Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Alex Sidlak, MD

Individual provider Emergency Medicine Physician · NPI 1063827434

Alex Sidlak, MD is an Emergency Medicine in Washington, District of Columbia. Graduated from Northwestern University Feinberg Medical School in 2014, 12 years ago. Practices with Emergency Medicine Associates PA, PC, a 704-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia, Pennsylvania and Virginia.

Years since qualifying
12
Trained at
Northwestern University Feinberg Medical School
Licensed in
DC, PA, VA
In the registry since
2014
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

900 23rd St NW
Washington, DC 20037-2342
Phone: (202) 715-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3300 Gallows Rd, Falls Church, VA 22042-3307 — (703) 776-4001

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD500001758 (DC)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD206234 (PA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 0101268264 (VA)
Medical Toxicology (Emergency Medicine) Physician Taxonomy 207PT0002X · Licence 0101268284 (VA)

Record details

NPI number1063827434
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2014
Last updated in NPPESOctober 11, 2023
Certification dateOctober 11, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesMEDICAL TOXICOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2014 (12 years in practice)
Group practice Emergency Medicine Associates P.A., P.C. — 704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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