1. Home
  2. Directory
  3. District Of Columbia
  4. Washington
  5. Internal Medicine
  6. NPI Profile

MOUIN S ABDALLAH MD
NPI 1063498780
Internal Medicine - Cardiovascular Disease in Washington, DC

Active since December 15, 2005PECOS Enrolled
110 IRVING ST NW, WASHINGTON, DC 20010(202) 877-7000(202) 877-0534 Get Directions Write a Review

NPPES record last updated: September 14, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mouin S Abdallah Md NPPES

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

MOUIN S ABDALLAH MD (NPI 1063498780) is an individual cardiovascular disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD048023) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Waterloo.

NPPES Registry Identity

NPI1063498780
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMOUIN S ABDALLAHCredential: MD
Location Address110 IRVING ST NWWashington, DC 20010-3017
Mailing Address110 Irving St NwWashington, DC 20010-3017 · (202) 877-7000 · Fax (202) 877-0534
Phone(202) 877-7000
Fax(202) 877-0534
Sole ProprietorNo
Enumeration DateDecember 15, 2005
Last NPPES UpdateSeptember 14, 2020
NPPES CertifiedSeptember 14, 2020
✔ NPI 1063498780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in DC · MD048023
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
110 IRVING ST NW, Washington, DC 20010
Open in Google Maps ↗

Secondary Practice Location 1

Location 1146 W Dale St, Suite 201Waterloo, IA 50703-1901 · Phone (319) 234-4431 · Fax (319) 235-5004

Other Identifiers 3

Medicaid0463000IA
OtherP00299895IA · Rr Medicare
Medicaid1463000IA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mouin S Abdallah Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mouin Abdallah 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
2.2 mi
Internal Medicine
1145 19TH ST NW, SUITE 311
Washington, DC 20036
  • Reassigned Medicare billing, Maryland enrollment
  • 2,602 clinicians in this Medicare group
NPI 1376887844 (202) 429-2401
Wooster Clinic, LLC
292 mi
Multi-Specialty
1740 CLEVELAND RD
Wooster, OH 44691
  • Reassigned Medicare billing, Ohio enrollment
  • 837 clinicians in this Medicare group
NPI 1033135009 (330) 287-4500

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20010 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

MS. JANET E JUMPER N.P.
Nurse Practitioner (Acute Care)
110 IRVING ST NW, 4B42
WASHINGTON, DC 20010
District of Columbia (202) 877-7462
EMILY JEAN SIEGEL MD
Student in an Organized Health Care Education/Training Program
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-8080
KIMBERLY SMITH
Radiology (Diagnostic Radiology)
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (301) 902-1073
MISS ORE-OLUWA ODULANA LIMA DA SILVA CRNA
Nurse Anesthetist, Certified Registered
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7504
DR. FAY HORNG M.D.
Anesthesiology
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7504
DR. MICHAEL B SHVARTS MD
Radiology (Diagnostic Radiology)
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7000
DR. SCOTT THOMAS MARTYNA D.M.D.
Student in an Organized Health Care Education/Training Program
110 IRVING ST NW, DEPT. OF ORAL AND MAXILLOFACIAL SURGERY
WASHINGTON, DC 20010
District of Columbia (202) 877-7332
MS. NOOR-UL-HUDA AMER MEHDI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7000

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 Mouin Abdallah's NPI number?

The NPI number for Mouin Abdallah is 1063498780. It was assigned to this individual provider in the NPPES registry on December 15, 2005.

Where is Mouin Abdallah located?

Mouin Abdallah practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (202) 877-7000.

What is Mouin Abdallah's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mouin Abdallah enrolled in Medicare?

Yes. Mouin Abdallah is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mouin Abdallah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mouin Abdallah reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Wooster Clinic, LLC (Wooster, OH). 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 Mouin Abdallah'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 Mouin Abdallah was last updated on September 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.