John M. Koostra, M.D.
NPI 1922058437ActiveIndividual· Internal Medicine, Pulmonary Disease· Monterey, CA
Internal Medicine, Pulmonary Disease (M.D.) in Monterey, California, trained at University of California, Davis School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,333,134 for 2,803 claims, against $85,379 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 18 companies reporting payments in 2025, $6,946 in all, mostly food and beverage.
Overview
| NPI | 1922058437 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | May 19, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | G75276 | CA |
| Internal Medicine, Sleep Medicine | 207RS0012X | G75276 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | G75276 | 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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 568 |
|---|---|
| Services billed | 1,281 across 17 procedure codes |
| Paid by Medicare | $85,379 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,803 · 4,449 30-day fills |
|---|---|
| Patients | 474 |
| Total drug cost | $1,333,134 |
| Generic share | 43% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- County of MontereySalinas, CA · 185 clinicians
Hospital affiliations
- Community Hospital of the Monterey PeninsulaMonterey, CA
- Natividad Medical CenterSalinas, CA
- Salinas Valley Health Medical CenterSalinas, CA
- Southern Monterey County Memorial HospitalKing City, CA
Industry payments (Open Payments)
- 2025$6,946 · 199 payments from 18 companies
- 2024$2,989 · 112 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $2,987 | 17 |
| Astrazeneca Pharmaceuticals LP | $813.41 | 32 |
| Glaxosmithkline, LLC. | $608.97 | 30 |
| Genzyme Corporation | $437.88 | 12 |
| Verona Pharma, Inc. | $352.82 | 20 |
What the 2025 payments were for
- Food and Beverage$4,321 · 193 payments
- Consulting Fee$2,536 · 4 payments
- Education$89.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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