Quick answers
- Does Justin G. Merzlock accept Medicare assignment?
- Yes. Medicare's clinician data says Justin G. Merzlock accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Justin G. Merzlock see?
- In 2024, CMS data shows 205 Original Medicare patients and 429 services for Justin G. Merzlock. This counts Original Medicare only and measures volume, not quality.
- What is Justin G. Merzlock's NPI number?
- 1013668847. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Justin G. Merzlock, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 205 |
|---|---|
| Services billed to Medicare | 429 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)308 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)31 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)30 services
- Dialysis services, 1 physician visit per month (20 years or older) (90962)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Chronic kidney disease75%
- High cholesterol70%
- Diabetes57%
- Arthritis51%
- Ischemic heart disease42%
Hospitals where Justin G. Merzlock works
Medicare's Facility Affiliation Data lists Justin G. Merzlock at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bear Lake Memorial HospitalMontpelier, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131316
- Bingham Memorial HospitalBlackfoot, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131325
- Caribou Medical CenterSoda Springs, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131309
- Portneuf Medical CenterPocatello, ID · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 130028
- Power County Hospital DistrictAmerican Falls, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131304
Practice locations
Addresses where Justin G. Merzlock is enrolled with Medicare (CMS data updated October 2, 2026).
- 2381 E Sunnyside RdIdaho Falls, ID 83404 (208) 904‑4780
- 4511 Zebe AveChubbuck, ID 83202 (208) 904‑4780
Group practices
Medicare enrollment lists Justin G. Merzlock as a member of this group (CMS data updated October 2, 2026).
- Idaho Kidney Institute LLP14 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Idaho Falls
Clinicians with the same Medicare primary specialty in Idaho Falls, ID — not a recommendation.
Other clinicians in Idaho Kidney Institute LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013668847 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians