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Nurse Practitioner

Joanne Johnson, NP

Works at hospitals in Washington, DC · District of Columbia

Summary

Joanne Johnson, NP (Nurse Practitioner) is listed by Medicare at 1 hospital in Washington, DC. NPI 1467851832. 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 Joanne Johnson, 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

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
FemaleGender (as listed)
MedStar Medical Group II LLCGroup practice (+1 more)

Quick answers

Which hospitals does Joanne Johnson work at?
Medicare's official clinician data lists Joanne Johnson at 1 hospital: MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joanne Johnson see patients?
Medicare's clinician data lists 2 practice locations, including Washington, DC. Call before your visit to confirm the address.
What is Joanne Johnson's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Joanne Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Joanne Johnson 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 Joanne Johnson?
(202) 877-2851, as listed in official Medicare / NPI Registry data.
What is Joanne Johnson's NPI number?
1467851832. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joanne Johnson works

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

Group practices

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

  • MedStar Medical Group II LLC3,767 clinicians in the group
  • MedStar Heart Institute LLC301 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, District of Columbia →

Other nurse practitioners in Washington

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

All nurse practitioners in Washington →

Clinician information

CredentialNP
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467851832
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