Registry record
- NPI
- 1780001545
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 310 Freeport St Ste A
Houston, TX 77015 - Phone
- 7134536351
- In the registry since
- March 18, 2014
- Last NPPES update
- March 8, 2021
- Sole proprietor
- No
- License
- 444134 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Mary Lyons is 1780001545. They are a Family Nurse Practitioner in Houston, Texas.
Mary Lyons is one of 2,753 Family Nurse Practitioners in Houston and one of 22,499 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 12 years, since March 18, 2014.
Frequently asked questions
What is NPI 1780001545?
NPI 1780001545 is the 10-digit National Provider Identifier assigned to Mary Lyons, a Family Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since March 18, 2014.
How do I verify this provider?
Cross-check NPI 1780001545 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 444134 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 March 8, 2021. 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.