NPI Atlas

Mrs. Cynthia Carol Ashdown, RN ANP

Adult Health Nurse Practitioner in Houston, Texas. NPI 1255333712.

NPI1255333712

Registry record

NPI
1255333712
Profession
Nurse Practitioner (NP)
Specialty
Adult Health Nurse Practitioner (363LA2200X)
Practice address
7400 Fannin St, Suite 850
Houston, TX 77054
In the registry since
August 15, 2005
Last NPPES update
September 11, 2025
Sole proprietor
No
License
520597 (TX)

At this location

11 other providers in our data list 7400 Fannin St, Houston as a practice address:

In context

The NPI number of Cynthia Ashdown is 1255333712. They are a Adult Health Nurse Practitioner in Houston, Texas.

Cynthia Ashdown is one of 349 Adult Health Nurse Practitioners in Houston and one of 1,584 across Texas in our data. Houston ranks #1 among Texas cities in our dataset, with 8,326 NP and PA providers.

The NPI has been in the federal registry for 20 years, since August 15, 2005.

Frequently asked questions

What is NPI 1255333712?

NPI 1255333712 is the 10-digit National Provider Identifier assigned to Cynthia Ashdown, a Adult Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since August 15, 2005.

How do I verify this provider?

Cross-check NPI 1255333712 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 520597 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 11, 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.