Robert M. Hartman, M.D.
NPI 1558360164ActiveIndividual· Dermatology· Encino, CA
Dermatology (M.D.) in Encino, California, trained at University of California, Geffen School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $780,668 for 2,058 claims, against $389,334 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 15 companies reporting payments in 2025, $1,650 in all, mostly food and beverage.
Overview
| NPI | 1558360164 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 15, 2005 |
| Last updated in NPPES | Jan 19, 2024 |
| Certified by provider | Jan 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | G52939 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,738 |
|---|---|
| Services billed | 7,606 across 52 procedure codes |
| Paid by Medicare | $389,334 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,058 · 2,687 30-day fills |
|---|---|
| Patients | 743 |
| Total drug cost | $780,668 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Dermatology |
Industry payments (Open Payments)
- 2025$1,650 · 75 payments from 15 companies
- 2024$1,552 · 75 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $483.21 | 15 |
| Pfizer Inc. | $267.89 | 16 |
| Incyte Corporation | $189.22 | 15 |
| Regeneron Healthcare Solutions, Inc. | $178.34 | 6 |
| Janssen Biotech, Inc. | $99.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,508 · 73 payments
- Education$142.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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