Gopi Ayer, M.D.
NPI 1396701512ActiveIndividual· Internal Medicine· Los Gatos, CA
Internal Medicine (M.D.) in Los Gatos, California, licensed in CA, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $1,156,502 for 7,540 claims, against $253,642 paid for services in 2024. Amgen Inc. was the largest of 11 companies reporting payments in 2025, $355.29 in all, mostly food and beverage. Lists El Camino Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1396701512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | May 2, 2021 |
| Certified by provider | May 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A42713 | CA |
| Specialist | 174400000X | A42713 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 547 |
|---|---|
| Services billed | 3,717 across 25 procedure codes |
| Paid by Medicare | $253,642 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,540 · 19,372 30-day fills |
|---|---|
| Patients | 657 |
| Total drug cost | $1,156,502 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- El Camino HealthMountain View, CA
- Good Samaritan HospitalSan Jose, CA
- Stanford Health CareStanford, CA
Other facilities
- Ascension Healthcare ServicesHome health agency · Campbell, CA
- Best Home Health Providers, IncHome health agency · Hayward, CA
- Sequoia Home HealthHome health agency · Milpitas, CA
Industry payments (Open Payments)
- 2025$355.29 · 16 payments from 11 companies
- 2024$307.48 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $73.48 | 3 |
| Glaxosmithkline, LLC. | $44.44 | 2 |
| Lilly USA, LLC | $42.02 | 2 |
| Pfizer Inc. | $35.66 | 2 |
| Seqirus USA Inc | $32.39 | 1 |
What the 2025 payments were for
- Food and Beverage$355.29 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 internal medicine physicians in Los Gatos · All internal medicine physicians in California