May Chien, MD
NPI 1417221326ActiveIndividual· Pediatrics, Pediatric Hematology-Oncology· Palo Alto, CA
Pediatrics, Pediatric Hematology-Oncology (MD) with Stanford Health Care and 1 other group, practicing in Palo Alto, California. Mostly services rather than prescriptions: Medicare paid $22,047 for 97 patients in 2024, with only 21 Part D claims. Sobi, Inc was the largest of 2 companies reporting payments in 2024, $286.98 in all, mostly education. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1417221326 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 24, 2012 |
| Last updated in NPPES | Apr 18, 2024 |
| Certified by provider | Apr 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Hematology-Oncology Primary | 2080P0207X | A119918 | CA |
| Internal Medicine, Hematology | 207RH0000X | A119918 | CA |
| Pediatrics | 208000000X | A119918 | CA |
| Internal Medicine | 207R00000X | A119918 | 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 | 97 |
|---|---|
| Services billed | 186 across 17 procedure codes |
| Paid by Medicare | $22,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 22 30-day fills |
|---|---|
| Total drug cost | $14,993 |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- Lpch Medical Group Div of LucilePalo Alto, CA · 337 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2024$286.98 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Sobi, Inc | $161.98 | 2 |
| Agios Pharmaceuticals, Inc. | $125.00 | 1 |
What the 2024 payments were for
- Education$161.98 · 2 payments
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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