Yogesh Kumar Trehan, M.D.
NPI 1255372769ActiveIndividual· Internal Medicine· Brentwood, CA
Internal Medicine (M.D.) in Brentwood, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $1,129,685 for 13,249 claims, against $422,586 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $1,122 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255372769 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Jan 6, 2020 |
| Certified by provider | Jan 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A67477 | CA |
| Internal Medicine, Geriatric Medicine | 207RG0300X | A67477 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 570 |
|---|---|
| Services billed | 5,774 across 25 procedure codes |
| Paid by Medicare | $422,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,249 · 30,924 30-day fills |
|---|---|
| Patients | 894 |
| Total drug cost | $1,129,685 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
- Amavi Home Health and Hospice Care Services, Inc.Home health agency · Brentwood, CA
- Jmj Home Health ServicesHome health agency · Brentwood, CA
- John Muir Home Health ServicesHome health agency · Concord, CA
- Sutter Care at HomeHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$1,122 · 27 payments from 11 companies
- 2024$1,100 · 24 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $544.90 | 7 |
| Abbvie Inc. | $173.56 | 5 |
| Novo Nordisk Inc | $140.25 | 2 |
| Lilly USA, LLC | $84.16 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $42.24 | 2 |
What the 2025 payments were for
- Food and Beverage$672.26 · 26 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$450.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Brentwood
- 1992933295
- 1427274638
- 1417224197
- 1801997440
- 1023108016
- 1083881858
- 1942325220
- 1972574739