Ann M. Wexler, MD
NPI 1669482576ActiveIndividual· Internal Medicine, Hematology & Oncology· Berkeley, CA
Internal Medicine, Hematology & Oncology (MD) in Berkeley, California, trained at University of Texas Medical School at San Antonio (class of 1999). In 2024 Medicare paid $2,196,255 for 367 patients, and Part D covered 1,661 of their prescriptions, 73% of them generic. Incyte Corporation was the largest of 52 companies reporting payments in 2025, $6,706 in all, mostly food and beverage.
Overview
| NPI | 1669482576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Aug 7, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A96244 | CA |
| Specialist | 174400000X | A96244 | 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 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/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 183,905 across 127 procedure codes |
| Paid by Medicare | $2,196,255 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,661 · 2,464 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $2,762,808 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hematology, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Solano Hematology - OncologyVallejo, CA · 3 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Solano Medical CenterVallejo, CA
Industry payments (Open Payments)
- 2025$6,706 · 225 payments from 52 companies
- 2024$7,147 · 231 payments from 43 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $1,306 | 2 |
| Astrazeneca Pharmaceuticals LP | $499.78 | 27 |
| Merck Sharp & Dohme LLC | $374.18 | 12 |
| Daiichi Sankyo Inc. | $333.85 | 17 |
| Novartis Pharmaceuticals Corporation | $308.94 | 13 |
What the 2025 payments were for
- Food and Beverage$5,171 · 219 payments
- Consulting Fee$1,290 · 1 payment
- Education$244.63 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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