May-Anh Nguyen, M.D.
NPI 1881391001ActiveIndividual· Surgery· San Jose, CA
Surgery (M.D.) with Shyamali Mallick Singhal MD PHD Inc, practicing in San Jose, California. Part D covered 22 prescriptions written in 2024, 100% of them generic. Enterra Medical, Inc. was the largest of 6 companies reporting payments in 2025, $2,681 in all, mostly travel and lodging. Lists El Camino Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1881391001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 8, 2023 |
| Last updated in NPPES | Feb 7, 2025 |
| Certified by provider | Feb 7, 2025 |
| Reactivated | Nov 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A198532 | CA |
| Surgery | 208600000X | 1014530 | MA |
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 - General Surgery (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 24 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $163.09 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Shyamali Mallick Singhal MD PHD IncMountain View, CA · 6 clinicians
Hospital affiliations
- El Camino HealthMountain View, CA
- Good Samaritan HospitalSan Jose, CA
Industry payments (Open Payments)
- 2025$2,681 · 14 payments from 6 companies
- 2024$1,585 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Enterra Medical, Inc. | $1,151 | 3 |
| Medical Device Business Services, Inc. | $1,077 | 6 |
| Mimedx Group, Inc. | $134.13 | 1 |
| Intuitive Surgical, Inc. | $127.48 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $117.84 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,480 · 4 payments
- Food and Beverage$1,200 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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