NPPES file of Aug 9, 2026

Greg Eric Larsen, APRN

Nurse Practitioner · St George, UT

Greg Eric Larsen, APRN is a nurse practitioner with a practice address in St George, Utah, and NPI 1578879441, issued on Aug 29, 2010. Check the license (Utah 354177-4405, as entered in NPPES) with the Utah board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578879441
Name
Greg Eric Larsen
Credential
APRN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
354177-4405 UT
Self-reported in NPPES; status is on the state search
Practice location
624 S 1000 E Ste 103, St George, UT 84790
Phone
(435) 652-1135
Enumerated
Aug 29, 2010
Record last updated
May 21, 2024
Fax
(435) 652-1190
Medicaid ID
1578879441 UT
Medicare enrollment
Enrolled (PECOS I20110706000386); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 2010
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 624 S 1000 E Ste 103

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carlos Leon, M.D.Nephrology Physician1932131869
  2. Carlos Mercado, MDNephrology Physician1366444051
  3. Andrew Patchett, D.O.Nephrology Physician1235423518

Verify Greg Eric Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Utah board licenses this profession
    Search for license 354177-4405
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Utah license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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1% more Medicare Part D claims than the average nurse practitioner in 2024

1,115 Medicare Part D claims for 332 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Greg Larsen1,115
  2. Specialty average1,109

Most prescribed

  1. Furosemide121 claims
  2. Amlodipine Besylate95 claims
  3. Jardiance79 claims
  4. Losartan Potassium65 claims
  5. Allopurinol60 claims
  6. Calcitriol59 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: $1,011.01

44 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Greg Larsen$1,011.01
  2. Specialty average$791.64

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

  1. St George Kidney Care LLCSt George, UT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

60 nurse practitioner records list a practice address in St George

They are 60 of the 3,879 NPPES records with a practice address in St George, and 1,133 nurse practitioner records in Utah.

Other nurse practitioner records in Utah

  1. Minda Abbaszadeh, APRNSalt Lake City, UT1881851756
  2. Samantha Aberton, A.P.R.N FNPSalt Lake City, UT1518538842
  3. Aaron AdamsOgden, UT1972972883
  4. Brian AdamsSt George, UT1528712973
  5. Dustin Adams, APRNOgden, UT1598786303
  6. Maria Addison, MSN-BC, NNPSalt Lake City, UT1851672034
  7. Nwanyidirim Ahanonu-Acord, APRNSalt Lake City, UT1437249059
  8. Ann Ahee, DNP, APRN, NP-CSt George, UT1417575564
  9. Olivia Akerley, NPMurray, UT1164214102
  10. Katy Alderman, PMHNP-BCMurray, UT1730543620

Common questions

What is Greg Eric Larsen, APRN's NPI number?

Greg Eric Larsen, APRN's National Provider Identifier (NPI) is 1578879441, issued on Aug 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Greg Eric Larsen, APRN located?

The NPPES record lists a practice address at 624 S 1000 E Ste 103, St George, UT, 84790. Phone: (435) 652-1135. Providers update this record themselves, so call before visiting.

How can I verify Greg Eric Larsen, APRN's license?

NPPES lists Utah license number 354177-4405, as entered by the provider. Search the Utah board that licenses this profession; the NPPES record confirms identity only.

How much does Greg Eric Larsen, APRN prescribe under Medicare Part D?

In 2024, Greg Eric Larsen, APRN had 1,115 Medicare Part D claims for 332 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.