Registry record
- NPI
- 1669952891
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 4906 Aquagate Dr
Spring, TX 77373 - Phone
- 2813500485
- In the registry since
- August 16, 2018
- Last NPPES update
- August 16, 2018
- Sole proprietor
- Yes
- License
- API34685 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Cynthia Grigalonis is 1669952891. They are a Family Nurse Practitioner in Spring, Texas.
Cynthia Grigalonis is one of 193 Family Nurse Practitioners in Spring and one of 22,499 across Texas in our data.
The NPI has been in the federal registry for 7 years, since August 16, 2018.
Frequently asked questions
What is NPI 1669952891?
NPI 1669952891 is the 10-digit National Provider Identifier assigned to Cynthia Grigalonis, a Family Nurse Practitioner practicing in Spring, Texas. The record has been in the NPPES registry since August 16, 2018.
How do I verify this provider?
Cross-check NPI 1669952891 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license API34685 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 August 16, 2018. 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.