Michael K. Lai, MD
NPI 1750318127ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Santa Maria, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Santa Maria, California, trained at University of California, Geffen School of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $5,652,811 for 9,290 claims, against $1,395,849 paid for services in 2024. Novo Nordisk Inc was the largest of 28 companies reporting payments in 2025, $3,731 in all, mostly food and beverage.
Overview
| NPI | 1750318127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | Oct 10, 2025 |
| Certified by provider | Oct 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | G37376 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,190 |
|---|---|
| Services billed | 12,249 across 24 procedure codes |
| Paid by Medicare | $1,395,849 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,290 · 22,097 30-day fills |
|---|---|
| Patients | 814 |
| Total drug cost | $5,652,811 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Michael K Lai M D IncSanta Maria, CA · 2 clinicians
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Lompoc Valley Medical CenterLompoc, CA
- Marian Regional Medical CenterSanta Maria, CA
Industry payments (Open Payments)
- 2025$3,731 · 146 payments from 28 companies
- 2024$2,888 · 160 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $766.44 | 23 |
| Amgen Inc. | $649.58 | 20 |
| Astrazeneca Pharmaceuticals LP | $345.35 | 9 |
| Abbvie Inc. | $235.55 | 11 |
| Beta Bionics, Inc. | $206.28 | 8 |
What the 2025 payments were for
- Food and Beverage$3,495 · 139 payments
- Education$236.12 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Santa Maria
- 1225146426