Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Darin E. Allen, MD

Sees patients in Longmont, CO · Colorado

Summary

Darin E. Allen, MD (Anesthesiology) is enrolled with Medicare at 1 practice location in Longmont, CO. NPI 1780946053. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Darin E. Allen, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
Caw Anesthesia PLLCGroup practice

Quick answers

Where does Darin E. Allen see patients?
Medicare's clinician data lists 1 practice location in Longmont, CO. Call before your visit to confirm the address.
What is Darin E. Allen's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Darin E. Allen accept Medicare assignment?
Yes. Medicare's clinician data says Darin E. Allen 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 Darin E. Allen?
(303) 772-1600, as listed in official Medicare / NPI Registry data.
What is Darin E. Allen's NPI number?
1780946053. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Darin E. Allen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Darin E. Allen as a member of this group (CMS data updated 2026-10-02).

  • Caw Anesthesia PLLC4 clinicians in the group

Specialties

Find other Anesthesiology doctors in Colorado →

Other anesthesiologists in Longmont

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

All anesthesiologists in Longmont →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780946053
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians