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Elizabeth Grizzaffi is one of 1,419 physician assistants practicing in Houston, Texas .
Elizabeth Grizzaffi practices with Martha St. John, M.D., P.A.
Registry record (NPPES)
NPI
1124311584
Type
Type 1 · Individual
Primary taxonomy
Physician Assistant · 363A00000X
Address on file
14811 Saint Marys Ln Ste 270 Houston, TX 77079-2908 (713) 497-3500
Enumerated
May 18, 2011
Record last updated
Feb 22, 2022
License states listed
TX
Medicare (CMS)
Enrollment
Medicare-enrolled in TXPhysician Assistant
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
14811 Saint Marys Ln Suite 270
Houston , TX 77079
(281) 497-3500
More physician assistants in Houston
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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