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DR. OMER SHAHAB M.D.
NPI 1750739009
Internal Medicine - Gastroenterology in Arlington, VA

Active since May 27, 2016PECOS Enrolled
77.36/100
CMS Quality Rating
1715 NORTH GEORGE MASON DRIVE SUITE 410, ARLINGTON, VA 22205(703) 524-4792(703) 276-7487 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2026, Aug 16, 2022, Jul 1, 2019 (3 updates tracked since 2019).

About Dr. Omer Shahab M.d. NPPES

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

DR. OMER SHAHAB M.D. (NPI 1750739009) is an individual gastroenterology provider in Arlington, Virginia, licensed in Virginia (0101265214) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1750739009
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. OMER SHAHABCredential: M.D.
Location Address1715 NORTH GEORGE MASON DRIVE SUITE 410Arlington, VA 22205
Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-6423
Phone(703) 524-4792
Fax(703) 276-7487
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 27, 2016
Last NPPES UpdateJune 8, 20263 updates tracked since enumeration
NPPES CertifiedJune 8, 2026
✔ NPI 1750739009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in VA · 0101265214✔ Licensed in DC · MD600005301✔ Licensed in MD · D0105810
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1715 NORTH GEORGE MASON DRIVE SUITE 410, Arlington, VA 22205
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Secondary Practice Locations 3

Location 15255 Loughboro Rd NWWashington, DC 20016-2633 · Phone (202) 537-4000
Location 2600 N Wolfe StBaltimore, MD 21287-0005 · Phone (410) 955-5000
Location 33300 Gallows RdFalls Church, VA 22042-3307 · Phone (703) 776-7780

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Omer Shahab M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173856093
PECOS Enrollment IDI20251024001025, I20260602004684
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

4

Medicare enrollment records show Omer Shahab reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Virginia Hospital Center Physician Group LLC
Same address
Neurology
1715 N GEORGE MASON DR STE 107
Arlington, VA 22205
  • Reassigned Medicare billing, District of Columbia enrollment
  • 436 clinicians in this Medicare group
NPI 1245010479 (703) 717-4577
Johns Hopkins University
3.4 mi
Multi-Specialty
5215 LOUGHBORO RD NW STE 330
Washington, DC 20016
  • Reassigned Medicare billing, District of Columbia enrollment
  • 34 clinicians in this Medicare group
NPI 1952120644 (301) 896-6073
Johns Hopkins University
7.4 mi
Neurological Surgery
8600 OLD GEORGETOWN RD
Bethesda, MD 20814
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1578569240 (410) 955-5000
Mary Washington Healthcare Providers LLC
44 mi
Hospitalist
1001 SAM PERRY BLVD
Fredericksburg, VA 22401
  • Reassigned Medicare billing, Virginia enrollment
  • 323 clinicians in this Medicare group
NPI 1750826277 (540) 741-1821

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
51 services51 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
37 services37 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
35 services31 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
33 services32 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
24 services24 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
23 services23 patients

Hospital Affiliations CMS Care Compare

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

Mary Washington Hospital

Acute Care Hospitals · Fredericksburg, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490022
Location1001 Sam Perry BoulevardFredericksburg, VA 22401 · Fredericksburg City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22205 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.36/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.82
Promoting Interoperability87
Improvement Activities40
Cost54.56

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 Omer Shahab's NPI number?

The NPI number for Omer Shahab is 1750739009. It was assigned to this individual provider in the NPPES registry on May 27, 2016.

Where is Omer Shahab located?

Omer Shahab practices at 1715 North George Mason Drive Suite 410, Arlington, VA 22205. The listed phone number is (703) 524-4792.

What is Omer Shahab's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Omer Shahab enrolled in Medicare?

Yes. Omer Shahab is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Omer Shahab's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omer Shahab reassigns Medicare benefits to 4 organizations: Virginia Hospital Center Physician Group LLC (Arlington, VA), Johns Hopkins University (Washington, DC), Johns Hopkins University (Bethesda, MD) and Mary Washington Healthcare Providers LLC (Fredericksburg, VA). 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 Omer Shahab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Omer Shahab affiliated with any hospitals?

According to CMS data, Omer Shahab is affiliated with Mary Washington Hospital.

When was this NPI record last updated?

The NPPES record for Omer Shahab was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.