Martha P. Arroyo, MD
NPI 1700867694ActiveIndividual· Dermatology· Libertyville, IL
Dermatology (MD) in Libertyville, Illinois, trained at Stanford University School of Medicine (class of 1999). 1,214 Medicare patients in 2024, $306,955 paid; nearly all of their 1,166 Part D prescriptions were generic (92%). Harmony Biosciences LLC was the largest of 17 companies reporting payments in 2025, $12,510 in all, mostly consulting fees.
Overview
| NPI | 1700867694 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 8, 2005 |
| Last updated in NPPES | Jan 10, 2023 |
| Certified by provider | Jan 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036-114928 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,214 |
|---|---|
| Services billed | 5,668 across 68 procedure codes |
| Paid by Medicare | $306,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,166 · 1,389 30-day fills |
|---|---|
| Patients | 529 |
| Total drug cost | $357,445 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Dermatology |
Medical group
- Forefront Dermatology SCSouthlake, TX · 662 clinicians
Industry payments (Open Payments)
- 2025$12,510 · 87 payments from 17 companies
- 2024$1,924 · 98 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harmony Biosciences LLC | $8,400 | 1 |
| Incyte Corporation | $2,691 | 8 |
| Janssen Biotech, Inc. | $279.79 | 21 |
| Abbvie Inc. | $236.01 | 8 |
| Ucb, Inc. | $204.10 | 9 |
What the 2025 payments were for
- Consulting Fee$10,800 · 2 payments
- Food and Beverage$1,710 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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