Graham Edwin Abra, M.D.
NPI 1760644678ActiveIndividual· Internal Medicine, Nephrology· Stanford, CA
Internal Medicine, Nephrology (M.D.) in Stanford, California, trained at University of California, San Diego School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $316,025 for 989 claims, against $128,057 paid for services in 2024. Nxstage Medical, Inc. reported $99.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1760644678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 1, 2008 |
| Last updated in NPPES | Apr 17, 2024 |
| Certified by provider | Apr 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A102026 | CA |
| Internal Medicine | 207R00000X | A102026 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 308 |
|---|---|
| Services billed | 1,207 across 23 procedure codes |
| Paid by Medicare | $128,057 |
Part D prescriptions in 2024
| Prescriptions (claims) | 989 · 2,180 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $316,025 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Other facilities
- Shc San CarlosDialysis facility · San Carlos, CA
- Shc Wb Mountain ViewDialysis facility · Mountain View, CA
- Shc Wb San JoseDialysis facility · San Jose, CA
Industry payments (Open Payments)
- 2025$99.59 · 1 payment from 1 company
- 2024$5,602 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nxstage Medical, Inc. | $99.59 | 1 |
What the 2025 payments were for
- Food and Beverage$99.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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