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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.

ALEXANDER SANJAY MARWAHA DO
NPI 1053166546
Student in an Organized Health Care Education/Training Program in Washington, DC

Active since April 18, 2024
3800 RESERVOIR RD NW, DEPARTMENT OF RADIATION ONCOLOGY, WASHINGTON, DC 20007(202) 444-3320(202) 444-9323 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 4, 2025, Apr 18, 2024 (2 updates tracked since 2024).

About Alexander Sanjay Marwaha Do NPPES

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

ALEXANDER SANJAY MARWAHA DO (NPI 1053166546) is an individual student in an organized health care education/training program in Washington, District Of Columbia and active in the NPI registry since April 2024.

NPPES Registry Identity

NPI1053166546
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameALEXANDER SANJAY MARWAHACredential: DO
Location Address3800 RESERVOIR RD NW, DEPARTMENT OF RADIATION ONCOLOGYWashington, DC 20007-2113
Mailing Address3800 Reservoir Rd NwWashington, DC 20007-2113 · (202) 444-3320 · Fax (202) 444-9323
Phone(202) 444-3320
Fax(202) 444-9323
Sole ProprietorNo
Enumeration DateApril 18, 2024
Last NPPES UpdateJune 24, 20262 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
✔ NPI 1053166546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
3800 RESERVOIR RD NW, Washington, DC 20007
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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.

DR. KAUSTUBH SUBHASH YADWADKAR M.D.
Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
District of Columbia (304) 206-7595
FRED MO MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-8766
SEBLE YIRGA
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7265
ARLETTE THOMPSON-PILE
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-3689
JENNA ELIZABETH HOROWITZ
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
HALEY SWANSON FOSTER M.D.
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-5022
SOPHIA RIZVI MD
Radiology (Radiation Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
CLAIRE DALBY MD
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7106

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 Alexander Marwaha's NPI number?

The NPI number for Alexander Marwaha is 1053166546. It was assigned to this individual provider in the NPPES registry on April 18, 2024.

Where is Alexander Marwaha located?

Alexander Marwaha practices at 3800 Reservoir Rd NW Department Of Radiation Oncology, Washington, DC 20007. The listed phone number is (202) 444-3320.

What is Alexander Marwaha's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Alexander Marwaha was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 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.