Benjamin Zachary Larsen, MD
General Practice Physician · Ogden, UT
Benjamin Zachary Larsen, MD is a general practice physician with a practice address in Ogden, Utah, and NPI 1124519657, issued on May 21, 2018. Check the license (Utah 11401709-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Benjamin Zachary Larsen
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 11401709-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 4403 Harrison Blvd Ste 700A, Ogden, UT 84403
- Phone
- (801) 387-5300
- Enumerated
- May 21, 2018
- Record last updated
- Jun 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (801) 387-5333
- Medicare enrollment
- Enrolled (PECOS I20190930002520); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2018
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 60 in Utah → Look up another NPI →
Also registered at 4403 Harrison Blvd Ste 700A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Zachary Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 11401709-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average general practice physician in 2024
195 Medicare Part D claims for 131 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate21 claims
- Cephalexin16 claims
- Amoxicillin15 claims
- Prednisone12 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.
Bills Medicare through one group practice
- Ihc Health Services IncOgden, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Zachary Larsen among 60 general practice physician records in Utah
Benjamin Zachary Larsen, MD is one of 60 general practice physician records with a practice address in Utah. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 17% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2018 · median 2006 among the 19 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Utah
There are 60 general practice physician records in Utah.
All 60 in Utah → Every provider in Ogden → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Allan Anderson, MDLogan, UT 843411710991344
- Barry Gardner, MDLogan, UT 843411922049923
- Troy Schwartz, D.O.Logan, UT 843411336101633
- Ryan Larsen, MDLogan, UT 843211235224932
- Justen Watkins, DOLogan, UT 843211689090060
- D Willmore, MDProvo, UT 846011861676066
- David Brown, DOProvo, UT 846021407030695
- William Dunaway, MDProvo, UT 846021316121502
Common questions
What is Benjamin Zachary Larsen, MD's NPI number?
Benjamin Zachary Larsen, MD's National Provider Identifier (NPI) is 1124519657, issued on May 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Zachary Larsen, MD located?
The NPPES record lists a practice address at 4403 Harrison Blvd Ste 700A, Ogden, UT, 84403. Phone: (801) 387-5300. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Zachary Larsen, MD's license?
NPPES lists Utah license number 11401709-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin Zachary Larsen, MD prescribe under Medicare Part D?
In 2024, Benjamin Zachary Larsen, MD had 195 Medicare Part D claims for 131 beneficiaries; the average among general practice physician prescribers was 3,030. 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.