in Chariton, Iowa, and NPI 1275513350, issued on Jan 17, 2006. Check the license (Iowa 001160, as entered in NPPES) with the Iowa 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
1275513350
Name
Christopher J. Osier
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
001160 IA
Self-reported in NPPES; status is on the state search
Practice location
1200 N 7TH St, Chariton, IA 50049
Phone
(641) 774-8103
Enumerated
Jan 17, 2006
Record last updated
Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(641) 774-8087
Medicare enrollment
Enrolled (PECOS I20070709000009); 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 1200 N 7TH St

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

  1. Kenneth Anderson, D.O.Family Medicine Physician1275513756
  2. William Baer, R.PH. CGPGeriatric Pharmacist1952447112
  3. Christine ButtellPhysician Assistant1508499617
  4. Greg Cohen, D.O.Family Medicine Physician1235119736
  5. Megan Decker, FNP-BCFamily Nurse Practitioner1326450172
  6. Michelle Fischer-Short, ARNP, FNP-BCFamily Nurse Practitioner1477115319

Verify Christopher J. Osier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 001160
    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 Iowa license search

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3.7 times the Medicare Part D claims of the average physician assistant in 2024

3,053 Medicare Part D claims for 349 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 100 claims were for opioids.

  1. Christopher Osier3,053
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium180 claims
  2. Lisinopril107 claims
  3. Celecoxib90 claims
  4. Amlodipine Besylate89 claims
  5. Furosemide87 claims
  6. Omeprazole87 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: $30.98

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Osier$30.98
  2. Specialty average$841.65

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

One hospital affiliation

  1. Lucas County Health CenterChariton, IA · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Christopher J. Osier among 1,525 physician assistant records in Iowa

Christopher J. Osier, PA-C is one of 1,525 physician assistant records with a practice address in Iowa. 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 73% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1998 · median 2017 among the 1,053 with a school on file
  • Record last updated2012 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 physician assistant records list a practice address in Chariton

They are 4 of the 52 NPPES records with a practice address in Chariton, and 1,525 physician assistant records in Iowa.

The 8 physician assistant records with the nearest ZIP codes

  1. Christine ButtellChariton, IA 500491508499617
  2. Allison Krutsinger, PACChariton, IA 500491346435146
  3. Amy Poncelow, PA-CChariton, IA 500491043688328
  4. Brady Gerber, PA-CCarlisle, IA 500471225584329
  5. Gregory Isaacson, PA-CCarlisle, IA 500471992283600
  6. Lindsay Kain, PACarlisle, IA 500471699889907
  7. Elizabeth Kriener, PA-CCarlisle, IA 500471598857112
  8. Galen Daniels, PACorydon, IA 500601720371198

Common questions

What is Christopher J. Osier, PA-C's NPI number?

Christopher J. Osier, PA-C's National Provider Identifier (NPI) is 1275513350, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher J. Osier, PA-C located?

The NPPES record lists a practice address at 1200 N 7TH St, Chariton, IA, 50049. Phone: (641) 774-8103. Providers update this record themselves, so call before visiting.

How can I verify Christopher J. Osier, PA-C's license?

NPPES lists Iowa license number 001160, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Christopher J. Osier, PA-C prescribe under Medicare Part D?

In 2024, Christopher J. Osier, PA-C had 3,053 Medicare Part D claims for 349 beneficiaries; the average among physician assistant prescribers was 830. 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.