Mary Elizabeth Hartnett, MD
NPI 1871507020ActiveIndividual· Ophthalmology, Retina Specialist· Stanford, CA
Ophthalmology, Retina Specialist (MD) in Stanford, California, trained at Albany Medical College of Union University (class of 1983). Medicare paid $5,599 for services to 19 patients in 2024. Janssen Pharmaceuticals, Inc reported $9,990 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1871507020 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Apr 3, 2024 |
| Certified by provider | Apr 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | G185717 | CA |
| Ophthalmology | 207W00000X | 7589802-1205 | UT |
| Ophthalmology | 207W00000X | 7589802-8905 | UT |
| Ophthalmology | 207W00000X | G185717 | 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 - Ophthalmology (CA); Practitioner - Ophthalmology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 80 across 11 procedure codes |
| Paid by Medicare | $5,599 |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Ophthalmology |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$9,990 · 2 payments from 1 company
- 2024$51,797 · 33 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $9,990 | 2 |
What the 2025 payments were for
- Consulting Fee$9,990 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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