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General Surgery

Ismael Grachico Ii, MD

Works at hospitals in Ketchum, ID · Twin Falls, ID · Idaho

Summary

Dr. Ismael Grachico Ii, MD is a general surgeon at 746 N College Rd, Twin Falls, ID 83301. Accepts Medicare assignment. In 2024, Ismael Grachico Ii had 64 Original Medicare patients and 96 services. NPI 1881055705. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 746 N College Rd, Twin Falls, ID 83301 · Directions (2 more locations)
  • Medicare: Accepts Medicare assignment
  • Hospitals: St Luke's Wood River Medical Center, St Lukes Magic Valley Medical Center
  • Group practice: St Lukes Clinic LLC
  • Medical school: Eastern Virginia Medical School · graduated 2016 (10 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ismael Grachico Ii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ismael Grachico Ii accept Medicare assignment?
Yes. Medicare's clinician data says Ismael Grachico Ii 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 Ismael Grachico Ii see?
In 2024, CMS data shows 64 Original Medicare patients and 96 services for Ismael Grachico Ii. This counts Original Medicare only and measures volume, not quality.
What is Ismael Grachico Ii's NPI number?
1881055705. 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 Ismael Grachico Ii, 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 patients64
Services billed to Medicare96
Different services or procedures32
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)22 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)14 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%
  • High cholesterol58%
  • Arthritis47%
  • Depression31%
  • Atrial fibrillation30%
  • Diabetes28%

Hospitals where Ismael Grachico Ii works

Medicare's Facility Affiliation Data lists Ismael Grachico Ii 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.

Practice locations

Addresses where Ismael Grachico Ii is enrolled with Medicare (CMS data updated October 2, 2026).

  • 746 N College RdTwin Falls, ID 83301
  • 775 Pole Line Rd WTwin Falls, ID 83301
  • 801 Pole Line Rd WTwin Falls, ID 83301

Group practices

Medicare enrollment lists Ismael Grachico Ii as a member of this group (CMS data updated October 2, 2026).

  • St Lukes Clinic LLC316 clinicians in the group

Specialties

Find other General Surgery doctors in Idaho →

Other general surgeons in Twin Falls

Clinicians with the same Medicare primary specialty in Twin Falls, ID — not a recommendation.

All general surgeons in Twin Falls →

Other clinicians in St Lukes Clinic LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881055705
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians