Jonathan B. C. Humphrey, M.D.
NPI 1689644866ActiveIndividual· Family Medicine· Danville, CA
Family Medicine (M.D.) with Bass Medical Group, practicing in Danville, California. Their prescriptions cost Medicare Part D more than their services did: $1,365,789 for 11,480 claims, against $395,338 paid for services in 2024. Abbvie Inc. was the largest of 39 companies reporting payments in 2025, $2,440 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1689644866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 23, 2006 |
| Last updated in NPPES | Feb 7, 2025 |
| Certified by provider | Feb 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G66292 | 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 | 815 |
|---|---|
| Services billed | 21,136 across 84 procedure codes |
| Paid by Medicare | $395,338 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,480 · 22,840 30-day fills |
|---|---|
| Patients | 2,043 |
| Total drug cost | $1,365,789 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| 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
- Stanford Health Care Tri-ValleyPleasanton, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Health Link Home Health AgencyHome health agency · San Francisco, CA
- John Muir Home Health ServicesHome health agency · Concord, CA
- One Health Home Care, IncHome health agency · Livermore, CA
- Prohealth Home Care, IncHome health agency · Stockton, CA
- Silverline Staff Home HealthHome health agency · Fremont, CA
Industry payments (Open Payments)
- 2025$2,440 · 120 payments from 39 companies
- 2024$3,610 · 160 payments from 38 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $327.78 | 22 |
| Pfizer Inc. | $216.17 | 10 |
| Novo Nordisk Inc | $154.56 | 6 |
| Glaxosmithkline, LLC. | $152.79 | 6 |
| Amgen Inc. | $121.65 | 7 |
What the 2025 payments were for
- Food and Beverage$2,440 · 120 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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