NPI Atlas

Sydney Messlein, PA-C

Physician Assistant in Galveston, Texas. NPI 1215507447.

NPI1215507447

Registry record

NPI
1215507447
Profession
Physician Assistant (PA)
Specialty
Physician Assistant (363A00000X)
Practice address
815 Market St
Galveston, TX 77550
Phone
4097706515
In the registry since
June 29, 2021
Last NPPES update
March 2, 2023
Sole proprietor
No

At this location

12 other providers in our data list 815 Market St, Galveston as a practice address:

In context

The NPI number of Sydney Messlein is 1215507447. They are a Physician Assistant in Galveston, Texas.

Sydney Messlein is one of 56 Physician Assistants in Galveston and one of 11,405 across Texas in our data.

The NPI has been in the federal registry for 5 years, since June 29, 2021.

Frequently asked questions

What is NPI 1215507447?

NPI 1215507447 is the 10-digit National Provider Identifier assigned to Sydney Messlein, a Physician Assistant practicing in Galveston, Texas. The record has been in the NPPES registry since June 29, 2021.

How do I verify this provider?

Cross-check NPI 1215507447 in the official CMS registry at npiregistry.cms.hhs.gov. 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 2, 2023. 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.