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Diagnostic Radiology

Jaclynn L. Powell, MD

Works at hospitals in Washington, DC · Olney, MD · District of Columbia, Maryland

Summary

Jaclynn L. Powell, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Washington, DC and Olney, MD. NPI 1831331396. 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 Jaclynn L. Powell, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
FemaleGender (as listed)
MedStar Medical Group II LLCGroup practice (+1 more)

Quick answers

Which hospitals does Jaclynn L. Powell work at?
Medicare's official clinician data lists Jaclynn L. Powell at 2 hospitals: MedStar Georgetown University Hospital and MedStar Montgomery Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jaclynn L. Powell see patients?
Medicare's clinician data lists 6 practice locations, including Washington, DC, Bel Air, MD and Poland, OH. Call before your visit to confirm the address.
What is Jaclynn L. Powell's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Jaclynn L. Powell accept Medicare assignment?
Yes. Medicare's clinician data says Jaclynn L. Powell 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 Jaclynn L. Powell?
(202) 877-7000, as listed in official Medicare / NPI Registry data.
What is Jaclynn L. Powell's NPI number?
1831331396. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jaclynn L. Powell works

Medicare's Facility Affiliation Data lists Jaclynn L. Powell 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 Jaclynn L. Powell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jaclynn L. Powell as a member of these groups (CMS data updated 2026-10-02).

  • MedStar Medical Group II LLC3,767 clinicians in the group
  • Physician Imaging of Washington Hospital Center LLC104 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in District of Columbia →

Other radiologists in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All radiologists in Washington →

Clinician information

CredentialMD
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831331396
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