NPPES file of Aug 9, 2026

Sarah Jean Dyson, MD

Internal Medicine Physician · Washington, MO

Sarah Jean Dyson, MD is an internal medicine physician with a practice address in Washington, Missouri, and NPI 1922020064, issued on Jul 25, 2006. Check the license (Missouri 2004007505, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1922020064
Name
Sarah Jean Dyson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2004007505 MO
Self-reported in NPPES; status is on the state search
Practice location
901 Patients First Dr, Washington, MO 63090
Phone
(636) 239-7500
Enumerated
Jul 25, 2006
Record last updated
Sep 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(636) 239-2836
Medicaid IDs
208454504 MO
1922020064 MO
Medicare enrollment
Enrolled (PECOS I20050111000195); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2001
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 901 Patients First Dr

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

  1. Jeffery Armstrong, PA CPhysician Assistant1972597136
  2. Bryce Ayers, M.D.Internal Medicine Physician1689610446
  3. Tamara Bailey, FNP-CFamily Nurse Practitioner1184122327
  4. Kelly Bain, M.D.Family Medicine Physician1982645818
  5. Dilip Banerjee, M.D.Cardiovascular Disease Physician1902828742
  6. Kristy Bestgen, MSN, APRN, FNP-CFamily Nurse Practitioner1326487315

Verify Sarah Jean Dyson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2004007505
    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
Open 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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3.0 times the Medicare Part D claims of the average internal medicine physician in 2024

9,656 Medicare Part D claims for 572 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 247 claims were for opioids.

  1. Sarah Dyson9,656
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium903 claims
  2. Levothyroxine Sodium372 claims
  3. Lisinopril359 claims
  4. Amlodipine Besylate329 claims
  5. Losartan Potassium306 claims
  6. Omeprazole276 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: $54.16

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Dyson$54.16
  2. Specialty average$1,303.06

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. Legacy Healthcare Services IncWashington, MO
  2. Mercy Clinic East CommunitiesWashington, MO

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

Sarah Jean Dyson among 2,604 internal medicine physician records in Missouri

Sarah Jean Dyson, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2001 · median 2006 among the 1,443 with a school on file
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 internal medicine physician records list a practice address in Washington

They are 25 of the 533 NPPES records with a practice address in Washington, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Suraj Kumar Alakkassery Kumaran, MDWashington, MO 630901568698306
  2. Bryce Ayers, M.D.Washington, MO 630901689610446
  3. Tim Baker, MDWashington, MO 630901760596134
  4. David Brunworth, MDWashington, MO 630901265546634
  5. Gary Dumontier, M.D.Washington, MO 630901437192481
  6. Thomas Farrell, M.D.Washington, MO 630901952345969
  7. William Fritz, MDWashington, MO 630901407820913
  8. Teresa Halsted, M.D.Washington, MO 630901558300046

Common questions

What is Sarah Jean Dyson, MD's NPI number?

Sarah Jean Dyson, MD's National Provider Identifier (NPI) is 1922020064, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Jean Dyson, MD located?

The NPPES record lists a practice address at 901 Patients First Dr, Washington, MO, 63090. Phone: (636) 239-7500. Providers update this record themselves, so call before visiting.

How can I verify Sarah Jean Dyson, MD's license?

NPPES lists Missouri license number 2004007505, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Jean Dyson, MD prescribe under Medicare Part D?

In 2024, Sarah Jean Dyson, MD had 9,656 Medicare Part D claims for 572 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.