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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PENDLETON EDMUND ALEXANDER MD
NPI 1831163286
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Washington, DC

Active since February 14, 2006
2150 PENNSYLVANIA AVE NW, 6B, WASHINGTON, DC 20037(202) 741-3220 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Pendleton Edmund Alexander Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PENDLETON EDMUND ALEXANDER MD (NPI 1831163286) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Washington, District Of Columbia, licensed in District Of Columbia (MD15076) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1831163286
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. PENDLETON EDMUND ALEXANDERCredential: MD
Location Address2150 PENNSYLVANIA AVE NW, 6BWashington, DC 20037-3201
Mailing Address2150 Pennsylvania Ave Nw, 6bWashington, DC 20037-3201 · (202) 741-3220
Phone(202) 741-3220
Sole ProprietorNo
Enumeration DateFebruary 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1831163286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in DC · MD15076
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
2150 PENNSYLVANIA AVE NW, Washington, DC 20037
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEI DU LYNN M.D.
Internal Medicine
2150 PENNSYLVANIA AVE NW, SUITE 5-416
WASHINGTON, DC 20037
District of Columbia (202) 741-2574
NIRAJ RAJU GOWDA MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. ELLEN CURTIN MURPHY MD
Obstetrics & Gynecology (Obstetrics)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2500
DR. CHRISTOPHER DAVID BADGER MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. MONICA MARIA MANRIQUE CASTRILLON MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. STEVEN JOSEPH RALSTON MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2500
ROBERT STEVEN SIEGEL M.D.
Internal Medicine (Hematology & Oncology)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3333
JAMES DAVID KATZ M.D.
Internal Medicine (Rheumatology)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Pendleton Alexander's NPI number?

The NPI number for Pendleton Alexander is 1831163286. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is Pendleton Alexander located?

Pendleton Alexander practices at 2150 Pennsylvania Ave NW 6B, Washington, DC 20037. The listed phone number is (202) 741-3220.

What is Pendleton Alexander's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

When was this NPI record last updated?

The NPPES record for Pendleton Alexander was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.