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Nurse Practitioner

Sharon R. Josephson Keeven

Sees patients in Largo, MD · Mc Lean, VA · Maryland, Virginia

Summary

Sharon R. Josephson Keeven is a nurse practitioner at 1221 Mercantile Ln, Largo, MD 20774. Phone: (301) 618-5700. Accepts Medicare assignment. In 2024, Sharon R. Josephson Keeven had 34 Original Medicare patients and 72 services. NPI 1417017047. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 1221 Mercantile Ln, Largo, MD 20774 · Directions (1 more location)
  • Phone: (301) 618‑5700
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
  • School: graduated 1997
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sharon R. Josephson Keeven, 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 Sharon R. Josephson Keeven accept Medicare assignment?
Yes. Medicare's clinician data says Sharon R. Josephson Keeven 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.
How many Medicare patients does Sharon R. Josephson Keeven see?
In 2024, CMS data shows 34 Original Medicare patients and 72 services for Sharon R. Josephson Keeven. This counts Original Medicare only and measures volume, not quality.
What is Sharon R. Josephson Keeven's NPI number?
1417017047. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sharon R. Josephson Keeven, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients34
Services billed to Medicare72
Different services or procedures13
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)20 services
  2. Telephone medical discussion provided by nonphysician professional, 5-10 minutes (98966)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease68%
  • Diabetes56%
  • Heart failure47%
  • Chronic kidney disease44%

Practice locations

Addresses where Sharon R. Josephson Keeven is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sharon R. Josephson Keeven as a member of this group (CMS data updated October 2, 2026).

  • Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maryland →

Other nurse practitioners in Largo

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

All nurse practitioners in Largo →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

Clinician information

Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1417017047
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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