Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARINA PETSALIS MD
NPI 1538798293
Surgery in Houston, TX

Active since April 05, 2020PECOS Enrolled
6410 FANNIN ST STE 1400, HOUSTON, TX 77030(832) 325-7125 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 5, 2026, Apr 5, 2020 (2 updates tracked since 2020).

About Dr. Marina Petsalis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARINA PETSALIS MD (NPI 1538798293) is an individual surgery provider in Houston, Texas, licensed in Texas (W6350) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1538798293
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. MARINA PETSALISCredential: MD
Location Address6410 FANNIN ST STE 1400Houston, TX 77030-5389
Mailing Address6410 Fannin St Ste 1400Houston, TX 77030-5389
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 5, 2020
Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1538798293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in TX · W6350
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
6410 FANNIN ST STE 1400, Houston, TX 77030

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marina Petsalis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7416413208
PECOS Enrollment IDI20260731002293
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marina Petsalis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
4900 MUELLER BLVD
Austin, TX 78723
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Student in an Organized Health Care Education/Training Program
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Surgery
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6410 FANNIN ST STE 1400
HOUSTON, TX 77030
Colon & Rectal Surgery
6410 FANNIN ST STE 1400
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 Marina Petsalis's NPI number?

The NPI number for Marina Petsalis is 1538798293. It was assigned to this individual provider in the NPPES registry on April 5, 2020.

Where is Marina Petsalis located?

Marina Petsalis practices at 6410 Fannin St Ste 1400, Houston, TX 77030. The listed phone number is (832) 325-7125.

What is Marina Petsalis's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Marina Petsalis enrolled in Medicare?

Yes. Marina Petsalis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marina Petsalis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marina Petsalis reassigns Medicare benefits to University Of Texas Southwestern Medical Center At Dallas (Austin, 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 Marina Petsalis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marina Petsalis was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.