DR. BRETT GAMMA MD
NPI 1215980255
Emergency Medicine in Rockville, MD
About Dr. Brett Gamma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRETT GAMMA MD (NPI 1215980255) is an individual emergency medicine provider in Rockville, Maryland, licensed in Maryland (D) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare Shady Grove Medical Center, and is a graduate of George Washington University School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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. Brett Gamma 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
4Medicare enrollment records show Brett Gamma reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 251 clinicians in this Medicare group
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, District of Columbia enrollment
- 347 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 96 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 Shady Grove Medical Center
Acute Care Hospitals · Rockville, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20850 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.
ROCKVILLE, MD 20850
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 Brett Gamma's NPI number?
The NPI number for Brett Gamma is 1215980255. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Brett Gamma located?
Brett Gamma practices at 9901 Medical Center Dr, Rockville, MD 20850. The listed phone number is (240) 364-2515.
What is Brett Gamma's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Brett Gamma enrolled in Medicare?
Yes. Brett Gamma 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 Brett Gamma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Gamma reassigns Medicare benefits to 4 organizations: Mep Health, LLC (Rockville, MD), Adventist Physician Services, Inc. (Gaithersburg, MD), Usacs Integrated Acute Care Services Of Maryland, LLC (Elkton, MD) and Mep Observation Services LLC (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 Brett Gamma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brett Gamma affiliated with any hospitals?
According to CMS data, Brett Gamma is affiliated with Adventist Healthcare Shady Grove Medical Center.
When was this NPI record last updated?
The NPPES record for Brett Gamma was last updated on March 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Brett Gamma, MD · NPI 1215980255
Emergency Medicine physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1215980255 (Entity type: Individual)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9901 MEDICAL CENTER DR, Rockville, MD 20850-3357
- **Phone:** (240) 364-2515
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mep Health, LLC (NPI 1164483558, Rockville, MD); Adventist Physician Services, Inc. (NPI 1376623207, Gaithersburg, MD); Usacs Integrated Acute Care Services Of Maryland, LLC (NPI 1922598929, Elkton, MD); Mep Observation Services LLC (NPI 1093003550, Cumberland, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** March 18, 2010
- **Other identifiers:** Medicaid 225511100 (MD); Medicare PIN 068NN895 (MD); Medicare PIN 930067201 (DC); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1215980255) · Data from the CMS NPPES public registry.