NPPES file of Aug 9, 2026

Amy Pfitzinger, PA

Physician Assistant · Chesterfield, MO

Amy Pfitzinger, PA is a physician assistant with a practice address in Chesterfield, Missouri, and NPI 1538555875, issued on Apr 14, 2015. Check the license (Missouri 2015009299, 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
1538555875
Name
Amy Pfitzinger
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
2015009299 MO
Self-reported in NPPES; status is on the state search
Practice location
14825 N Outer 40 RD, Chesterfield, MO 63017
Phone
(314) 336-2555
Enumerated
Apr 14, 2015
Record last updated
Apr 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151123000892); 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 14825 N Outer 40 RD

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

  1. Sumeet Aggarwal, DPTPhysical Therapist1619124229
  2. Shelby Beste, SA-CSpecialist1972818516
  3. Kaylea Boutwell, M.D.Interventional Pain Medicine Physician1144425083
  4. David Brown, M.D.Orthopaedic Hand Surgery Physician1386954113
  5. Kelli Dean Riegel, PA-CPhysician Assistant1811295710
  6. Karen Fennell, MS, ATC, LATAthletic Trainer1164416152

Verify Amy Pfitzinger 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 2015009299
    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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21% fewer Medicare Part D claims than the average physician assistant in 2024

658 Medicare Part D claims for 310 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Amy Pfitzinger658
  2. Specialty average830

Most prescribed

  1. Celecoxib189 claims
  2. Diclofenac Sodium141 claims
  3. Cephalexin123 claims
  4. Meloxicam60 claims
  5. Prednisone38 claims
  6. Methylprednisolone23 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: $247.08

5 payments; by number, the most common kind was food and beverage; the largest payer was Davol 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. Amy Pfitzinger$247.08
  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 2 group practices

  1. Mercy Clinic Surgical Specialists LLCSaint Louis, MO
  2. Ssm Health Care GroupSaint Louis, MO

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

Amy Pfitzinger among 1,790 physician assistant records in Missouri

Amy Pfitzinger, 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 2015, is newer than 36% of them.

  • NPI issued2015 · 36% of these records are older, 61% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2014 · median 2019 among the 1,250 with a school on file
  • Record last updated2015 · 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).

43 physician assistant records list a practice address in Chesterfield

They are 43 of the 2,132 NPPES records with a practice address in Chesterfield, and 1,790 physician assistant records in Missouri.

The 8 physician assistant records with the nearest ZIP codes

  1. Lizel Alvarado, PAChesterfield, MO 630171588835953
  2. Amy Bloomfield, PAChesterfield, MO 630171790976173
  3. Andrew Clark, PAChesterfield, MO 630171497008254
  4. Kelli Dean Riegel, PA-CChesterfield, MO 630171811295710
  5. Jeremy Dunbarr, PA-CChesterfield, MO 630171831191014
  6. Kymberly Gomez, PAChesterfield, MO 630171225068851
  7. Megan Hudson, PAChesterfield, MO 630171467767087
  8. Michael Raethka, PAChesterfield, MO 630171033109392

Common questions

What is Amy Pfitzinger, PA's NPI number?

Amy Pfitzinger, PA's National Provider Identifier (NPI) is 1538555875, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Amy Pfitzinger, PA located?

The NPPES record lists a practice address at 14825 N Outer 40 RD, Chesterfield, MO, 63017. Phone: (314) 336-2555. Providers update this record themselves, so call before visiting.

How can I verify Amy Pfitzinger, PA's license?

NPPES lists Missouri license number 2015009299, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Amy Pfitzinger, PA prescribe under Medicare Part D?

In 2024, Amy Pfitzinger, PA had 658 Medicare Part D claims for 310 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.