Christine Garrity, CRNP
NPI 1821590878ActiveIndividual· Nurse Practitioner, Family· California, MD
Nurse Practitioner, Family (CRNP) with Medstar Medical Group - Southern Maryland LLC, practicing in California, Maryland. Their prescriptions cost Medicare Part D more than their services did: $252,584 for 2,248 claims, against $77,710 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $388.59 in all, mostly food and beverage. Lists Medstar Saint Mary's Hospital as a hospital affiliation.
Overview
| NPI | 1821590878 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Mar 6, 2018 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R206492 | MD |
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 - Nurse Practitioner (DC); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 363 |
|---|---|
| Services billed | 2,432 across 63 procedure codes |
| Paid by Medicare | $77,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,248 · 5,296 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $252,584 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group - Southern Maryland LLCHollywood, MD · 245 clinicians
Hospital affiliation
- Medstar Saint Mary's HospitalLeonardtown, MD
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$388.59 · 29 payments from 7 companies
- 2024$410.27 · 20 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $205.17 | 20 |
| Lilly USA, LLC | $58.38 | 3 |
| Novo Nordisk Inc | $51.09 | 2 |
| Vertex Pharmaceuticals Incorporated | $21.33 | 1 |
| Glaxosmithkline, LLC. | $19.97 | 1 |
What the 2025 payments were for
- Food and Beverage$388.59 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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