Estela Del Carmen Ayala Meyer, M.D.
NPI 1063608719ActiveIndividual· Internal Medicine, Pulmonary Disease· Mountain View, CA
Internal Medicine, Pulmonary Disease (M.D.) with Sutter Bay Medical Foundation, practicing in Mountain View, California. Their prescriptions cost Medicare Part D more than their services did: $1,143,945 for 1,782 claims, against $154,583 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 8 companies reporting payments in 2025, $562.89 in all, mostly food and beverage. Lists El Camino Health as a hospital affiliation.
Overview
| NPI | 1063608719 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 17, 2007 |
| Last updated in NPPES | Sep 5, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A92908 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 1,404 across 38 procedure codes |
| Paid by Medicare | $154,583 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,782 · 2,471 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $1,143,945 |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- El Camino HealthMountain View, CA
Industry payments (Open Payments)
- 2025$562.89 · 24 payments from 8 companies
- 2024$179.64 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $160.49 | 6 |
| Astrazeneca Pharmaceuticals LP | $121.00 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $98.21 | 4 |
| Verona Pharma, Inc. | $49.04 | 2 |
| Genzyme Corporation | $40.58 | 2 |
What the 2025 payments were for
- Food and Beverage$562.89 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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