Christopher Osier, PA-C
NPI 1275513350 · Physician Assistant · Chariton, IA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Osier, PA-C is a Physician Assistant provider in Chariton, IA (NPI 1275513350).
Provider details
- NPI number
- 1275513350
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 001160 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 180 | 45 |
| Lisinopril | 107 | 29 |
| Celecoxib | 90 | 23 |
| Amlodipine Besylate | 89 | 22 |
| Omeprazole | 87 | 24 |
| Furosemide | 87 | 22 |
| Tamsulosin Hcl | 80 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2012-02-08
Frequently asked questions
- What is Christopher Osier's NPI number?
- Christopher Osier's National Provider Identifier (NPI) is 1275513350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Osier's specialty?
- Christopher Osier is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Osier located?
- Christopher Osier's practice location on file with NPPES is 1200 N 7th St, Chariton, IA 50049-1210.
- What is Christopher Osier's phone number?
- The practice phone number listed in the NPPES registry for Christopher Osier is (641) 774-8103.
- Does Christopher Osier accept Medicare?
- Christopher Osier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Osier's NPI active?
- Yes — Christopher Osier's NPI (1275513350) is active in the NPPES registry as of the last update on 2012-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.