Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Karen Olorunfemi, MD

Sees patients in Largo, MD · Maryland

Summary

Dr. Karen Olorunfemi, MD is a family doctor at 1221 Mercantile Ln, Largo, MD 20774. Phone: (301) 618-5700. Accepts Medicare assignment. NPI 1629728084. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1221 Mercantile Ln, Largo, MD 20774 · Directions
  • Phone: (301) 618‑5700
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
  • Medical school: graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karen Olorunfemi, 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 Karen Olorunfemi accept Medicare assignment?
Yes. Medicare's clinician data says Karen Olorunfemi 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.
What is Karen Olorunfemi's NPI number?
1629728084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

Medicare enrollment lists Karen Olorunfemi 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
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629728084
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians