DR. ROBERT RYAN BYRNE M.D.
NPI 1508200882
Internal Medicine - Gastroenterology in Columbia, MD
About Dr. Robert Ryan Byrne M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT RYAN BYRNE M.D. (NPI 1508200882) is an individual gastroenterology provider in Columbia, Maryland, licensed in Maryland (D0102533) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare White Oak Medical Center, and is a graduate of Indiana University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
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
Dr. Robert Ryan Byrne 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
2Medicare enrollment records show Robert Byrne reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21045
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 37 clinicians in this Medicare group
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia enrollment
- 6 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventist Healthcare White Oak Medical Center
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21045 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBIA, MD 21045
COLUMBIA, MD 21045
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 Byrne's NPI number?
The NPI number for Robert Byrne is 1508200882. It was assigned to this individual provider in the NPPES registry on April 17, 2013.
Where is Robert Byrne located?
Robert Byrne practices at 7120 Minstrel Way Ste 100, Columbia, MD 21045. The listed phone number is (410) 290-6677.
What is Robert Byrne's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Robert Byrne enrolled in Medicare?
Yes. Robert Byrne 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 Byrne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Byrne reassigns Medicare benefits to 2 organizations: Gastro Center Of Maryland LLC (Columbia, MD) and Gastro Virginia LLC (Fairfax, 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 Robert Byrne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Byrne accept?
Health plans from Security Health Plan list Robert Byrne 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.
Is Robert Byrne affiliated with any hospitals?
According to CMS data, Robert Byrne is affiliated with Adventist Healthcare White Oak Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Byrne was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Robert Ryan Byrne, M.D. · NPI 1508200882
Gastroenterology physician in Columbia, Maryland. Individual provider, active in the CMS NPPES registry since April 17, 2013.
## Identity
- **NPI:** 1508200882 (Entity type: Individual)
- **Enumerated:** April 17, 2013
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** D0102533 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7120 MINSTREL WAY STE 100, Columbia, MD 21045-5274
- **Phone:** (410) 290-6677
## 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): Gastro Center Of Maryland LLC (NPI 1164609111, Columbia, MD); Gastro Virginia LLC (NPI 1003632373, Fairfax, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** July 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1508200882) · Data from the CMS NPPES public registry.