Adriana Arreola Sablan, D.O.
NPI 1154357358ActiveIndividual· Family Medicine· Brentwood, CA
Family Medicine (D.O.) with John Muir Physician Network, practicing in Brentwood, California. Their prescriptions cost Medicare Part D more than their services did: $261,434 for 3,399 claims, against $50,130 paid for services in 2024. Lilly USA, LLC was the largest of 7 companies reporting payments in 2025, $484.06 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154357358 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Jan 31, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A9221 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 1,247 across 29 procedure codes |
| Paid by Medicare | $50,130 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,399 · 8,464 30-day fills |
|---|---|
| Patients | 364 |
| Total drug cost | $261,434 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$484.06 · 23 payments from 7 companies
- 2024$539.50 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $137.83 | 8 |
| Novo Nordisk Inc | $101.55 | 4 |
| Glaxosmithkline, LLC. | $81.68 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $62.08 | 3 |
| Exact Sciences Corporation | $56.86 | 2 |
What the 2025 payments were for
- Food and Beverage$484.06 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 family medicine physicians in Brentwood · All family medicine physicians in California