Jacob William Vohsen, PA
Physician Assistant · O Fallon, MO
Jacob William Vohsen, PA is a physician assistant with a practice address in O Fallon, Missouri, and NPI 1952014334, issued on Jan 2, 2023. Check the license (Missouri 2024004740, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jacob William Vohsen
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2024004740 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2 Progress Point Pkwy, O Fallon, MO 63368
- Phone
- (314) 362-9123
- Enumerated
- Jan 2, 2023
- Record last updated
- Jul 14, 2025
- Fax
- (314) 747-9160
- Medicare enrollment
- Enrolled (PECOS I20240621000602); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 2 Progress Point Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Bailey, DOEmergency Medicine Physician1760518336
- Randi Becker, MDEmergency Medicine Physician1235392788
- Dane Blackwood, CRNACertified Registered Nurse Anesthetist1770127185
- Ajay Chalasani, MDAnesthesiology Physician1487760385
- Jill Cooley, MDAnesthesiology Physician1568780419
- Mary Ernst, CRNACertified Registered Nurse Anesthetist1477864213
Verify Jacob William Vohsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2024004740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average physician assistant in 2024
243 Medicare Part D claims for 172 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Prednisone24 claims
- Cyclobenzaprine Hcl20 claims
- Cephalexin18 claims
- Azithromycin17 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: $14.22
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Washington University Community Specialists, LLCFlorissant, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob William Vohsen among 1,790 physician assistant records in Missouri
Jacob William Vohsen, PA is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 76% of them.
- NPI issued2023 · 76% of these records are older, 17% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2023 · median 2019 among the 1,250 with a school on file
- Record last updated2025 · 32% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 physician assistant records list a practice address in O Fallon
They are 19 of the 1,225 NPPES records with a practice address in O Fallon, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in O Fallon → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jeneffer Avalos Topete, PAO Fallon, MO 633681952062689
- Acel Camfield, PAO Fallon, MO 633681982215471
- Krista Carter, PA-CO Fallon, MO 633681043622277
- Natasha Fresenburg, PA-CO Fallon, MO 633681780020495
- Olivia Hasselfeld, PAO Fallon, MO 633681194334094
- Krista Jenkins, PAO Fallon, MO 633681598036071
- Jamie Moravec, PA-CO Fallon, MO 633681659630648
- Christopher Perry, PAO Fallon, MO 633681609284645
Common questions
What is Jacob William Vohsen, PA's NPI number?
Jacob William Vohsen, PA's National Provider Identifier (NPI) is 1952014334, issued on Jan 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jacob William Vohsen, PA located?
The NPPES record lists a practice address at 2 Progress Point Pkwy, O Fallon, MO, 63368. Phone: (314) 362-9123. Providers update this record themselves, so call before visiting.
How can I verify Jacob William Vohsen, PA's license?
NPPES lists Missouri license number 2024004740, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Jacob William Vohsen, PA prescribe under Medicare Part D?
In 2024, Jacob William Vohsen, PA had 243 Medicare Part D claims for 172 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.