Brennen Larsen, PA-C
NPI 1740659010 · Physician Assistant · Rexburg, ID
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brennen Larsen, PA-C is a Physician Assistant provider in Rexburg, ID (NPI 1740659010).
Provider details
- NPI number
- 1740659010
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6141 (AZ)
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 tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
216 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 96 | $71 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 48 | $11 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 25 | $87 |
| Automated Urinalysis Test81003 | 19 | $2 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 16 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 12 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 19 | — |
| Prazosin Hcl | 18 | — |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 14 | 11 |
| Budesonide/Formoterol Fumaratebrand: Budesonide-Formoterol Fumarate | 12 | — |
| Quetiapine Fumarate | 12 | — |
| Azithromycin | 11 | 11 |
| Sertraline Hcl | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-09-17
- Last updated
- 2019-11-19
Frequently asked questions
- What is Brennen Larsen's NPI number?
- Brennen Larsen's National Provider Identifier (NPI) is 1740659010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brennen Larsen's specialty?
- Brennen Larsen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brennen Larsen located?
- Brennen Larsen's practice location on file with NPPES is 21 Winn Dr, Rexburg, ID 83440-5277.
- What is Brennen Larsen's phone number?
- The practice phone number listed in the NPPES registry for Brennen Larsen is (208) 881-5222.
- Does Brennen Larsen accept Medicare?
- Brennen Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brennen Larsen's NPI active?
- Yes — Brennen Larsen's NPI (1740659010) is active in the NPPES registry as of the last update on 2019-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.