Registry record
- NPI
- 1730673781
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 417 S King St
Seguin, TX 78155 - Phone
- 8558767246
- In the registry since
- June 21, 2018
- Last NPPES update
- November 13, 2025
- Sole proprietor
- No
- License
- AP137595 (TX)
At this location
One other provider in our data lists 417 S King St, Seguin as a practice address:
- Shaliah Janae Howard, WHNP
Women's Health Nurse Practitioner · NPI 1851120273
In context
The NPI number of Dawn Olynyk-Katan is 1730673781. They are a Family Nurse Practitioner in Seguin, Texas.
Dawn Olynyk-Katan is one of 16 Family Nurse Practitioners in Seguin and one of 22,499 across Texas in our data.
The NPI has been in the federal registry for 8 years, since June 21, 2018.
Frequently asked questions
What is NPI 1730673781?
NPI 1730673781 is the 10-digit National Provider Identifier assigned to Dawn Olynyk-Katan, a Family Nurse Practitioner practicing in Seguin, Texas. The record has been in the NPPES registry since June 21, 2018.
How do I verify this provider?
Cross-check NPI 1730673781 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP137595 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 November 13, 2025. 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.