Mark Peter Musco, M.D.
NPI 1578691523ActiveIndividual· Family Medicine· San Ramon, CA
Family Medicine (M.D.) with Bass Medical Group, practicing in San Ramon, California. 250 Medicare patients in 2024, $82,106 paid; nearly all of their 1,100 Part D prescriptions were generic (94%). Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $134.12 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1578691523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 1, 2007 |
| Last updated in NPPES | May 14, 2025 |
| Certified by provider | May 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A78167 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 250 |
|---|---|
| Services billed | 1,043 across 37 procedure codes |
| Paid by Medicare | $82,106 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,100 · 2,458 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $54,999 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$134.12 · 6 payments from 5 companies
- 2024$32.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $47.49 | 2 |
| Exact Sciences Corporation | $25.80 | 1 |
| Pfizer Inc. | $23.76 | 1 |
| Lilly USA, LLC | $20.64 | 1 |
| Currax Pharmaceuticals LLC | $16.43 | 1 |
What the 2025 payments were for
- Food and Beverage$134.12 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 family medicine physicians in San Ramon · All family medicine physicians in California