Giang Ngoc Lam, M.D.
NPI 1033198288ActiveIndividual· Family Medicine· Modesto, CA
Family Medicine (M.D.) with Shane Speirs MD PC, practicing in Modesto, California. Their prescriptions cost Medicare Part D more than their services did: $1,797,153 for 21,031 claims, against $99,344 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 25 companies reporting payments in 2025, $1,417 in all, mostly food and beverage. Lists Emanuel Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033198288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 15, 2006 |
| Last updated in NPPES | Aug 28, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A93687 | CA |
| Family Medicine | 207Q00000X | 00026962 | AL |
| Family Medicine | 207Q00000X | 056893 | GA |
| Family Medicine | 207Q00000X | 227144 | MA |
| Family Medicine | 207Q00000X | ME96689 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 2,350 across 54 procedure codes |
| Paid by Medicare | $99,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21,031 · 42,958 30-day fills |
|---|---|
| Patients | 864 |
| Total drug cost | $1,797,153 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Shane Speirs MD PCManteca, CA · 13 clinicians
Hospital affiliations
- Emanuel Medical CenterTurlock, CA
- Memorial Medical CenterModesto, CA
Other facilities
- Ameriprime Home Health CareHome health agency · Tracy, CA
- Careone Home Health and Hospice, IncHome health agency · Salida, CA
- Global Healthcare Services, LLCHome health agency · Modesto, CA
- Infinity Care Services, IncHome health agency · Stockton, CA
- Sutter Care at HomeHome health agency · Salida, CA
Industry payments (Open Payments)
- 2025$1,417 · 73 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $174.51 | 10 |
| Otsuka America Pharmaceutical, Inc. | $169.62 | 8 |
| Novo Nordisk Inc | $154.52 | 11 |
| Glaxosmithkline, LLC. | $97.75 | 5 |
| Amgen Inc. | $85.44 | 4 |
What the 2025 payments were for
- Food and Beverage$1,417 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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