Sydney Messlein, PA-C
Physician Assistant · Galveston, TX
Sydney Messlein, PA-C is a physician assistant with a practice address in Galveston, Texas, and NPI 1215507447, issued on Jun 29, 2021. Check the license with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sydney Messlein
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 815 Market St, Galveston, TX 77550
- Phone
- (409) 770-6515
- Enumerated
- Jun 29, 2021
- Record last updated
- Mar 2, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 815 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alyssa Fick, DPT, PTPhysical Medicine & Rehabilitation Physician1437935863
- James Gallagher, M.D.Surgical Critical Care Physician1184732182
Verify Sydney Messlein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sydney Messlein among 10,999 physician assistant records in Texas
Sydney Messlein, PA-C is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 69% of them.
- NPI issued2021 · 69% of these records are older, 26% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 physician assistant records list a practice address in Galveston
They are 58 of the 2,532 NPPES records with a practice address in Galveston, and 10,999 physician assistant records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,999 in Texas → Every provider in Galveston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Haya AbdellatifGalveston, TX 775501518409903
- Holly Goode, P.A.Galveston, TX 775501871763797
- Darnell Morgan, PACGalveston, TX 775501063472215
- Nicole Oulela, PA-CGalveston, TX 775501568117224
- Kendall Strain, PA-CGalveston, TX 775501225548472
- Brooke TaylorGalveston, TX 775501255780060
- Shannon UnruhGalveston, TX 775501659743862
- Lewis Landsman, P.A.Galveston, TX 775511922195791
Common questions
What is Sydney Messlein, PA-C's NPI number?
Sydney Messlein, PA-C's National Provider Identifier (NPI) is 1215507447, issued on Jun 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Messlein, PA-C located?
The NPPES record lists a practice address at 815 Market St, Galveston, TX, 77550. Phone: (409) 770-6515. Providers update this record themselves, so call before visiting.
How can I verify Sydney Messlein, PA-C's license?
Search the Texas board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.