Doctor profile · Federal record

Dr. Alex Sidlak, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Medical Toxicology (Emergency Medicine) Physician · Washington, DC

  • NPI 1063827434
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
900 23Rd St Nw
Washington, DC 200372342
(202) 715-4000
Additional location
3300 Gallows RD
Falls Church, VA 220423307
(703) 776-4001
Mailing address
3300 Gallows RD
Falls Church, VA 220423307

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
October 11, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (4)
District of Columbia #MD500001758 · Pennsylvania #MD206234 · Virginia #0101268264 · Virginia #0101268284

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063827434. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
426
Distinct HCPCS
5
Medicare allowed
$67,638
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 149 148 $194
99284 Emergency department visit with moderate level of medical decision making 140 140 $133
99291 Critical care, first 30-74 minutes 78 78 $236
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 42 41 $9
99283 Emergency department visit with low level of medical decision making 17 17 $79

In context: peer comparison

Among 104 peers in Washington Emergency Medicine Physician, average services per provider: 76. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$40
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 12 12 $40

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Sidlak's medical specialty?
Dr. Alex Sidlak practices Emergency Medicine Physician in Washington, DC.
Where does Dr. Alex Sidlak practice?
Dr. Alex Sidlak practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027154000.
What is Dr. Alex Sidlak's NPI?
Dr. Alex Sidlak's National Provider Identifier (NPI) is 1063827434, issued by NPPES.
Does Dr. Alex Sidlak accept Medicare assignment?
Yes. Dr. Alex Sidlak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Sidlak commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.