ALEX SIDLAK M.D.
NPI 1063827434
Emergency Medicine in Washington, DC

Active since June 24, 2014PECOS EnrolledAccepts Medicare Assignment
900 23RD ST NW, WASHINGTON, DC 20037(202) 715-4000 Get Directions Write a Review

NPPES record last updated: October 11, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 11, 2023, Jun 17, 2021 (2 updates tracked since 2021).

About Alex Sidlak M.d. NPPES

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

ALEX SIDLAK M.D. (NPI 1063827434) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500001758) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains a secondary practice location in Falls Church.

NPPES Registry Identity

NPI1063827434
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameALEX SIDLAKCredential: M.D.
Location Address900 23RD ST NWWashington, DC 20037-2342
Mailing Address3300 Gallows RdFalls Church, VA 22042-3307
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2014
Enumeration DateJune 24, 2014
Last NPPES UpdateOctober 11, 20232 updates tracked since enumeration
NPPES CertifiedOctober 11, 2023
NPI 1063827434 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in DC · MD500001758 Licensed in PA · MD206234 Licensed in VA · 0101268264
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License 0101268284 (VA)
900 23RD ST NW, Washington, DC 20037

Secondary Practice Location 1

Location 13300 Gallows RdFalls Church, VA 22042-3307 · Phone (703) 776-4001

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alex Sidlak M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810271624
PECOS Enrollment IDI20200915001076
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
159 services159 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
120 services115 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
107 services107 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
101 services100 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
900 23RD ST NW
WASHINGTON, DC 20037
Student in an Organized Health Care Education/Training Program
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Physician Assistant (Surgical)
900 23RD ST NW
WASHINGTON, DC 20037
Student in an Organized Health Care Education/Training Program
900 23RD ST NW
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037
Physician Assistant
900 23RD ST NW
WASHINGTON, DC 20037
Physician Assistant
900 23RD ST NW
WASHINGTON, DC 20037

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 Alex Sidlak's NPI number?

The NPI number for Alex Sidlak is 1063827434. It was assigned to this individual provider in the NPPES registry on June 24, 2014.

Where is Alex Sidlak located?

Alex Sidlak practices at 900 23rd St NW, Washington, DC 20037. The listed phone number is (202) 715-4000.

What is Alex Sidlak's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Alex Sidlak enrolled in Medicare?

Yes. Alex Sidlak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alex Sidlak accept?

Health plans from Blue Cross and Blue Shield of Texas list Alex Sidlak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alex Sidlak affiliated with any hospitals?

According to CMS data, Alex Sidlak is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Alex Sidlak was last updated on October 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.