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Internal Medicine

Michael Nicastle, DO

Works at hospitals in Thornton, CO · Aurora, CO · Colorado

Summary

Michael Nicastle, DO (Internal Medicine) is listed by Medicare at 2 hospitals in Thornton, CO and Aurora, CO. NPI 1518312131. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Nicastle, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
Kansas City University Of Physicians And SurgeonsMedical school
MaleGender (as listed)
KND Development 59 LLCGroup practice (+1 more)

Quick answers

Which hospitals does Michael Nicastle work at?
Medicare's official clinician data lists Michael Nicastle at 2 hospitals: HCA HealthONE Mountain Ridge and The Medical Center of Aurora & South Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Nicastle see patients?
Medicare's clinician data lists 2 practice locations, including Aurora, CO and Greenwood Village, CO. Call before your visit to confirm the address.
What is Michael Nicastle's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Michael Nicastle accept Medicare assignment?
Yes. Medicare's clinician data says Michael Nicastle accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael Nicastle?
(319) 273-8992, as listed in official Medicare / NPI Registry data.
What is Michael Nicastle's NPI number?
1518312131. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Nicastle works

Medicare's Facility Affiliation Data lists Michael Nicastle at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael Nicastle is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Nicastle as a member of these groups (CMS data updated 2026-10-02).

  • KND Development 59 LLC177 clinicians in the group
  • Critical Care and Pulmonary Consultants, P.C.158 clinicians in the group

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Aurora

Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.

All internal medicine doctors in Aurora →

Clinician information

CredentialDO
Medical schoolKansas City University Of Physicians And Surgeons
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518312131
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians