John H. Chartier, M.D.
NPI 1659390649ActiveIndividual· Hospitalist· Concord, CA
Hospitalist (M.D.) in Concord, California, trained at University of Cincinnati College of Medicine (class of 1994). 309 Medicare patients in 2024, $78,550 paid; nearly all of their 295 Part D prescriptions were generic (91%).
Overview
| NPI | 1659390649 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Aug 25, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A54716 | CA |
| Family Medicine | 207Q00000X | A54716 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 309 |
|---|---|
| Services billed | 949 across 15 procedure codes |
| Paid by Medicare | $78,550 |
Part D prescriptions in 2024
| Prescriptions (claims) | 295 · 328 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $14,569 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Family Practice |
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
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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