Brian Escala Chavez, M.D.
NPI 1215974969ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Lake Forest, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Lake Forest, California, trained at Medical College of Wisconsin (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,648,092 for 5,334 claims, against $435,221 paid for services in 2024. Amgen Inc. was the largest of 36 companies reporting payments in 2025, $3,020 in all, mostly food and beverage.
Overview
| NPI | 1215974969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A76077 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 417 |
|---|---|
| Services billed | 21,701 across 70 procedure codes |
| Paid by Medicare | $435,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,334 · 12,293 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $1,648,092 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Scke IncLaguna Hills, CA · 22 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$3,020 · 122 payments from 36 companies
- 2024$2,367 · 107 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $373.18 | 16 |
| Insulet Corporation | $238.14 | 7 |
| Kyowa Kirin, Inc. | $214.79 | 5 |
| Abbvie Inc. | $213.25 | 9 |
| Mannkind Corporation | $200.50 | 12 |
What the 2025 payments were for
- Food and Beverage$3,020 · 122 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Lake Forest
- 1750264685
- 1689611337
- 1104482389
- 1043271018
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in California →