Kelvin Mai, DO
NPI 1326072612ActiveIndividual· Internal Medicine· Santa Ana, CA
Internal Medicine (DO) with Kelvin Mai DO Inc, practicing in Santa Ana, California. Their prescriptions cost Medicare Part D more than their services did: $12,448,053 for 76,192 claims, against $737,814 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 33 companies reporting payments in 2025, $6,240 in all, mostly food and beverage. Lists Memorialcare Orange Coast Medical Center as a hospital affiliation.
Overview
| NPI | 1326072612 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Sep 1, 2022 |
| Certified by provider | Sep 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A8944 | 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 | 1,457 |
|---|---|
| Services billed | 19,352 across 86 procedure codes |
| Paid by Medicare | $737,814 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76,192 · 146,186 30-day fills |
|---|---|
| Patients | 2,741 |
| Total drug cost | $12,448,053 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Kelvin Mai DO IncSanta Ana, CA · 3 clinicians
Hospital affiliation
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Other facilities
- 24/7 Care at Home - Home HealthHome health agency · Westminster, CA
- Committed Home Health Care, IncHome health agency · Sherman Oaks, CA
- Direct Care Home Health Services, Inc.Home health agency · Van Nuys, CA
- Green Meadows Home Health Care, IncHome health agency · Santa Ana, CA
- Vista Home Health Care, IncHome health agency · Sun Valley, CA
- Alta Gardens Care CenterNursing home · Garden Grove, CA
- Garden Grove Post AcuteNursing home · Garden Grove, CA
- Garden Park Care CenterNursing home · Garden Grove, CA
- Mission Palms Healthcare CenterNursing home · Westminster, CA
Industry payments (Open Payments)
- 2025$6,240 · 271 payments from 33 companies
- 2024$4,857 · 251 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,361 | 53 |
| Aimmune Therapeutics, Inc. | $726.78 | 42 |
| Amgen Inc. | $712.71 | 23 |
| Lilly USA, LLC | $366.29 | 13 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $308.57 | 12 |
What the 2025 payments were for
- Food and Beverage$6,155 · 269 payments
- Education$85.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 internal medicine physicians in Santa Ana · All internal medicine physicians in California