Kirsten Siwy, PA-C
NPI 1003559832 · Medical Physician Assistant · Leland, NC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirsten Siwy, PA-C is a Medical Physician Assistant provider in Leland, NC (NPI 1003559832).
Provider details
- NPI number
- 1003559832
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 0010-11992 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,986 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 803 | $102 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 436 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 289 | $13 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 148 | $11 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 91 | $55 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 291 | 176 |
| Methotrexate Sodiumbrand: Methotrexate | 166 | 59 |
| Diclofenac Sodium | 104 | 31 |
| Gabapentin | 100 | 29 |
| Hydroxychloroquine Sulfate | 75 | 28 |
| Celecoxib | 68 | 23 |
| Tramadol Hcl | 63 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,496 across 162 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-19
- Last updated
- 2022-04-19
- Certified
- 2022-04-19
Frequently asked questions
- What is Kirsten Siwy's NPI number?
- Kirsten Siwy's National Provider Identifier (NPI) is 1003559832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirsten Siwy's specialty?
- Kirsten Siwy is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kirsten Siwy located?
- Kirsten Siwy's practice location on file with NPPES is 1003 Olde Waterford Way Ste 1b, Leland, NC 28451-4168.
- What is Kirsten Siwy's phone number?
- The practice phone number listed in the NPPES registry for Kirsten Siwy is (910) 679-3212.
- Does Kirsten Siwy accept Medicare?
- Kirsten Siwy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kirsten Siwy's NPI active?
- Yes — Kirsten Siwy's NPI (1003559832) is active in the NPPES registry as of the last update on 2022-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.