DR. MARK TULLOS M.D.
NPI 1952365207
Surgery in Victoria, TX
About Dr. Mark Tullos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK TULLOS M.D. (NPI 1952365207) is an individual surgery provider in Victoria, Texas, licensed in Texas (M3773) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Citizens Medical Center, and is a graduate of Baylor College Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
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. Mark Tullos 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 Reassignment
Medicare enrollment records show Mark Tullos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Victoria, TX 77901
- Reassigned Medicare billing, Texas enrollment
- 318 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 10
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Citizens Medical Center
Acute Care Hospitals · Victoria, TXDe Tar Hospital Navarro
Acute Care Hospitals · Victoria, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
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 Mark Tullos's NPI number?
The NPI number for Mark Tullos is 1952365207. It was assigned to this individual provider in the NPPES registry on April 13, 2006.
Where is Mark Tullos located?
Mark Tullos practices at 605 E San Antonio St Ste 510E, Victoria, TX 77901. The listed phone number is (361) 576-9342.
What is Mark Tullos's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Mark Tullos enrolled in Medicare?
Yes. Mark Tullos 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 organization bills Medicare for Mark Tullos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tullos reassigns Medicare benefits to Regional Employee Assistance Program Inc (Victoria, 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 Mark Tullos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Tullos 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 and 3 other insurers list Mark Tullos 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 Mark Tullos affiliated with any hospitals?
According to CMS data, Mark Tullos is affiliated with Citizens Medical Center and De Tar Hospital Navarro.
When was this NPI record last updated?
The NPPES record for Mark Tullos was last updated on December 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.