John James Openshaw, MD
NPI 1679720460ActiveIndividual· Internal Medicine, Infectious Disease· Palo Alto, CA
Internal Medicine, Infectious Disease (MD) in Palo Alto, California, trained at Perelman School of Med at the University of Pennsylvania (class of 2008). Mostly services rather than prescriptions: Medicare paid $9,817 for 50 patients in 2024, with only 19 Part D claims.
Overview
| NPI | 1679720460 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 22, 2008 |
| Last updated in NPPES | Aug 6, 2024 |
| Certified by provider | Aug 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A109301 | CA |
| Internal Medicine, Infectious Disease | 207RI0200X | 042.0016401 | VT |
| Internal Medicine | 207R00000X | A109301 | 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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 111 across 6 procedure codes |
| Paid by Medicare | $9,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 23 30-day fills |
|---|---|
| Total drug cost | $3,658 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, 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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