MARLA BROOKE SAMMER M.D.
NPI 1851400618
Radiology - Pediatric Radiology in Houston, TX
About Marla Brooke Sammer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARLA BROOKE SAMMER M.D. (NPI 1851400618) is an individual pediatric radiology provider in Houston, Texas, licensed in Texas (R3950) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Erlanger Medical Center, and maintains a secondary practice location in Chattanooga.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Marla Brooke Sammer 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
4Medicare enrollment records show Marla Sammer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Galveston, TX 77555
- Reassigned Medicare billing, Texas enrollment
- 2,222 clinicians in this Medicare group
San Antonio, TX 78215
- Reassigned Medicare billing, Texas enrollment
- 91 clinicians in this Medicare group
Chattanooga, TN 37403
- Reassigned Medicare billing, Georgia, North Carolina, Tennessee and Texas enrollments
- 36 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Erlanger Medical Center
Acute Care Hospitals · Chattanooga, TNTexas Childrens Hosp
Childrens · Houston, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Marla Sammer's NPI number?
The NPI number for Marla Sammer is 1851400618. It was assigned to this individual provider in the NPPES registry on August 29, 2006.
Where is Marla Sammer located?
Marla Sammer practices at 6651 Main St, Houston, TX 77030. The listed phone number is (832) 824-1000.
What is Marla Sammer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is Marla Sammer enrolled in Medicare?
Yes. Marla Sammer 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 Marla Sammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marla Sammer reassigns Medicare benefits to 4 organizations: Texas Children's Physician Group (Houston, TX), Utmb Faculty Group Practice (Galveston, TX), Vhs San Antonio Imaging Partners, LP (San Antonio, TX) and Tennessee Interventional And Imaging Associates, PLLC (Chattanooga, TN). 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 Marla Sammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marla Sammer accept?
Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc. and Oscar Insurance Company list Marla Sammer 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 Marla Sammer affiliated with any hospitals?
According to CMS data, Marla Sammer is affiliated with Erlanger Medical Center and Texas Childrens Hosp.
When was this NPI record last updated?
The NPPES record for Marla Sammer was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Marla Brooke Sammer, M.D. · NPI 1851400618
Pediatric Radiology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since August 29, 2006.
## Identity
- **NPI:** 1851400618 (Entity type: Individual)
- **Enumerated:** August 29, 2006
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** R3950 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6651 MAIN ST, Houston, TX 77030-2351
- **Phone:** (832) 824-1000
## 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): Texas Children's Physician Group (NPI 1861675506, Houston, TX); Utmb Faculty Group Practice (NPI 1942241146, Galveston, TX); Vhs San Antonio Imaging Partners, LP (NPI 1457350993, San Antonio, TX); Tennessee Interventional And Imaging Associates, PLLC (NPI 1043632433, Chattanooga, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** May 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851400618) · Data from the CMS NPPES public registry.