Mary Elizabeth Willis is one of 1,162 nurse practitioners practicing in Austin, Texas .
Mary Elizabeth Willis practices with Dreem Sleep Clinic PA.
Registry record (NPPES)
NPI
1003035148
Type
Type 1 · Individual
Primary taxonomy
Nurse Practitioner, Family · 363LF0000X
Address on file
1250 E Marshall St
Enumerated
Apr 25, 2007
Record last updated
Feb 13, 2026
License states listed
CA, VA
Medicare (CMS)
Enrollment
Medicare-enrolled in CA, TXNurse Practitioner
Revalidation due
No date set by CMS
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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history
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Practice locations
2021 Guadalupe StAustin , TX 78705
More nurse practitioners in Austin
Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.
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