Johanna Vivienne Leyco-Policarpio, M.D.
NPI 1659508265 · Endocrinology, Diabetes & Metabolism Physician · Katy, TX
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johanna Vivienne Leyco-Policarpio, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Katy, TX (NPI 1659508265).
Provider details
- NPI number
- 1659508265
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P1193 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
372 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 246 | $122 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 48 | $172 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 45 | $33 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 20 | $210 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $159 |
Typical Medicare-allowed amounts for these services range $33–$210 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 232 | 69 |
| Tirzepatidebrand: Mounjaro | 194 | 28 |
| Metformin Hclbrand: Metformin Hcl Er | 187 | 69 |
| Semaglutidebrand: Ozempic | 181 | 40 |
| Empagliflozinbrand: Jardiance | 80 | 22 |
| Alendronate Sodium | 63 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,068 across 61 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-22
- Last updated
- 2015-01-05
Frequently asked questions
- What is Johanna Vivienne Leyco-Policarpio's NPI number?
- Johanna Vivienne Leyco-Policarpio's National Provider Identifier (NPI) is 1659508265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Vivienne Leyco-Policarpio's specialty?
- Johanna Vivienne Leyco-Policarpio is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Johanna Vivienne Leyco-Policarpio located?
- Johanna Vivienne Leyco-Policarpio's practice location on file with NPPES is 21308 Provincial Blvd, Katy, TX 77450-7580.
- What is Johanna Vivienne Leyco-Policarpio's phone number?
- The practice phone number listed in the NPPES registry for Johanna Vivienne Leyco-Policarpio is (281) 206-8201.
- Does Johanna Vivienne Leyco-Policarpio accept Medicare?
- Johanna Vivienne Leyco-Policarpio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johanna Vivienne Leyco-Policarpio's NPI active?
- Yes — Johanna Vivienne Leyco-Policarpio's NPI (1659508265) is active in the NPPES registry as of the last update on 2015-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.