Stacey M. Hein, INTERNAL MEDICINE
NPI 1568429983ActiveIndividual· Internal Medicine· Los Gatos, CA
Internal Medicine (INTERNAL MEDICINE) in Los Gatos, California, trained at Medical College of Pennsylvania (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $441,735 for 4,194 claims, against $135,524 paid for services in 2024. Pfizer Inc. was the largest of 10 companies reporting payments in 2025, $327.75 in all, mostly food and beverage.
Overview
| NPI | 1568429983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | INTERNAL MEDICINE |
| Sole proprietor | Yes |
| NPI issued | Apr 28, 2006 |
| Last updated in NPPES | Jul 9, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 770491483 | 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 | 233 |
|---|---|
| Services billed | 1,884 across 20 procedure codes |
| Paid by Medicare | $135,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,194 · 9,457 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $441,735 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Medical College of Pennsylvania |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- El Camino HealthMountain View, CA
- Good Samaritan HospitalSan Jose, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$327.75 · 15 payments from 10 companies
- 2024$430.57 · 21 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $71.29 | 4 |
| Philips North America LLC | $47.74 | 2 |
| Glaxosmithkline, LLC. | $46.58 | 2 |
| Amgen Inc. | $32.01 | 1 |
| Astrazeneca Pharmaceuticals LP | $27.30 | 1 |
What the 2025 payments were for
- Food and Beverage$327.75 · 15 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