Johanna Vivienne Ferriols Leyco-Policarpio, M.D.
Endocrinology, Diabetes & Metabolism Physician · Katy, TX
Johanna Vivienne Ferriols Leyco-Policarpio, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Katy, Texas, and NPI 1659508265, issued on Jun 22, 2009. Check the license (Texas P1193, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Johanna Vivienne Ferriols Leyco-Policarpio
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- P1193 TX
Self-reported in NPPES; status is on the state search - Practice location
- 21308 Provincial Blvd, Katy, TX 77450
- Phone
- (281) 206-8201
- Enumerated
- Jun 22, 2009
- Record last updated
- Jan 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (281) 206-8206
- Medicare enrollment
- Enrolled (PECOS I20120912000094); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →
Also registered at 21308 Provincial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keanan Beierle, PAPhysician Assistant1316241730
- Radha BernanderMedical Physician Assistant1396273595
- Mahnaz Kolaini, M.ED., LPCProfessional Counselor1114116712
- Kruti Patel-Konasagar, NURSE PRACTITIONERFamily Nurse Practitioner1932714722
- Elina Shakya, MDEndocrinology, Diabetes & Metabolism Physician1265666846
Verify Johanna Vivienne Ferriols Leyco-Policarpio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P1193Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,219 Medicare Part D claims for 219 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Levothyroxine Sodium232 claims
- Mounjaro194 claims
- Metformin Hcl Er187 claims
- Ozempic181 claims
- Jardiance80 claims
- Alendronate Sodium63 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,068.14
61 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Katy Diabetes And Endocrinology PLLCKaty, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna Vivienne Ferriols Leyco-Policarpio among 743 endocrinology, diabetes & metabolism physician records in Texas
Johanna Vivienne Ferriols Leyco-Policarpio, M.D. is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 59% of them.
- NPI issued2009 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2003 · median 2004 among the 560 with a school on file
- Record last updated2015 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Texas
There are 743 endocrinology, diabetes & metabolism physician records in Texas.
All 743 in Texas → Every provider in Katy → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Preeya Raghu, M.D.Katy, TX 774501558520015
- Elina Shakya, MDKaty, TX 774501265666846
- Perihan Dimachkie, MDKaty, TX 774491457606113
- Farah Mushtaq, M.DKaty, TX 774491669727228
- Husam Ghusn, M.D.Missouri City, TX 774591871585588
- Ana Ruiz Allison, M.D.Missouri City, TX 774591861436073
- Neel Shah, MDMissouri City, TX 774591154525749
- Areeba Altaf, MDCypress, TX 774331346802022
Common questions
What is Johanna Vivienne Ferriols Leyco-Policarpio, M.D.'s NPI number?
Johanna Vivienne Ferriols Leyco-Policarpio, M.D.'s National Provider Identifier (NPI) is 1659508265, issued on Jun 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Johanna Vivienne Ferriols Leyco-Policarpio, M.D. located?
The NPPES record lists a practice address at 21308 Provincial Blvd, Katy, TX, 77450. Phone: (281) 206-8201. Providers update this record themselves, so call before visiting.
How can I verify Johanna Vivienne Ferriols Leyco-Policarpio, M.D.'s license?
NPPES lists Texas license number P1193, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johanna Vivienne Ferriols Leyco-Policarpio, M.D. prescribe under Medicare Part D?
In 2024, Johanna Vivienne Ferriols Leyco-Policarpio, M.D. had 2,219 Medicare Part D claims for 219 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.