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Neurology

Eryn A. Lonnquist, MD

Works at hospitals in Denver, CO · Colorado

Summary

Dr. Eryn A. Lonnquist, MD is a neurologist at 777 Bannock St, Denver, CO 80204. Phone: (303) 436-6000. Accepts Medicare assignment. NPI 1811163140. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Neurologist (Medicare lists Neurology)
  • Address: 777 Bannock St, Denver, CO 80204 · Directions
  • Phone: (303) 436‑6000
  • Medicare: Accepts Medicare assignment
  • Hospital: Denver Health & Hospital Authority
  • Group practice: Denver Health and Hospital Authority
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Eryn A. Lonnquist, 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 Eryn A. Lonnquist accept Medicare assignment?
Yes. Medicare's clinician data says Eryn A. Lonnquist 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.
What is Eryn A. Lonnquist's NPI number?
1811163140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Eryn A. Lonnquist works

Medicare's Facility Affiliation Data lists Eryn A. Lonnquist 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 Eryn A. Lonnquist is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Eryn A. Lonnquist as a member of this group (CMS data updated October 2, 2026).

  • Denver Health and Hospital Authority849 clinicians in the group

Specialties

Find other Neurology doctors in Colorado →

Other neurologists in Denver

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

All neurologists in Denver →

Other clinicians in Denver Health and Hospital Authority

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

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811163140
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians