John B. Hiss, M.D.
NPI 1386663052ActiveIndividual· Internal Medicine· Concord, CA
Internal Medicine (M.D.) in Concord, California, trained at University of Michigan Medical School (class of 1991). In 2024 Medicare paid $93,581 for 304 patients, and Part D covered 528 of their prescriptions, 81% of them generic.
Overview
| NPI | 1386663052 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Jun 21, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G74796 | 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 | 304 |
|---|---|
| Services billed | 1,002 across 9 procedure codes |
| Paid by Medicare | $93,581 |
Part D prescriptions in 2024
| Prescriptions (claims) | 528 · 595 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $55,374 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
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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All 35 internal medicine physicians in Concord · All internal medicine physicians in California