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

Internal Medicine

Sidney Nelson Iii, MD

Works at hospitals in Washington, DC · District of Columbia

Summary

Sidney Nelson Iii, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Washington, DC. NPI 1033152541. 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 Sidney Nelson Iii, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
Howard University College Of MedicineMedical school
MaleGender (as listed)
Privia Care Center LLCGroup practice (+2 more)

Quick answers

Which hospitals does Sidney Nelson Iii work at?
Medicare's official clinician data lists Sidney Nelson Iii at 4 hospitals: George Washington University Hospital, MedStar Georgetown University Hospital, MedStar Washington Hospital Center and Sibley Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sidney Nelson Iii see patients?
Medicare's clinician data lists 4 practice locations, including Washington, DC, Baltimore, MD and Columbia, MD. Call before your visit to confirm the address.
What is Sidney Nelson Iii's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Sidney Nelson Iii accept Medicare assignment?
Yes. Medicare's clinician data says Sidney Nelson Iii 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.
Does Sidney Nelson Iii offer telehealth?
Medicare's clinician data says Sidney Nelson Iii offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sidney Nelson Iii?
(843) 554-2530, as listed in official Medicare / NPI Registry data.
What is Sidney Nelson Iii's NPI number?
1033152541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sidney Nelson Iii works

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

Group practices

Medicare enrollment lists Sidney Nelson Iii as a member of these groups (CMS data updated 2026-10-02).

  • Privia Care Center LLC287 clinicians in the group
  • Primedocs PC17 clinicians in the group
  • Medical Home Development Group5 clinicians in the group

Specialties

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

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

All internal medicine doctors in Washington →

Clinician information

CredentialMD
Medical schoolHoward University College Of Medicine
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033152541
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