Adelyn Tu-Chan, D.O.
NPI 1720310329ActiveIndividual· Psychiatry & Neurology, Neurology· Alameda, CA
Psychiatry & Neurology, Neurology (D.O.) with University of California San Francisco, practicing in Alameda, California. 80 Medicare patients in 2024, $35,158 paid; all of their 66 Part D prescriptions were generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $147.70 in all, mostly food and beverage. Lists UCSF Health St. Mary's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1720310329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Feb 5, 2010 |
| Last updated in NPPES | Oct 8, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 1720310329 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 80 |
|---|---|
| Services billed | 619 across 13 procedure codes |
| Paid by Medicare | $35,158 |
Part D prescriptions in 2024
| Prescriptions (claims) | 66 · 98 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $1,347 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
Hospital affiliations
- UCSF Health St. Mary's HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$147.70 · 2 payments from 2 companies
- 2024$90.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $133.61 | 1 |
| Ipsen Biopharmaceuticals, Inc | $14.09 | 1 |
What the 2025 payments were for
- Food and Beverage$147.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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