Michael Spencer Leong, MD
NPI 1316073109ActiveIndividual· Anesthesiology, Pain Medicine· Stanford, CA
Anesthesiology, Pain Medicine (MD) in Stanford, California, trained at Georgetown University School of Medicine (class of 1993). 395 Medicare patients in 2024, $59,311 paid; nearly all of their 166 Part D prescriptions were generic (99%). Biotronik Nro, Inc. was the largest of 2 companies reporting payments in 2025, $633.97 in all, mostly food and beverage.
Overview
| NPI | 1316073109 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 26, 2007 |
| Last updated in NPPES | Apr 11, 2024 |
| Certified by provider | Apr 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | A53960 | CA |
| Anesthesiology | 207L00000X | A53960 | 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 - Pain Management (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 608 across 52 procedure codes |
| Paid by Medicare | $59,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 166 · 202 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $6,298 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Pain Management |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$633.97 · 5 payments from 2 companies
- 2024$2,075 · 19 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotronik Nro, Inc. | $508.59 | 3 |
| Si-Bone, Inc. | $125.38 | 2 |
What the 2025 payments were for
- Food and Beverage$633.97 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 pain medicine anesthesiologists in Stanford · All pain medicine anesthesiologists in California