Diana Ruth Bryant, MD
NPI 1255425146ActiveIndividual· Internal Medicine· Long Beach, CA
Internal Medicine (MD) in Long Beach, California, trained at University of California, Davis School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $468,703 for 5,613 claims, against $60,094 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $540.06 in all, mostly food and beverage.
Overview
| NPI | 1255425146 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Apr 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G62214 | 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 | 181 |
|---|---|
| Services billed | 1,007 across 27 procedure codes |
| Paid by Medicare | $60,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,613 · 12,238 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $468,703 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Hospital affiliations
- Garden Grove Hospital & Medical CenterGarden Grove, CA
- Memorialcare Long Beach Medical CenterLong Beach, CA
Other facilities
- Grace Home Health CareHome health agency · Long Beach, CA
- Grace Hospice Care, Inc.Hospice · Long Beach, CA
Industry payments (Open Payments)
- 2025$540.06 · 22 payments from 9 companies
- 2024$246.03 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $264.95 | 10 |
| Lilly USA, LLC | $74.17 | 4 |
| Boston Scientific Corporation | $58.71 | 1 |
| Amgen Inc. | $52.02 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $26.79 | 1 |
What the 2025 payments were for
- Food and Beverage$540.06 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 298 internal medicine physicians in Long Beach · All internal medicine physicians in California