Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Johanna Vivienne Ferriols Leyco-Policarpio, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1659508265

Johanna Vivienne Ferriols Leyco-Policarpio, MD is an Endocrinology in Katy, Texas. Qualified in 2003, 23 years ago. Practices with Katy Diabetes and Endocrinology PLLC, a 2-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
23
Licensed in
TX
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

21308 Provincial Blvd
Katy, TX 77450-7580
Phone: (281) 206-8201
Fax: (281) 206-8206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence P1193 (TX)

Record details

NPI number1659508265
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2009
Last updated in NPPESJanuary 5, 2015

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Katy Diabetes And Endocrinology Pllc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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