Doctor profile · Federal record

Dr. Demi Armbruster, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Prairieville, LA

  • NPI 1366194284
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
37358 Market Place Dr
Prairieville, LA 707693482
(888) 360-0909
Additional location
3600 Florida Boulevard
Baton Rouge, LA 70806
(225) 387-7000
Additional location
8585 Picardy Ave
Baton Rouge, LA 708093748
(225) 763-4000
Mailing address
18138 Pine Ridge Dr
Prairieville, LA 707693455

Credentials & registration

NPPES · NUCC
NPI registered
January 2022 — 4 yrs on file
Profile last updated
April 27, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Louisiana #202407

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366194284. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
272
Distinct HCPCS
9
Medicare allowed
$19,240
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 56 55 $101
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 39 38 $50
87502 Detection test by nucleic acid for multiple types influenza virus 36 34 $94
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $134
87804 Detection test by immunoassay with direct visual observation for influenza virus 28 14 $16
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 27 27 $41
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $70
87651 Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 17 17 $34
81003 Automated urinalysis test 12 12 $2

In context: peer comparison

Among 8 peers in Prairieville Family Nurse Practitioner, average services per provider: 36. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
288
Patients
282
Total drug cost
$4,625
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 49 49 $447
Doxycycline Monohydrate Generic 31 31 $290
Prednisone Generic 31 30 $66
Fluticasone Propionate Generic 26 26 $245
Cefdinir Generic 23 22 $311
Ondansetron Odt (Ondansetron) Brand 19 19 $170
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 13 $430
Mupirocin Generic 17 17 $130
Ciprofloxacin Hcl Generic 15 15 $93
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 13 13 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. Demi Armbruster's medical specialty?
Dr. Demi Armbruster practices Family Nurse Practitioner in Prairieville, LA.
Where does Dr. Demi Armbruster practice?
Dr. Demi Armbruster practices at 37358 Market Place Dr, Prairieville, LA 707693482. Office phone: 8883600909.
What is Dr. Demi Armbruster's NPI?
Dr. Demi Armbruster's National Provider Identifier (NPI) is 1366194284, issued by NPPES.
Does Dr. Demi Armbruster accept Medicare assignment?
Yes. Dr. Demi Armbruster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Demi Armbruster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635); Detection test by nucleic acid for multiple types influenza virus (HCPCS 87502). Source: CMS Medicare Physician & Other Practitioners file.