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Family Practice

Rebecca King, MD

Sees patients in Largo, MD · Fairfax, VA · Woodbridge, VA · Maryland, Virginia

Summary

Dr. Rebecca King, MD is a family doctor at 1221 Mercantile Ln, Largo, MD 20774. Phone: (301) 618-5700. Accepts Medicare assignment. In 2024, Rebecca King had 19 Original Medicare patients and 19 services. NPI 1568816478. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1221 Mercantile Ln, Largo, MD 20774 · Directions (2 more locations)
  • Phone: (301) 618‑5700
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
  • Medical school: Virginia Commonwealth University, School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rebecca King, 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 Rebecca King accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca King 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 Rebecca King see?
In 2024, CMS data shows 19 Original Medicare patients and 19 services for Rebecca King. This counts Original Medicare only and measures volume, not quality.
What is Rebecca King's NPI number?
1568816478. 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 Rebecca King, 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 patients19
Services billed to Medicare19
Different services or procedures5
Participating Medicare providerYes
Average age of these patients73

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 pressure63%

Practice locations

Addresses where Rebecca King is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rebecca King 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 Family Practice doctors in Maryland →

Other family doctors in Largo

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

All family doctors 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

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568816478
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