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Anesthesiology

Darryl Atwell, MD

Works at hospitals in Upper Marlboro, MD · Maryland

Summary

Darryl Atwell, MD (Anesthesiology) is listed by Medicare at 1 hospital in Upper Marlboro, MD. NPI 1598706376. 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 Darryl Atwell, 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
35Years since medical school (graduated 1991)
Howard University College Of MedicineMedical school
MaleGender (as listed)
First Colonies Anesthesia Associates, LLCGroup practice

Quick answers

Which hospitals does Darryl Atwell work at?
Medicare's official clinician data lists Darryl Atwell at 1 hospital: University of MD Capital Region Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Darryl Atwell see patients?
Medicare's clinician data lists 2 practice locations, including Silver Spring, MD and Frederick, MD. Call before your visit to confirm the address.
What is Darryl Atwell's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Darryl Atwell accept Medicare assignment?
Yes. Medicare's clinician data says Darryl Atwell 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 Darryl Atwell?
(301) 754-7000, as listed in official Medicare / NPI Registry data.
What is Darryl Atwell's NPI number?
1598706376. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Darryl Atwell works

Medicare's Facility Affiliation Data lists Darryl Atwell 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 Darryl Atwell is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Darryl Atwell as a member of this group (CMS data updated 2026-10-02).

  • First Colonies Anesthesia Associates, LLC326 clinicians in the group

Specialties

Find other Anesthesiology doctors in Maryland →

Other anesthesiologists in Silver Spring

Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.

All anesthesiologists in Silver Spring →

Clinician information

CredentialMD
Medical schoolHoward University College Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598706376
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