Demi Armbruster, FNP-C
NPI 1366194284 · Family Nurse Practitioner · Prairieville, LA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Demi Armbruster, FNP-C is a Family Nurse Practitioner provider in Prairieville, LA (NPI 1366194284).
Provider details
- NPI number
- 1366194284
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 202407 (LA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
230 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $101 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 62 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 39 | $41 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 37 | $133 |
| Automated Urinalysis Test81003 | 15 | $2 |
Typical Medicare-allowed amounts for these services range $2–$133 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 42 | 42 |
| Doxycycline Hyclate | 33 | 33 |
| Prednisone | 28 | 28 |
| Mupirocin | 19 | 19 |
| Amoxicillin | 16 | 16 |
| Azithromycin | 14 | 14 |
| Ondansetronbrand: Ondansetron Odt | 14 | 14 |
Practice location
Mailing address
Additional practice locations (2)
- 8585 Picardy AveBaton Rouge, LA 70809-3748Phone: (225) 763-4000
- 3600 Florida BoulevardBaton Rouge, LA 70806Phone: (225) 387-7000
Registry dates
- Enumerated
- 2022-01-21
- Last updated
- 2025-04-27
- Certified
- 2025-04-27
Frequently asked questions
- What is Demi Armbruster's NPI number?
- Demi Armbruster's National Provider Identifier (NPI) is 1366194284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Demi Armbruster's specialty?
- Demi Armbruster is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Demi Armbruster located?
- Demi Armbruster's practice location on file with NPPES is 37358 Market Place Dr, Prairieville, LA 70769-3482.
- What is Demi Armbruster's phone number?
- The practice phone number listed in the NPPES registry for Demi Armbruster is (888) 360-0909.
- Does Demi Armbruster accept Medicare?
- Demi Armbruster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Demi Armbruster's NPI active?
- Yes — Demi Armbruster's NPI (1366194284) is active in the NPPES registry as of the last update on 2025-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.