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OMAR SHAIRZAY M.D.
NPI 1235559394
Anesthesiology in Washington, DC

Active since April 16, 2014PECOS EnrolledAccepts Medicare Assignment
3800 RESERVOIR ROAD, NW, LL CCC BUILDING, SUITE CL-60, WASHINGTON, DC 20007(202) 444-8640(202) 444-8854 Get Directions Write a Review

NPPES record last updated: July 23, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2018, Jun 12, 2018 (2 updates tracked since 2018).

About Omar Shairzay M.d. NPPES

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

OMAR SHAIRZAY M.D. (NPI 1235559394) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in Virginia (0101263811) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Roanoke, and is a graduate of Geisel School Of Medicine At Dartmouth (2014).

NPPES Registry Identity

NPI1235559394
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameOMAR SHAIRZAYCredential: M.D.
Location Address3800 RESERVOIR ROAD, NW, LL CCC BUILDING, SUITE CL-60Washington, DC 20007
Mailing AddressPo Box 13306Roanoke, VA 24032-3306 · (540) 345-0289 · Fax (540) 345-9569
Phone(202) 444-8640
Fax(202) 444-8854
Sole ProprietorYes
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2014
Enumeration DateApril 16, 2014
Last NPPES UpdateJuly 23, 20182 updates tracked since enumeration
✔ NPI 1235559394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in VA · 0101263811
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3800 RESERVOIR ROAD, NW, Washington, DC 20007
Open in Google Maps ↗

Secondary Practice Location 1

Location 15115 Bernard Dr Ste 201Roanoke, VA 24018-4367 · Phone (540) 345-0289 · Fax (540) 345-9569

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Omar Shairzay 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 ID5496003907
PECOS Enrollment IDI20181011000403
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Omar Shairzay reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medstar Medical Group II LLC
Same address
Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3,530 clinicians in this Medicare group
NPI 1205562816 (703) 558-1403
Medstar Medical Group Anesthesiology LLC
3.4 mi
Anesthesiology
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 482 clinicians in this Medicare group
NPI 1558976175 (703) 558-1403

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
27 services27 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
23 services23 patients
Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
20 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
20 services20 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
19 services19 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
19 services19 patients

Other Providers at the Same Location NPPES 7

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

DR. ERIC JACOB STERN M.D
Pediatrics (Pediatric Infectious Diseases)
3800 RESERVOIR ROAD, NW, GEORGETOWN UNIVERSITY HOSPITAL, 2-PHC
WASHINGTON, DC 20007
District of Columbia (202) 444-8262
MS. AVANI KULKARNI MBBS
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR ROAD, NW, DEPARTMENT OF PEDIATRICS
WASHINGTON, DC 20007
District of Columbia (202) 243-3400
DR. SHREYA GANDHY DO
Psychiatry & Neurology (Neurology)
3800 RESERVOIR ROAD, NW, DEPARTMENT OF NEUROLOGY- 7TH FLOOR PHC
WASHINGTON, DC 20007
District of Columbia (202) 444-7214
MRS. BARBRA SAATY OTR
Occupational Therapist
3800 RESERVOIR ROAD, NW
WASHINGTON, DC 20007
District of Columbia (202) 444-4180
MRS. STACY TISCIONE GEISERT NP
Nurse Practitioner (Family)
3800 RESERVOIR ROAD, NW, LOMBARDI COMPREHENSIVE CANCER CENTER; FIRST FLOOR
WASHINGTON, DC 20007
District of Columbia (202) 444-7599
MRS. ABIGAIL KAYE BIOW PA-C
Physician Assistant (Medical)
3800 RESERVOIR ROAD, NW, 1ST FLOOR GORMAN BUILDING
WASHINGTON, DC 20007
District of Columbia (202) 444-0289
MR. THOMAS YUNG
Nurse Practitioner (Adult Health)
3800 RESERVOIR ROAD, NW, LL BLES BUILDING
WASHINGTON, DC 20007
District of Columbia (202) 444-2053

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 Omar Shairzay's NPI number?

The NPI number for Omar Shairzay is 1235559394. It was assigned to this individual provider in the NPPES registry on April 16, 2014.

Where is Omar Shairzay located?

Omar Shairzay practices at 3800 Reservoir Road, NW Ll Ccc Building, Suite Cl-60, Washington, DC 20007. The listed phone number is (202) 444-8640.

What is Omar Shairzay's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Omar Shairzay enrolled in Medicare?

Yes. Omar Shairzay 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.

Which organizations bill Medicare for Omar Shairzay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Shairzay reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Medstar Medical Group Anesthesiology LLC (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Omar Shairzay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Omar Shairzay was last updated on July 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.