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Internal Medicine

Kristy L. Holland, MD

Works at hospitals in Alton, IL · Belleville, IL · Illinois

Summary

Dr. Kristy L. Holland, MD is an internal medicine doctor at 1 Memorial Dr, Alton, IL 62002. Phone: (618) 463-7311. Accepts Medicare assignment. In 2024, Kristy L. Holland had 150 Original Medicare patients and 166 services. NPI 1255363420. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1 Memorial Dr, Alton, IL 62002 · Directions (1 more location)
  • Phone: (618) 463‑7311
  • Medicare: Accepts Medicare assignment
  • Hospitals: Alton Memorial Hospital, Memorial Hospital
  • Group practice: Southeastern Emergency Physicians of Memphis LLC (+1 more)
  • Medical school: graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristy L. Holland, 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 Kristy L. Holland accept Medicare assignment?
Yes. Medicare's clinician data says Kristy L. Holland 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 Kristy L. Holland see?
In 2024, CMS data shows 150 Original Medicare patients and 166 services for Kristy L. Holland. This counts Original Medicare only and measures volume, not quality.
What is Kristy L. Holland's NPI number?
1255363420. 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 Kristy L. Holland, 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 patients150
Services billed to Medicare166
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)108 services
  2. Emergency department visit with moderate level of medical decision making (99284)23 services
  3. Critical care, first 30-74 minutes (99291)18 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 cholesterol75%
  • Arthritis68%
  • Ischemic heart disease54%
  • Heart failure48%
  • Chronic kidney disease45%

Hospitals where Kristy L. Holland works

Medicare's Facility Affiliation Data lists Kristy L. Holland 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.

  • Alton Memorial HospitalAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140002
  • Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185

Practice locations

Addresses where Kristy L. Holland is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristy L. Holland as a member of these groups (CMS data updated October 2, 2026).

  • Southeastern Emergency Physicians of Memphis LLC94 clinicians in the group
  • Emergency Services Midwest SC37 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Alton

Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.

All internal medicine doctors in Alton →

Other clinicians in Southeastern Emergency Physicians of Memphis LLC

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

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255363420
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