John R. Armbruster, FNP
Family Nurse Practitioner · Bloomfield, MO
John R. 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.
- Name
- John R. 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
- Record last updated
- Aug 8, 2023
- Fax
- (573) 803-5222
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
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.
- Sheila Armbruster, FNP-CNurse Practitioner1700277878
- Wanda Horn, MHNPPsychiatric/Mental Health Nurse Practitioner1750600524
Verify John R. Armbruster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2015001137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Rosuvastatin Calcium625 claims
- Levothyroxine Sodium309 claims
- Levocetirizine Dihydrochloride299 claims
- Gabapentin287 claims
- Pantoprazole Sodium270 claims
- 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; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John R. Armbruster among 5,226 family nurse practitioner records in Missouri
John R. Armbruster, 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 2015, is newer than 34% of them.
- NPI issued2015 · 34% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2023 · 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).
1 family nurse practitioner record lists a practice address in Bloomfield
They are 1 of the 20 NPPES records with a practice address in Bloomfield, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Bloomfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Amanda Bader, FNP-BCBernie, MO 638221255696001
- Cara Dillinger, NP-CBernie, MO 638221972868719
- Brandy Heinley, FNP-BCBernie, MO 638221316178643
- Summer Alexander, NPCaruthersville, MO 638301740728187
- Lauren Buchanan, FNPCaruthersville, MO 638301679318471
- Angela Constant, FNPCaruthersville, MO 638301508022211
- Barbara Merideth, RN, CS, FNPCaruthersville, MO 638301457352742
- Tracey RineyCaruthersville, MO 638301861927337
Common questions
What is John R. Armbruster, FNP's NPI number?
John R. 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 R. 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 R. 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 R. Armbruster, FNP prescribe under Medicare Part D?
In 2024, John R. Armbruster, FNP had 6,159 Medicare Part D claims for 59 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.