DR. NATHAN TERRY ORR M.D.
NPI 1912215609
Surgery - Vascular Surgery in Dallas, TX
About Dr. Nathan Terry Orr M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHAN TERRY ORR M.D. (NPI 1912215609) is an individual vascular surgery provider in Dallas, Texas, licensed in Texas (S8089) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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. Nathan Terry Orr 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 Nathan Orr reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75226
- Reassigned Medicare billing, Texas enrollment
- 20 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 3,167 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.
Areas of Expertise CMS Part B claims 19
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXBaylor Scott & White Medical Center At Irving
Acute Care Hospitals · Irving, TXBaylor Scott & White Medical Center- Waxahachie
Acute Care Hospitals · Waxahachie, TXBaylor Scott & White Medical Center Grapevine
Acute Care Hospitals · Grapevine, TXBaylor Scott & White Heart & Vascular Hospital - Dallas
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75226 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nathan Orr's NPI number?
The NPI number for Nathan Orr is 1912215609. It was assigned to this individual provider in the NPPES registry on September 16, 2010.
Where is Nathan Orr located?
Nathan Orr practices at 621 N Hall St Ste 100, Dallas, TX 75226. The listed phone number is (214) 821-9600.
What is Nathan Orr's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Nathan Orr enrolled in Medicare?
Yes. Nathan Orr 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 Nathan Orr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Orr reassigns Medicare benefits to 2 organizations: Texas Vascular Associates (Dallas, TX) and Healthtexas Provider Network (Dallas, TX). 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 Nathan Orr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathan Orr accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Buckeye Health Plan and Ambetter from Louisiana Healthcare Connections and 6 other insurers list Nathan Orr 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 Nathan Orr affiliated with any hospitals?
According to CMS data, Nathan Orr is affiliated with Baylor University Medical Center, Baylor Scott & White Medical Center At Irving, Baylor Scott & White Medical Center- Waxahachie, Baylor Scott & White Medical Center Grapevine and Baylor Scott & White Heart & Vascular Hospital - Dallas.
When was this NPI record last updated?
The NPPES record for Nathan Orr was last updated on September 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.