Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gretchen Maria Sinclair, FNP

Individual provider Family Nurse Practitioner · NPI 1881903649

Gretchen Maria Sinclair, FNP is a Nurse Practitioner in San Antonio, Texas. Qualified in 2010, 16 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
16
Licensed in
TX
In the registry since
2010
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

4800 Fredericksburg Rd Ste 127
San Antonio, TX 78229-3628
Phone: (210) 733-5072
Fax: (210) 733-8649
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 714323 (TX)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 714323 (TX)

Record details

NPI number1881903649
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedSeptember 28, 2010
Last updated in NPPESJuly 10, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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