Crystalynn Mulligan, CRNP
NPI 1720679731ActiveIndividual· Nurse Practitioner· Sellersville, PA
Nurse Practitioner (CRNP) with Clinical Specialty Associates, practicing in Sellersville, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $357,672 for 2,988 claims, against $6,686 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 12 companies reporting payments in 2025, $538.92 in all, mostly food and beverage. Lists Doylestown Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1720679731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Feb 2, 2021 |
| Last updated in NPPES | Mar 7, 2024 |
| Certified by provider | Mar 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN706889 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 134 across 7 procedure codes |
| Paid by Medicare | $6,686 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,988 · 7,499 30-day fills |
|---|---|
| Patients | 642 |
| Total drug cost | $357,672 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Clinical Specialty AssociatesDoylestown, PA · 171 clinicians
Hospital affiliations
- Doylestown HospitalDoylestown, PA
- St Luke's Hospital - Grand View CampusSellersville, PA
- St Luke's Hospital - Upper Bucks CampusQuakertown, PA
Industry payments (Open Payments)
- 2025$538.92 · 25 payments from 12 companies
- 2024$998.00 · 50 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $126.61 | 7 |
| Astrazeneca Pharmaceuticals LP | $88.33 | 4 |
| Merck Sharp & Dohme LLC | $69.52 | 3 |
| Novo Nordisk Inc | $61.77 | 3 |
| Baxter Healthcare | $45.95 | 1 |
What the 2025 payments were for
- Food and Beverage$538.92 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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