Ralph Grinnell is one of 1,633 nurse practitioners practicing in San Antonio, Texas .
Ralph Grinnell practices with TMC Provider Group PLLC.
Registry record (NPPES)
NPI
1457666109
Type
Type 1 · Individual
Primary taxonomy
Nurse Practitioner, Family · 363LF0000X
Address on file
5107 Medical Dr
Enumerated
Aug 18, 2010
Record last updated
Oct 13, 2015
License states listed
TX
Medicare (CMS)
Enrollment
Medicare-enrolled in 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
23611W Interstate 10San Antonio , TX 78257
More nurse practitioners in San Antonio
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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