Barbara Mah Hom, MD
NPI 1356388516ActiveIndividual· Internal Medicine· Los Gatos, CA
Internal Medicine (MD) in Los Gatos, California, trained at University of Michigan Medical School (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $274,462 for 3,619 claims, against $113,874 paid for services in 2024. Exact Sciences Corporation reported $13.55 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1356388516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Jul 20, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G524790 | 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 | 319 |
|---|---|
| Services billed | 1,215 across 10 procedure codes |
| Paid by Medicare | $113,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,619 · 8,879 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $274,462 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1981 |
| 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
Industry payments (Open Payments)
- 2024$13.55 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $13.55 | 1 |
What the 2024 payments were for
- Food and Beverage$13.55 · 1 payment
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