Abraham G. Hsieh, MD
NPI 1679520076ActiveIndividual· Otolaryngology· Walnut Creek, CA
Otolaryngology (MD) in Walnut Creek, California, trained at Tufts University School of Medicine (class of 1986). 811 Medicare patients in 2024, $210,540 paid; nearly all of their 1,001 Part D prescriptions were generic (97%). Integra Lifesciences Corporation was the largest of 5 companies reporting payments in 2025, $438.10 in all, mostly food and beverage.
Overview
| NPI | 1679520076 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Apr 29, 2024 |
| Certified by provider | Apr 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A44211 | 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 - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 811 |
|---|---|
| Services billed | 2,216 across 54 procedure codes |
| Paid by Medicare | $210,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,001 · 1,374 30-day fills |
|---|---|
| Patients | 368 |
| Total drug cost | $44,811 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$438.10 · 9 payments from 5 companies
- 2024$111.36 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $168.40 | 2 |
| Optinose US, Inc. | $125.99 | 1 |
| Smith+nephew, Inc. | $97.61 | 4 |
| Paratek Pharmaceuticals, Inc. | $24.57 | 1 |
| Glaxosmithkline, LLC. | $21.53 | 1 |
What the 2025 payments were for
- Food and Beverage$438.10 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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