NPPES file of Aug 9, 2026

Matthew Meier

Internal Medicine Physician · O Fallon, MO

Matthew Meier is an internal medicine physician with a practice address in O Fallon, Missouri, and NPI 1578574372, issued on Aug 10, 2006. Check the license (Missouri DOR9J58, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578574372
Name
Matthew Meier
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DOR9J58 MO
Self-reported in NPPES; status is on the state search
Practice location
1002 Peruque Crossing CT, O Fallon, MO 63366
Phone
(636) 294-5757
Enumerated
Aug 10, 2006
Record last updated
Apr 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(636) 294-5742
Medicare enrollment
Enrolled (PECOS I20091217000094); 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 1002 Peruque Crossing CT

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

  1. Julia Branco, FNP-CFamily Nurse Practitioner1245669316
  2. Jennifer Hinton, MDPediatrics Physician1881655454
  3. John O'Connor, M.D.Family Medicine Physician1356392310
  4. Kevin Weikart, M.D.Internal Medicine Physician1902864986

Verify Matthew Meier 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 DOR9J58
    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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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,669 Medicare Part D claims for 426 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 167 claims were for opioids.

  1. Matthew Meier6,669
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium242 claims
  2. Amlodipine Besylate241 claims
  3. Omeprazole227 claims
  4. Rosuvastatin Calcium220 claims
  5. Lisinopril209 claims
  6. Simvastatin207 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.

The MIPS final score for 2023 (Medicare payment program): 71.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score25.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,427.26

44 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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. Matthew Meier$1,427.26
  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. Aging Well Health Care, LLCSaint Louis, MO
  2. Elite Physical Therapy OF Creve Coeur LLCCreve Coeur, MO

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

17 internal medicine physician records list a practice address in O Fallon

They are 17 of the 1,225 NPPES records with a practice address in O Fallon, and 2,604 internal medicine physician records in Missouri.

Other internal medicine physician records in Missouri

  1. Betty Abban, M.D.Springfield, MO1063893162
  2. Amer Abbas, MDSaint Louis, MO1508480666
  3. Fizza Abbas, MDSaint Louis, MO1588079230
  4. Marghoob Abbas, M.D.St Joseph, MO1588603781
  5. Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
  6. Sundas Abbas, MDRichmond Heights, MO1649790486
  7. Hajira Abbasi, DOSaint Louis, MO1194036947
  8. Catey Abbott, DOSaint Louis, MO1699355347
  9. David Abbott, MDRichmond Heights, MO1568448850
  10. Wael Abduljaber, MDSaint Louis, MO1174101489

Common questions

What is Matthew Meier's NPI number?

Matthew Meier's National Provider Identifier (NPI) is 1578574372, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Meier located?

The NPPES record lists a practice address at 1002 Peruque Crossing CT, O Fallon, MO, 63366. Phone: (636) 294-5757. Providers update this record themselves, so call before visiting.

How can I verify Matthew Meier's license?

NPPES lists Missouri license number DOR9J58, 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 Matthew Meier prescribe under Medicare Part D?

In 2024, Matthew Meier had 6,669 Medicare Part D claims for 426 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Matthew Meier's MIPS final score?

The 2023 MIPS final score is 71.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.