Simon Anthony Humphries, MD
NPI 1023149440ActiveIndividual· Internal Medicine· Los Altos, CA
Internal Medicine (MD) in Los Altos, California, trained at Medical College of Wisconsin (class of 1987). In 2024 Medicare paid $176,707 for 333 patients, and Part D covered 2,602 of their prescriptions, 88% of them generic. Exact Sciences Corporation was the largest of 3 companies reporting payments in 2025, $93.18 in all, mostly food and beverage.
Overview
| NPI | 1023149440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 8, 2007 |
| Last updated in NPPES | Jul 30, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G067109 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 333 |
|---|---|
| Services billed | 1,894 across 28 procedure codes |
| Paid by Medicare | $176,707 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,602 · 4,554 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $162,779 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- El Camino HealthMountain View, CA
Other facilities
- Intouch Home Care, Inc.Home health agency · Santa Clara, CA
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
- 2025$93.18 · 4 payments from 3 companies
- 2024$252.44 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $48.79 | 2 |
| Lundbeck LLC | $25.24 | 1 |
| Pfizer Inc. | $19.15 | 1 |
What the 2025 payments were for
- Food and Beverage$93.18 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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