NPPES file of Aug 9, 2026

Justin Gregory Merzlock, FNP

Family Nurse Practitioner · Chubbuck, ID

Justin Gregory Merzlock, FNP is a family nurse practitioner with a practice address in Chubbuck, Idaho, and NPI 1013668847, issued on Jan 13, 2022. Check the license (Idaho 71322, as entered in NPPES) with the Idaho 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
1013668847
Name
Justin Gregory Merzlock
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
71322 ID
Self-reported in NPPES; status is on the state search
Practice location
4511 Zebe Ave, Chubbuck, ID 83202
Phone
(208) 904-4780
Enumerated
Jan 13, 2022
Record last updated
Jan 13, 2022
Fax
(208) 904-4832
Medicare enrollment
Enrolled (PECOS I20220207001594); accepts Medicare assignment
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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8 nearest family nurse practitioner records → All 1,215 in Idaho → Look up another NPI →

Also registered at 4511 Zebe Ave

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

  1. Shelly Abell, FNPAcute Care Nurse Practitioner1528791969
  2. Tarek Barbar, M.D.Internal Medicine Physician1306371398
  3. Aaron Clayson, AG-NPGerontology Nurse Practitioner1629814892
  4. Matthew Day, APRN-CNPAdult Health Nurse Practitioner1245017375
  5. Michael Haderlie, MDNephrology Physician1700083813
  6. Nora Kirkpatrick, PAMedical Physician Assistant1801862784

Verify Justin Gregory Merzlock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Idaho board licenses this profession
    Search for license 71322    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 Idaho 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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86% more Medicare Part D claims than the average family nurse practitioner in 2024

2,422 Medicare Part D claims for 388 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Justin Merzlock2,422
  2. Specialty average1,305

Most prescribed

  1. Calcitriol345 claims
  2. Amlodipine Besylate181 claims
  3. Furosemide132 claims
  4. Allopurinol114 claims
  5. Carvedilol106 claims
  6. Potassium Chloride98 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: $481.44

22 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Merzlock$481.44
  2. Specialty average$650.95

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. Idaho Kidney Institute LLPChubbuck, ID

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

Justin Gregory Merzlock among 1,215 family nurse practitioner records in Idaho

Justin Gregory Merzlock, FNP is one of 1,215 family nurse practitioner records with a practice address in Idaho. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.

  • NPI issued2022 · 71% of these records are older, 22% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · median 2019 among the 762 with a school on file
  • Record last updated2022 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family nurse practitioner records list a practice address in Chubbuck

They are 15 of the 264 NPPES records with a practice address in Chubbuck, and 1,215 family nurse practitioner records in Idaho.

All 1,215 in Idaho → Every provider in Chubbuck → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Samantha Baab, NP-CChubbuck, ID 832021407177637
  2. Scott Barlow, DNPChubbuck, ID 832021023673209
  3. Brandi Karroum, NP-CChubbuck, ID 832021548517972
  4. David McGregor, NPChubbuck, ID 832021770924375
  5. Stevie MillerChubbuck, ID 832021366107245
  6. Sarah Montgomery, CNPChubbuck, ID 832021538726799
  7. Kathryn Roth, FNP-CPocatello, ID 832021467893289
  8. Jennifer Sanderson, NPChubbuck, ID 832021730582271

Common questions

What is Justin Gregory Merzlock, FNP's NPI number?

Justin Gregory Merzlock, FNP's National Provider Identifier (NPI) is 1013668847, issued on Jan 13, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Justin Gregory Merzlock, FNP located?

The NPPES record lists a practice address at 4511 Zebe Ave, Chubbuck, ID, 83202. Phone: (208) 904-4780. Providers update this record themselves, so call before visiting.

How can I verify Justin Gregory Merzlock, FNP's license?

NPPES lists Idaho license number 71322, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.

How much does Justin Gregory Merzlock, FNP prescribe under Medicare Part D?

In 2024, Justin Gregory Merzlock, FNP had 2,422 Medicare Part D claims for 388 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.