NPPES file of Aug 9, 2026

Katharine Propst, PA-C

Physician Assistant · Saint Louis, MO

Katharine Propst, PA-C is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1659073658, issued on Mar 21, 2023. Check the license 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
1659073658
Name
Katharine Propst
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
522 N New Ballas RD Ste 203, Saint Louis, MO 63141
Phone
(314) 569-3323
Enumerated
Mar 21, 2023
Record last updated
Jan 9, 2024
Medicare enrollment
Enrolled (PECOS I20250404002493); 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 522 N New Ballas RD Ste 203

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

  1. Christine Dill, FNP-BCFamily Nurse Practitioner1285176297

Verify Katharine Propst in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck 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

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88% fewer Medicare Part D claims than the average physician assistant in 2024

99 Medicare Part D claims for 52 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Katharine Propst99
  2. Specialty average830

Most prescribed

  1. Mupirocin17 claims
  2. Ketoconazole13 claims
  3. Triamcinolone Acetonide12 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: $1,210.12

77 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, Inc. 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. Katharine Propst$1,210.12
  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.

Bills Medicare through one group practice

  1. Jason B. Amato, MD Dermatology, LLCSaint Louis, MO

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

Katharine Propst among 1,790 physician assistant records in Missouri

Katharine Propst, PA-C 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 updated2024 · 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 Katharine Propst, PA-C's NPI number?

Katharine Propst, PA-C's National Provider Identifier (NPI) is 1659073658, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Propst, PA-C located?

The NPPES record lists a practice address at 522 N New Ballas RD Ste 203, Saint Louis, MO, 63141. Phone: (314) 569-3323. Providers update this record themselves, so call before visiting.

How can I verify Katharine Propst, PA-C's license?

Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Katharine Propst, PA-C prescribe under Medicare Part D?

In 2024, Katharine Propst, PA-C had 99 Medicare Part D claims for 52 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.