Matthew E.A. Clarke, MD
NPI 1528315835ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Long Beach, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Galen Inpatient Physicians PC and 1 other group, practicing in Long Beach, California. Their prescriptions cost Medicare Part D more than their services did: $284,293 for 914 claims, against $28,162 paid for services in 2024. Astellas Pharma US Inc was the largest of 8 companies reporting payments in 2025, $223.30 in all, mostly food and beverage. Lists Adventist Health Bakersfield and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1528315835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 7, 2012 |
| Last updated in NPPES | Jun 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A134249 | CA |
| Internal Medicine | 207R00000X | A134249 | 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 | 165 |
|---|---|
| Services billed | 590 across 24 procedure codes |
| Paid by Medicare | $28,162 |
Part D prescriptions in 2024
| Prescriptions (claims) | 914 · 1,781 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $284,293 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Kern County Hospital AuthorityBakersfield, CA · 266 clinicians
Hospital affiliations
- Adventist Health BakersfieldBakersfield, CA
- Adventist Health Tehachapi ValleyTehachapi, CA
- Kern Medical CenterBakersfield, CA
Industry payments (Open Payments)
- 2025$223.30 · 12 payments from 8 companies
- 2024$175.88 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $83.93 | 5 |
| Amgen Inc. | $24.05 | 1 |
| Phathom Pharmaceuticals, Inc. | $23.60 | 1 |
| Ascendis Pharma Endocrinology Inc | $22.02 | 1 |
| Kyowa Kirin, Inc. | $20.25 | 1 |
What the 2025 payments were for
- Food and Beverage$223.30 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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