Diane B. Chandler, D.O.
NPI 1760466312ActiveIndividual· Family Medicine· Concord, CA
Family Medicine (D.O.) in Concord, California, trained at College of Physicians and Surgeons (California) (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $282,141 for 3,605 claims, against $31,147 paid for services in 2024. Abbott Laboratories reported $20.23 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1760466312 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Dec 6, 2005 |
| Last updated in NPPES | Jun 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A9124 | 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 | 193 |
|---|---|
| Services billed | 638 across 33 procedure codes |
| Paid by Medicare | $31,147 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,605 · 8,992 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $282,141 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | College of Physicians and Surgeons (California) |
|---|---|
| Graduation year | 2002 |
| 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)
- 2024$20.23 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $20.23 | 1 |
What the 2024 payments were for
- Food and Beverage$20.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 family medicine physicians in Concord · All family medicine physicians in California