Joseph D. Gayagoy, M.D.
NPI 1386738458ActiveIndividual· Internal Medicine· Lodi, CA
Internal Medicine (M.D.) in Lodi, California, licensed in CA, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $801,197 for 7,801 claims, against $183,215 paid for services in 2024. Lilly USA, LLC was the largest of 24 companies reporting payments in 2025, $3,533 in all, mostly food and beverage. Lists Adventist Health Lodi Memorial and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1386738458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Jan 12, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A56352 | 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 | 390 |
|---|---|
| Services billed | 16,297 across 56 procedure codes |
| Paid by Medicare | $183,215 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,801 · 14,960 30-day fills |
|---|---|
| Patients | 377 |
| Total drug cost | $801,197 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health Lodi MemorialLodi, CA
- Memorial Medical CenterModesto, CA
- Sutter Amador HospitalJackson, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Lodi, CA
- Sky Healthcare Home Health ServicesHome health agency · Pleasanton, CA
- Fairmont Rehabilitation HospitalNursing home · Lodi, CA
Industry payments (Open Payments)
- 2025$3,533 · 186 payments from 24 companies
- 2024$3,389 · 207 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $397.36 | 31 |
| Novo Nordisk Inc | $282.71 | 15 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $267.82 | 10 |
| Amgen Inc. | $247.73 | 12 |
| Bayer Healthcare Pharmaceuticals Inc. | $237.91 | 9 |
What the 2025 payments were for
- Food and Beverage$3,533 · 186 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 internal medicine physicians in Lodi · All internal medicine physicians in California