ARUL M THOMAS MD
NPI 1104085448
Internal Medicine - Hepatology in Washington, DC
About Arul M Thomas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARUL M THOMAS MD (NPI 1104085448) is an individual hepatology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD043346) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and is a graduate of Virginia Commonwealth Univ School Of Dentistry (2008).
NPPES Registry Identity
Specialties & Licenses
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
Arul M Thomas Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Arul Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1376887844 (Maryland)
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1891797148 (Maryland)
- 861 clinicians in this Medicare group
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 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Saint Mary's Hospital
Acute Care Hospitals · Leonardtown, MDMedicare 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.
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.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Arul Thomas's NPI number?
The NPI number for Arul Thomas is 1104085448. It was assigned to this individual provider in the NPPES registry on June 2, 2008.
Where is Arul Thomas located?
Arul Thomas practices at 3800 Reservoir Rd NW Phc-2, Washington, DC 20007. The listed phone number is (202) 444-7254.
What is Arul Thomas's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.
Is Arul Thomas enrolled in Medicare?
Yes. Arul Thomas 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 Arul Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arul Thomas reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc 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 Arul Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Arul Thomas affiliated with any hospitals?
According to CMS data, Arul Thomas is affiliated with Medstar Saint Mary's Hospital.
When was this NPI record last updated?
The NPPES record for Arul Thomas was last updated on July 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Arul M Thomas, MD · NPI 1104085448
Hepatology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since June 2, 2008.
## Identity
- **NPI:** 1104085448 (Entity type: Individual)
- **Enumerated:** June 2, 2008
- **Primary specialty:** Internal Medicine - Hepatology · taxonomy 207RI0008X
- **State license:** MD043346 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3800 RESERVOIR RD NW, PHC-2, Washington, DC 20007-2113
- **Phone:** (202) 444-7254
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth Univ School Of Dentistry, class of 2008
## Record status
- **NPPES last updated:** July 28, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1104085448) · Data from the CMS NPPES public registry.