NPI Atlas

Mr. Ernesto Marrero, MSN, FNP

Nurse Practitioner in Round Rock, Texas. NPI 1104428416.

NPI1104428416

Registry record

NPI
1104428416
Profession
Nurse Practitioner (NP)
Specialty
Nurse Practitioner (363L00000X)
Practice address
2631 Gattis School Rd Ste 150
Round Rock, TX 78664
In the registry since
November 11, 2020
Last NPPES update
September 29, 2023
Sole proprietor
Yes
License
F11200009 (TX)

At this location

This location lists no other NP or PA providers in our current data.

In context

The NPI number of Ernesto Marrero is 1104428416. They are a Nurse Practitioner in Round Rock, Texas.

Ernesto Marrero is one of 50 Nurse Practitioners in Round Rock and one of 6,739 across Texas in our data. Round Rock ranks #15 among Texas cities in our dataset, with 530 NP and PA providers.

The NPI has been in the federal registry for 5 years, since November 11, 2020.

Frequently asked questions

What is NPI 1104428416?

NPI 1104428416 is the 10-digit National Provider Identifier assigned to Ernesto Marrero, a Nurse Practitioner practicing in Round Rock, Texas. The record has been in the NPPES registry since November 11, 2020.

How do I verify this provider?

Cross-check NPI 1104428416 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license F11200009 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.

Is this information current?

This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as September 29, 2023. We refresh our data each month when CMS publishes a new file.

Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.