Xiaoguang Huang, M.D., PHD.
NPI 1235179870ActiveIndividual· Internal Medicine· Oakland, CA
Internal Medicine (M.D., PHD.) in Oakland, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $3,454,659 for 18,076 claims, against $201,689 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $522.92 in all, mostly food and beverage. Lists Alameda Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235179870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PHD. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Aug 31, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A64820 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 311 |
|---|---|
| Services billed | 2,547 across 25 procedure codes |
| Paid by Medicare | $201,689 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,076 · 39,121 30-day fills |
|---|---|
| Patients | 885 |
| Total drug cost | $3,454,659 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Alameda HospitalAlameda, CA
- Alta Bates Summit Medical CenterOakland, CA
Other facilities
- Centerwell Asian American Home HealthHome health agency · Alameda, CA
Industry payments (Open Payments)
- 2025$522.92 · 14 payments from 5 companies
- 2024$783.55 · 21 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $314.55 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $121.83 | 1 |
| Glaxosmithkline, LLC. | $37.90 | 2 |
| Amgen Inc. | $27.11 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $21.53 | 1 |
What the 2025 payments were for
- Food and Beverage$522.92 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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