Christianna Joyce Mayberry, MSN- DCNP
NPI 1902290935ActiveIndividual· Nurse Practitioner, Adult Health· Frederick, MD
Nurse Practitioner, Adult Health (MSN- DCNP) with Frederick Dermatology Associates LLC, practicing in Frederick, Maryland. Their prescriptions cost Medicare Part D more than their services did: $300,799 for 505 claims, against $136,627 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $1,874 in all, mostly food and beverage. Lists Frederick Health Hospital as a hospital affiliation.
Overview
| NPI | 1902290935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN- DCNP |
| Sole proprietor | No |
| NPI issued | Mar 27, 2015 |
| Last updated in NPPES | Feb 28, 2023 |
| Certified by provider | Feb 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | R173848 | MD |
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 - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 744 |
|---|---|
| Services billed | 7,812 across 31 procedure codes |
| Paid by Medicare | $136,627 |
Part D prescriptions in 2024
| Prescriptions (claims) | 505 · 627 30-day fills |
|---|---|
| Patients | 248 |
| Total drug cost | $300,799 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Frederick Dermatology Associates LLCFrederick, MD · 8 clinicians
Hospital affiliation
- Frederick Health HospitalFrederick, MD
Industry payments (Open Payments)
- 2025$1,874 · 66 payments from 21 companies
- 2024$2,579 · 88 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $333.31 | 8 |
| Janssen Biotech, Inc. | $317.53 | 13 |
| Ucb, Inc. | $209.07 | 6 |
| Leo Pharma Inc. | $201.81 | 3 |
| Genzyme Corporation | $96.07 | 3 |
What the 2025 payments were for
- Food and Beverage$1,802 · 65 payments
- Education$72.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 adult health nurse practitioners in Frederick · All adult health nurse practitioners in Maryland