Cassandra L. Rullman, PA-C
NPI 1649746801ActiveIndividual· Physician Assistant· Chevy Chase, MD
Physician Assistant (PA-C) with Cronin Dermatology and Skin Cancer Center, LLC and 1 other group, practicing in Chevy Chase, Maryland. 540 Medicare patients in 2024, $123,119 paid; nearly all of their 395 Part D prescriptions were generic (92%). Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $257.54 in all, mostly food and beverage.
Overview
| NPI | 1649746801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 15, 2018 |
| Last updated in NPPES | May 25, 2023 |
| Certified by provider | May 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C0008820 | MD |
| Physician Assistant | 363A00000X | 9454 | GA |
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 - Physician Assistant (DC); Practitioner - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 540 |
|---|---|
| Services billed | 2,780 across 28 procedure codes |
| Paid by Medicare | $123,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 395 · 432 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $10,661 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Cronin Dermatology and Skin Cancer Center, LLCChevy Chase, MD · 3 clinicians
- Cronin Dermatology and Skin Cancer Center of Kent Island, LLCChester, MD · 3 clinicians
Industry payments (Open Payments)
- 2025$257.54 · 10 payments from 6 companies
- 2024$705.77 · 18 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $94.13 | 4 |
| Lilly USA, LLC | $51.66 | 2 |
| Genzyme Corporation | $38.80 | 1 |
| Regeneron Healthcare Solutions, Inc. | $31.80 | 1 |
| Incyte Corporation | $24.51 | 1 |
What the 2025 payments were for
- Food and Beverage$257.54 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 physician assistants in Chevy Chase · All physician assistants in Maryland