ROBERT MATTHEW GALLAGHER M.D.
NPI 1043396120
Internal Medicine - Cardiovascular Disease in Bethesda, MD
About Robert Matthew Gallagher M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT MATTHEW GALLAGHER M.D. (NPI 1043396120) is an individual cardiovascular disease provider in Bethesda, Maryland, licensed in Maryland (D83649) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Accepted Insurance
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
Robert Matthew Gallagher 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.
Medicare Billing Reassignments
5Medicare enrollment records show Robert Gallagher reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia, Virginia and Maryland enrollments
- Also billed through NPI 1578638425 (District of Columbia), NPI 1073678637 (District of Columbia), NPI 1497023188 (District of Columbia), NPI 1366781700 (District of Columbia), NPI 1225156367 (Virginia), NPI 1114677572 (Virginia), NPI 1285752121 (Maryland), NPI 1942546486 (Maryland), NPI 1457023616 (Maryland)
- 2,492 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1689485963 (Maryland)
- 691 clinicians in this Medicare group
Hyattsville, MD 20782
- Reassigned Medicare billing, Maryland enrollment
- 794 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 318 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 210 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20889 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
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 Robert Gallagher's NPI number?
The NPI number for Robert Gallagher is 1043396120. It was assigned to this individual provider in the NPPES registry on October 31, 2006.
Where is Robert Gallagher located?
Robert Gallagher practices at 8901 Wisconsin Ave Walter Reed National Military Medical Ctr, Cardiology, Bethesda, MD 20889. The listed phone number is (301) 295-4500.
What is Robert Gallagher's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Robert Gallagher enrolled in Medicare?
Yes. Robert Gallagher 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 Robert Gallagher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Gallagher reassigns Medicare benefits to 5 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD), Johns Hopkins Community Physicians (Arlington, VA), Luminis Health Medical Group, LLC (Hyattsville, MD), Upmc Western Maryland Health Services, LLC (Cumberland, MD) and Upmc Western Maryland Corporation (Cumberland, MD). 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 Robert Gallagher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Gallagher accept?
Health plans from CareSource and Taro Health list Robert Gallagher 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.
When was this NPI record last updated?
The NPPES record for Robert Gallagher was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Robert Matthew Gallagher, M.D. · NPI 1043396120
Cardiovascular Disease physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since October 31, 2006.
## Identity
- **NPI:** 1043396120 (Entity type: Individual)
- **Enumerated:** October 31, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** D83649 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8901 WISCONSIN AVE, WALTER REED NATIONAL MILITARY MEDICAL CTR, CARDIOLOGY, Bethesda, MD 20889-0004
- **Phone:** (301) 295-4500
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1376601872, Kensington, MD); Johns Hopkins Community Physicians (NPI 1902626765, Arlington, VA); Luminis Health Medical Group, LLC (NPI 1811494990, Hyattsville, MD); Upmc Western Maryland Health Services, LLC (NPI 1376302729, Cumberland, MD); Upmc Western Maryland Corporation (NPI 1285779884, Cumberland, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** December 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043396120) · Data from the CMS NPPES public registry.