Registry data as of Aug 27, 2026

John Armbruster, FNP

Family Nurse Practitioner · Bloomfield, MO

John Armbruster, FNP is a family nurse practitioner with a practice address in Bloomfield, Missouri, and NPI 1003207242, issued on Feb 10, 2015. Check the license (Missouri 2015001137, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1003207242
Name
John Armbruster
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
2015001137 MO
Self-reported in NPPES; status is on the state search
Practice location
612 State Highway 25 S, Bloomfield, MO 63825
Phone
(573) 803-3995
Enumerated
Feb 10, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 612 State Highway 25 S

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

  1. Sheila Armbruster, FNP-CFamily Nurse Practitioner1700277878
  2. Wanda Horn, MHNPPsychiatric/Mental Health Nurse Practitioner1750600524

Verify John Armbruster 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 2015001137
    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.

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

6,159 Medicare Part D claims for 59 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. John Armbruster6,159
  2. Specialty average1,302

Most prescribed

  1. Rosuvastatin Calcium625 claims
  2. Levothyroxine Sodium309 claims
  3. Levocetirizine Dihydrochloride299 claims
  4. Gabapentin287 claims
  5. Pantoprazole Sodium270 claims
  6. Valsartan234 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: $433.03

6 payments, mostly food and beverage; the largest payer was Amgen Inc.. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Armbruster$433.03
  2. Specialty average$675.31

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

2 family nurse practitioner records list a Bloomfield practice address

They are 2 of the 20 NPPES records with a Bloomfield practice address, and 4,849 family nurse practitioner records in Missouri.

Other family nurse practitioner records in Missouri

  1. Sara Abben, APRNGrandview, MO1760105274
  2. Andrea Abbott, FNP-CChesterfield, MO1588003842
  3. Dana Abdel Jawad, DNP, APRN, FNP-CKansas City, MO1245185974
  4. Zara Abdush-Shakir Bever, FNPKansas City, MO1265283923
  5. Patricia Abele, NPChesterfield, MO1265418057
  6. Tirae Abernathy, CNMFlorissant, MO1427741156
  7. Melissa Abramovitz, FNP-BCKansas City, MO1679170005
  8. Ana Abrudan-Danalache, FNPWillard, MO1053035394
  9. Karen Abt, FNPCape Girardeau, MO1144672577
  10. Nadeen AbusalimKansas City, MO1437030954

Common questions

What is John Armbruster, FNP's NPI number?

John Armbruster, FNP's National Provider Identifier (NPI) is 1003207242, issued on Feb 10, 2015. An NPI identifies a provider in billing; it is not a license.

Where is John Armbruster, FNP located?

The NPPES record lists a practice address at 612 State Highway 25 S, Bloomfield, MO, 63825. Phone: (573) 803-3995. Providers update this record themselves, so call before visiting.

How can I verify John Armbruster, FNP's license?

NPPES lists Missouri license number 2015001137, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does John Armbruster, FNP prescribe under Medicare Part D?

In 2024, John Armbruster, FNP had 6,159 Medicare Part D claims for 59 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.