Sydney Michelle Messlein, PA-C

  • Galveston, TX
  • Physician assistant
NPI1215507447
Hospital affiliations
1
Medical groups
2
Year NPI issued
2021
Practice address
815 Market Street, Galveston, TX 77550
Practice phone
Call (409) 770-6600
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Shriners Children's Texas

Hospital · Galveston, Texas

See all 3 affiliations

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Sydney Michelle Messlein is a physician assistant in Galveston, Texas

Sydney Messlein practices at Shriners Children's Texas in Galveston, Texas, part of Shriners Hospitals for Children.

Sydney Messlein's NPI, 1215507447, was assigned on June 29, 2021.

NPI and contact details
NPI enumeration date
June 29, 2021
NPI status
Active
Practice phone
(409) 770-6600
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Sydney Michelle Messlein practices at Shriners Children's Texas in Galveston, Texas

Sydney Messlein's primary practice is Shriners Children's Texas, at 815 Market Street, Galveston, TX 77550 in Galveston County. The practice phone is (409) 770-6600.

Source: Dmand AI Affiliation Data

Sydney Michelle Messlein is affiliated with 1 site of care and 2 medical groups

Sydney Messlein's primary practice is Shriners Children's Texas in Galveston, Texas, part of Shriners Hospitals for Children. The medical group on file is Shriners Hospitals For Children. Dmand AI also links Sydney Messlein to 1 more medical group, named with a free account.

See all 3 affiliations for Sydney Messlein

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sydney Michelle Messlein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sydney Messlein practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Shriners Children's TexasAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Shriners Hospitals for Children and 6.2K+ hospitals, with verified contacts in the same login.

Sydney Michelle Messlein is one of 8,663 physician assistants in Texas

Physician assistant is Sydney Messlein's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Sydney Messlein

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sydney Michelle Messlein's patients have a median age of 11

Across all payers, Dmand AI patient panel data puts Sydney Messlein's median patient age at 11, with 49% women.

Sydney Messlein's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 11

Patient panel by sex, all payers

  • Women49%
  • Men50%

Source: Dmand AI Patient Panel Data

Sources for Sydney Michelle Messlein's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sydney Michelle Messlein

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sydney Michelle Messlein's NPI number?

Sydney Michelle Messlein's NPI number is 1215507447. It was assigned on June 29, 2021, and it is active in the NPI Registry.

What does Sydney Michelle Messlein specialize in?

Sydney Michelle Messlein is a physician assistant in Galveston, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Sydney Michelle Messlein practice?

Sydney Messlein practices at 815 Market Street, Galveston, TX 77550. Sydney Messlein's primary practice is Shriners Children's Texas in Galveston, Texas, part of Shriners Hospitals for Children. Dmand AI also links Sydney Messlein to 1 medical group.

What is Sydney Michelle Messlein's office phone number?

The practice phone on file for Sydney Messlein is (409) 770-6600.

Which hospitals is Sydney Michelle Messlein affiliated with?

Sydney Messlein practices at Shriners Children's Texas in Galveston, Texas.

What medical group is Sydney Michelle Messlein part of?

Sydney Messlein is linked to Shriners Hospitals For Children. Dmand AI links Sydney Messlein to 1 more medical group.

How long has Sydney Michelle Messlein been practicing?

Sydney Messlein graduated from medical school in 2021, 5 years ago.

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