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Internal Medicine

Seung Kook Baek, MD

Sees patients in Seaford, DE · Delaware

Summary

Dr. Seung Kook Baek, MD is an internal medicine doctor at 1501 Middleford Rd, Seaford, DE 19973. Phone: (302) 629-4569. Accepts Medicare assignment. NPI 1568147007. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1501 Middleford Rd, Seaford, DE 19973 · Directions
  • Phone: (302) 629‑4569
  • Medicare: Accepts Medicare assignment
  • Group practice: Seaford Internal Medicine LLC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Seung Kook Baek, 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 Seung Kook Baek accept Medicare assignment?
Yes. Medicare's clinician data says Seung Kook Baek 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 Seung Kook Baek's NPI number?
1568147007. 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 Seung Kook Baek is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Seung Kook Baek as a member of this group (CMS data updated October 2, 2026).

  • Seaford Internal Medicine LLC7 clinicians in the group

Specialties

Find other Internal Medicine doctors in Delaware →

Other internal medicine doctors in Seaford

Clinicians with the same Medicare primary specialty in Seaford, DE — not a recommendation.

All internal medicine doctors in Seaford →

Other clinicians in Seaford Internal Medicine LLC

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568147007
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