Adam Samuel Abdur-Rahim Sperling, MD, PHD
NPI 1023303161ActiveIndividual· Internal Medicine, Hematology· Stanford, CA
Internal Medicine, Hematology (MD, PHD) with Stanford Health Care and 2 other groups, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $500,672 for 96 claims, against $16,188 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $173.52 in payments in 2024, mostly food and beverage. Lists Brigham and Women's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1023303161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2011 |
| Last updated in NPPES | Apr 15, 2026 |
| Certified by provider | Apr 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | C206781 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | C206781 | CA |
| Internal Medicine | 207R00000X | C206781 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | 254762 | MA |
| Internal Medicine | 207R00000X | 247520 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology (CA); Practitioner - Medical Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 175 across 10 procedure codes |
| Paid by Medicare | $16,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 174 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $500,672 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
- Dana-Farber Cancer Institute, Inc.Boston, MA · 684 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2024$173.52 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $173.52 | 1 |
What the 2024 payments were for
- Food and Beverage$173.52 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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