Brennen Larsen, PA-C
Physician Assistant · Rexburg, ID
Brennen Larsen, PA-C is a physician assistant with a practice address in Rexburg, Idaho, and NPI 1740659010, issued on Sep 17, 2015. Check the license with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brennen Larsen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 6141 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 21 Winn Dr, Rexburg, ID 83440
- Phone
- (208) 881-5222
- Enumerated
- Sep 17, 2015
- Record last updated
- Nov 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (877) 441-4715
- Medicare enrollment
- Enrolled (PECOS I20170109001928); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 21 Winn Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brennen Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average physician assistant in 2024
411 Medicare Part D claims for 123 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole19 claims
- Prazosin Hcl18 claims
- Nitrofurantoin Mono-Macro14 claims
- Budesonide-Formoterol Fumarate12 claims
- Quetiapine Fumarate12 claims
- Albuterol Sulfate Hfa11 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: $48.45
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Fall River Medical PLLCRexburg, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 physician assistant records list a practice address in Rexburg
They are 21 of the 585 NPPES records with a practice address in Rexburg, and 1,250 physician assistant records in Idaho.
All 21 in Rexburg → All 1,250 in Idaho → Every provider in Rexburg →
Other physician assistant records in Idaho
- Hodaka Abe, PACaldwell, ID1013299866
- Patrick AbelTwin Falls, ID1689304917
- Mark Ackerman, PACOrofino, ID1710093612
- Alan Adams, PA-CIdaho Falls, ID1891188348
- Jonathan Adams, P.A.-CHayden, ID1285913970
- Serena Adams, PA-CIdaho Falls, ID1669543450
- Emily Adofo EmmertLewiston, ID1891641734
- Derek Ahlstrom, PABoise, ID1174096606
- Charlotte Ainge, PACPotlatch, ID1689661050
- Jeffrey Albrecht, PANampa, ID1871620435
Common questions
What is Brennen Larsen, PA-C's NPI number?
Brennen Larsen, PA-C's National Provider Identifier (NPI) is 1740659010, issued on Sep 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Brennen Larsen, PA-C located?
The NPPES record lists a practice address at 21 Winn Dr, Rexburg, ID, 83440. Phone: (208) 881-5222. Providers update this record themselves, so call before visiting.
How can I verify Brennen Larsen, PA-C's license?
Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Brennen Larsen, PA-C prescribe under Medicare Part D?
In 2024, Brennen Larsen, PA-C had 411 Medicare Part D claims for 123 beneficiaries; the average among physician assistant prescribers was 830. 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.