SAMANTHA LOUISE ZARRO MD
NPI 1477179984
Internal Medicine - Gastroenterology in Dallas, TX
About Samantha Louise Zarro Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMANTHA LOUISE ZARRO MD (NPI 1477179984) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (U4055) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Texas Medical Branch At Galveston (2020).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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 (PECOS)
Samantha Louise Zarro Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Samantha Zarro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irving, TX 75039
- Reassigned Medicare billing, Texas enrollment
- 575 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.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75246 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.
DALLAS, TX 75246
DALLAS, TX 75246
DALLAS, TX 75246
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 Samantha Zarro's NPI number?
The NPI number for Samantha Zarro is 1477179984. It was assigned to this individual provider in the NPPES registry on June 20, 2020. The provider is also known as Samantha Louise Stubbs.
Where is Samantha Zarro located?
Samantha Zarro practices at 3500 Gaston Ave, Dallas, TX 75246. The listed phone number is (496) 515-8057.
What is Samantha Zarro's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Samantha Zarro enrolled in Medicare?
Yes. Samantha Zarro is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Samantha Zarro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Zarro reassigns Medicare benefits to Texas Digestive Disease Consultants, PLLC (Irving, TX). The 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 Samantha Zarro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samantha Zarro accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma list Samantha Zarro 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 Samantha Zarro affiliated with any hospitals?
According to CMS data, Samantha Zarro is affiliated with Baylor University Medical Center.
When was this NPI record last updated?
The NPPES record for Samantha Zarro was last updated on June 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Samantha Louise Zarro, MD · NPI 1477179984
Gastroenterology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since June 20, 2020.
## Identity
- **NPI:** 1477179984 (Entity type: Individual)
- **Enumerated:** June 20, 2020
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** U4055 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3500 GASTON AVE, Dallas, TX 75246-2017
- **Phone:** (496) 515-8057
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Texas Digestive Disease Consultants, PLLC (NPI 1053397331, Irving, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 2020
## Record status
- **NPPES last updated:** June 12, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1477179984) · Data from the CMS NPPES public registry.