NPPES file of Aug 9, 2026

Sarah Kathryn Van Rossum-O'Connell, PA

Physician Assistant · Saint Louis, MO

Sarah Kathryn Van Rossum-O'Connell, PA is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1164179792, issued on Mar 3, 2022. Check the license (Missouri 2023037284, as entered in NPPES) with the Missouri 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
1164179792
Name
Sarah Kathryn Van Rossum-O'Connell
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
2023037284 MO
Self-reported in NPPES; status is on the state search
Practice location
625 S New Ballas RD Ste R7040, Saint Louis, MO 63141
Phone
(314) 251-6970
Enumerated
Mar 3, 2022
Record last updated
Mar 3, 2026
Medicaid ID
220130823 MO
Medicare enrollment
Enrolled (PECOS I20230914002996); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 2023
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 625 S New Ballas RD Ste R7040

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

  1. Lindsey Hellwig, PA-CSurgical Physician Assistant1760895601
  2. Parth Patel, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1235583055

Verify Sarah Kathryn Van Rossum-O'Connell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2023037284
    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 Missouri 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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80% fewer Medicare Part D claims than the average physician assistant in 2024

168 Medicare Part D claims for 71 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Sarah Van Rossum-O'Connell168
  2. Specialty average830

Most prescribed

  1. Ondansetron Odt42 claims
  2. Gabapentin25 claims
  3. Zenpep16 claims
  4. Cyclobenzaprine Hcl13 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. Mercy Clinic Cardiovascular And Thoracic Surgery LLCSaint Louis, MO

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

Sarah Kathryn Van Rossum-O'Connell among 1,790 physician assistant records in Missouri

Sarah Kathryn Van Rossum-O'Connell, 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 2022, is newer than 68% of them.

  • NPI issued2022 · 68% of these records are older, 24% 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 updated2026 · 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).

498 physician assistant records list a practice address in Saint Louis

They are 498 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,790 physician assistant records in Missouri.

The 8 physician assistant records with the nearest ZIP codes

  1. Christopher Berner, P.A.-CSaint Louis, MO 631411376674176
  2. Lindsey Blaha, PA-CSaint Louis, MO 631411609802123
  3. Heather Brinkman, PHY ASSIST CERTSaint Louis, MO 631411992718522
  4. Michelle BuschSaint Louis, MO 631411760585087
  5. Kara Cardinal, PASaint Louis, MO 631411619065331
  6. Amie Chang, P.A.Creve Coeur, MO 631411366557209
  7. Kara Harres, PASaint Louis, MO 631411306920277
  8. Shirley Haynes, PA-CSaint Louis, MO 631411225003551

Common questions

What is Sarah Kathryn Van Rossum-O'Connell, PA's NPI number?

Sarah Kathryn Van Rossum-O'Connell, PA's National Provider Identifier (NPI) is 1164179792, issued on Mar 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Kathryn Van Rossum-O'Connell, PA located?

The NPPES record lists a practice address at 625 S New Ballas RD Ste R7040, Saint Louis, MO, 63141. Phone: (314) 251-6970. Providers update this record themselves, so call before visiting.

How can I verify Sarah Kathryn Van Rossum-O'Connell, PA's license?

NPPES lists Missouri license number 2023037284, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Kathryn Van Rossum-O'Connell, PA prescribe under Medicare Part D?

In 2024, Sarah Kathryn Van Rossum-O'Connell, PA had 168 Medicare Part D claims for 71 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.