Registry record
- NPI
- 1598056665
- Profession
- Nurse Practitioner (NP)
- Specialty
- Nurse Practitioner (363L00000X)
- Practice address
- 5614 1st St
Katy, TX 77493 - Phone
- 7134875504
- In the registry since
- April 25, 2011
- Last NPPES update
- May 27, 2020
- Sole proprietor
- Yes
- License
- AP138194 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Stephanie Sai is 1598056665. They are a Nurse Practitioner in Katy, Texas.
Stephanie Sai is one of 57 Nurse Practitioners in Katy and one of 6,739 across Texas in our data. Katy ranks #14 among Texas cities in our dataset, with 538 NP and PA providers.
The NPI has been in the federal registry for 15 years, since April 25, 2011.
Frequently asked questions
What is NPI 1598056665?
NPI 1598056665 is the 10-digit National Provider Identifier assigned to Stephanie Sai, a Nurse Practitioner practicing in Katy, Texas. The record has been in the NPPES registry since April 25, 2011.
How do I verify this provider?
Cross-check NPI 1598056665 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP138194 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 May 27, 2020. 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.