David Maniscalco, M.D.
NPI 1386031268ActiveIndividual· Internal Medicine, Rheumatology· Santa Rosa, CA
Internal Medicine, Rheumatology (M.D.) with Sutter Bay Medical Foundation, practicing in Santa Rosa, California. Their prescriptions cost Medicare Part D more than their services did: $2,218,677 for 2,462 claims, against $136,435 paid for services in 2024. Lists Adventist Health Clearlake and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1386031268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2015 |
| Last updated in NPPES | Sep 2, 2020 |
| Certified by provider | Sep 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 1162306 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 413 |
|---|---|
| Services billed | 7,745 across 14 procedure codes |
| Paid by Medicare | $136,435 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,462 · 3,925 30-day fills |
|---|---|
| Patients | 338 |
| Total drug cost | $2,218,677 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health Mendocino CoastFort Bragg, CA
- Adventist Health Ukiah ValleyUkiah, CA
- Providence St Joseph HospitalEureka, CA
- Sutter Santa Rosa Regional HospitalSanta Rosa, 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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