Mark Lloyd Hoff, M.D.
NPI 1558455618ActiveIndividual· Family Medicine· Lodi, CA
Family Medicine (M.D.) in Lodi, California, trained at Washington University School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $852,347 for 6,503 claims, against $268,274 paid for services in 2024. Novo Nordisk Inc was the largest of 24 companies reporting payments in 2025, $4,459 in all, mostly food and beverage.
Overview
| NPI | 1558455618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Aug 2, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G31257 | 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 | 297 |
|---|---|
| Services billed | 98,955 across 97 procedure codes |
| Paid by Medicare | $268,274 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,503 · 13,576 30-day fills |
|---|---|
| Patients | 268 |
| Total drug cost | $852,347 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliation
- Adventist Health Lodi MemorialLodi, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Lodi, CA
- Sky Healthcare Home Health ServicesHome health agency · Pleasanton, CA
Industry payments (Open Payments)
- 2025$4,459 · 238 payments from 24 companies
- 2024$4,005 · 238 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $520.37 | 19 |
| Corcept Therapeutics | $494.14 | 28 |
| Lilly USA, LLC | $488.06 | 37 |
| Vanda Pharmaceuticals Inc. | $297.63 | 16 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $296.07 | 11 |
What the 2025 payments were for
- Food and Beverage$4,459 · 238 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 family medicine physicians in Lodi · All family medicine physicians in California