Quick answers
- Does Kristi L. Grigg accept Medicare assignment?
- Yes. Medicare's clinician data says Kristi L. Grigg 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 Kristi L. Grigg see?
- In 2024, CMS data shows 196 Original Medicare patients and 359 services for Kristi L. Grigg. This counts Original Medicare only and measures volume, not quality.
- What is Kristi L. Grigg's NPI number?
- 1831118801. 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 Kristi L. Grigg, 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 | 196 |
|---|---|
| Services billed to Medicare | 359 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)153 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)74 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)73 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 pressure63%
- High cholesterol53%
- Arthritis41%
- Diabetes26%
- Depression24%
- Anxiety22%
Hospitals where Kristi L. Grigg works
Medicare's Facility Affiliation Data lists Kristi L. Grigg 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.
- Eastern Idaho Regional Medical CenterIdaho Falls, ID · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 130018
- Idaho Falls Community Hospital, LLCIdaho Falls, ID · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 130074
- Mountain View HospitalIdaho Falls, ID · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 130065
Practice locations
Addresses where Kristi L. Grigg is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 2305 Coronado StIdaho Falls, ID 83404 (208) 522‑1764
- 2325 Coronado StIdaho Falls, ID 83404 (208) 557‑2700
- 2330 Coronado StIdaho Falls, ID 83404 (208) 552‑1234
- 2351 Coronado StIdaho Falls, ID 83404 (208) 522‑7310
- 2353 Coronado StIdaho Falls, ID 83404 (208) 552‑4823
Group practices
Medicare enrollment lists Kristi L. Grigg as a member of this group (CMS data updated October 2, 2026).
- Mountain View Hospital LLC276 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Idaho Falls
Clinicians with the same Medicare primary specialty in Idaho Falls, ID — not a recommendation.
Other clinicians in Mountain View Hospital LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831118801 |
| 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