Addy Squarer, MD
NPI 1679581425ActiveIndividual· Internal Medicine, Nephrology· San Jose, CA
Internal Medicine, Nephrology (MD) in San Jose, California, trained at University of California, Davis School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $750,361 for 4,576 claims, against $180,653 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $1,428 in all, mostly food and beverage.
Overview
| NPI | 1679581425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Dec 4, 2020 |
| Certified by provider | Dec 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G73060 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 370 |
|---|---|
| Services billed | 2,215 across 37 procedure codes |
| Paid by Medicare | $180,653 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,576 · 9,939 30-day fills |
|---|---|
| Patients | 305 |
| Total drug cost | $750,361 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- El Camino Health Medical Network LLCLos Gatos, CA · 202 clinicians
Hospital affiliations
- El Camino HealthMountain View, CA
- Good Samaritan HospitalSan Jose, CA
- Santa Clara Valley Medical CenterSan Jose, CA
- Stanford Health CareStanford, CA
Other facilities
- Davita Silicon Valley Home TrainingDialysis facility · San Jose, CA
- Davita Stevens Creek DialysisDialysis facility · San Jose, CA
- Pathways Home Health and HospiceHome health agency · Sunnyvale, CA
- Prohealth Home Care, IncHome health agency · San Jose, CA
Industry payments (Open Payments)
- 2025$1,428 · 12 payments from 10 companies
- 2024$363.87 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $239.06 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $238.10 | 2 |
| Abbott Laboratories | $158.48 | 1 |
| Vantive US Healthcare LLC | $143.25 | 1 |
| Calliditas Therapeutics US Inc. | $131.96 | 1 |
What the 2025 payments were for
- Food and Beverage$1,428 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in San Jose
- 1003859661
- 1124224571
- 1164527826
- 1184732901
- 1356502553
- 1366630444
- 1427134931
- 1437597747
- 1457404816
- 1518173608
- 1649294273
- 1649470683
All 42 nephrologists in San Jose · All nephrologists in California