NPI Atlas

Kathryn Marranzino

Family Nurse Practitioner in Castle Hills, Texas. NPI 1427509553.

NPI1427509553

Registry record

NPI
1427509553
Profession
Nurse Practitioner (NP)
Specialty
Family Nurse Practitioner (363LF0000X)
Practice address
6915 West Ave
Castle Hills, TX 78213
Phone
2103411487
In the registry since
October 24, 2016
Last NPPES update
April 21, 2017
Sole proprietor
No
License
AP132323 (TX)

At this location

13 other providers in our data list 6915 West Ave, Castle Hills as a practice address:

In context

The NPI number of Kathryn Marranzino is 1427509553. They are a Family Nurse Practitioner in Castle Hills, Texas.

Kathryn Marranzino is one of 16 Family Nurse Practitioners in Castle Hills and one of 22,499 across Texas in our data.

The NPI has been in the federal registry for 9 years, since October 24, 2016.

Frequently asked questions

What is NPI 1427509553?

NPI 1427509553 is the 10-digit National Provider Identifier assigned to Kathryn Marranzino, a Family Nurse Practitioner practicing in Castle Hills, Texas. The record has been in the NPPES registry since October 24, 2016.

How do I verify this provider?

Cross-check NPI 1427509553 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP132323 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 April 21, 2017. 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.