NPPES file of Aug 9, 2026

Marilyn Y. Chapman, FNP

Family Nurse Practitioner · Matthews, MO

Marilyn Y. Chapman, FNP is a family nurse practitioner with a practice address in Matthews, Missouri, and NPI 1932193315, issued on Aug 31, 2005. Check the license (Missouri 126551, 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
1932193315
Name
Marilyn Y. Chapman
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
126551 MO
Self-reported in NPPES; status is on the state search
Practice location
201 W Main, Matthews, MO 63867
Phone
(573) 471-1514
Enumerated
Aug 31, 2005
Record last updated
Dec 21, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(573) 471-1517
Medicare enrollment
Enrolled (PECOS I20050929000042); 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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Verify Marilyn Y. Chapman 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 126551
    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

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3.1 times the Medicare Part D claims of the average family nurse practitioner in 2024

4,028 Medicare Part D claims for 154 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Marilyn Chapman4,028
  2. Specialty average1,305

Most prescribed

  1. Lisinopril159 claims
  2. Omeprazole150 claims
  3. Rosuvastatin Calcium144 claims
  4. Amlodipine Besylate140 claims
  5. Albuterol Sulfate Hfa138 claims
  6. Levothyroxine Sodium138 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: $109.01

6 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marilyn Chapman$109.01
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Marilyn Y. Chapman among 5,226 family nurse practitioner records in Missouri

Marilyn Y. Chapman, FNP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2000 · median 2018 among the 3,339 with a school on file
  • Record last updated2012 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Nurse Practitioner providers in Missouri

There are 5,226 family nurse practitioner records in Missouri.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sierra Holiman, APRNNew Madrid, MO 638691558924845
  2. Briana Thompson, FNPNew Madrid, MO 638691083152847
  3. Miriam Brehmer, FNPMalden, MO 638631619179546
  4. Shelby BrownMalden, MO 638631023873171
  5. Amy Cluck, NURSE PRACTITIONERMalden, MO 638631407692429
  6. Kayla Fuller, MSN, APRN, FNP-BCMalden, MO 638631033790159
  7. Jennetta Stearns, FNPMalden, MO 638631356061121
  8. Sharon White, FNPMalden, MO 638631215293378

Common questions

What is Marilyn Y. Chapman, FNP's NPI number?

Marilyn Y. Chapman, FNP's National Provider Identifier (NPI) is 1932193315, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn Y. Chapman, FNP located?

The NPPES record lists a practice address at 201 W Main, Matthews, MO, 63867. Phone: (573) 471-1514. Providers update this record themselves, so call before visiting.

How can I verify Marilyn Y. Chapman, FNP's license?

NPPES lists Missouri license number 126551, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Marilyn Y. Chapman, FNP prescribe under Medicare Part D?

In 2024, Marilyn Y. Chapman, FNP had 4,028 Medicare Part D claims for 154 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.