Mary Kristen Shytle, CRNP
NPI 1992138598ActiveIndividual· Nurse Practitioner, Adult Health· Rockville, MD
Nurse Practitioner, Adult Health (CRNP) with Duke University Health System, Inc, practicing in Rockville, Maryland. In 2024 Medicare paid $33,907 for 144 patients, and Part D covered 120 of their prescriptions, 89% of them generic. Smith+nephew, Inc. was the largest of 2 companies reporting payments in 2025, $2,397 in all, mostly travel and lodging. Lists Duke University Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992138598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Aug 19, 2013 |
| Last updated in NPPES | Mar 12, 2020 |
| Certified by provider | Mar 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | R207510 | 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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 1,067 across 28 procedure codes |
| Paid by Medicare | $33,907 |
Part D prescriptions in 2024
| Prescriptions (claims) | 120 · 125 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $6,259 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Duke University Health System, IncDurham, NC · 1,102 clinicians
Hospital affiliations
- Duke University HospitalDurham, NC
- Wakemed, Raleigh CampusRaleigh, NC
Other facilities
- Duke Home HealthHome health agency · Durham, NC
- Medi Home Health AgencyHome health agency · Raleigh, NC
Industry payments (Open Payments)
- 2025$2,397 · 18 payments from 2 companies
- 2024$365.50 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $2,273 | 14 |
| Lifenet Health | $124.21 | 4 |
What the 2025 payments were for
- Travel and Lodging$1,478 · 4 payments
- Food and Beverage$919.81 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 adult health nurse practitioners in Rockville · All adult health nurse practitioners in Maryland