Jason Hennessy, FNP-BC
NPI 1912423757 · Family Nurse Practitioner · Duncan, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Hennessy, FNP-BC is a Family Nurse Practitioner provider in Duncan, SC (NPI 1912423757).
Provider details
- NPI number
- 1912423757
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 21173 (SC)
Specialties & taxonomies
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
29 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 29 | $10 |
Typical Medicare-allowed amounts for these services range $10–$10 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 326 | 98 |
| Amlodipine Besylate | 258 | 73 |
| Gabapentin | 114 | 41 |
| Omeprazole | 114 | 34 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 102 | 34 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 86 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 across 6 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
Additional practice locations (1)
- 1604 N Limestone StGaffney, SC 29340-2312Phone: (864) 902-1000
Registry dates
- Enumerated
- 2017-08-14
- Last updated
- 2025-10-22
- Certified
- 2025-10-22
Frequently asked questions
- What is Jason Hennessy's NPI number?
- Jason Hennessy's National Provider Identifier (NPI) is 1912423757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Hennessy's specialty?
- Jason Hennessy is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jason Hennessy located?
- Jason Hennessy's practice location on file with NPPES is 500 Squires PT Ste a, Duncan, SC 29334-8867.
- What is Jason Hennessy's phone number?
- The practice phone number listed in the NPPES registry for Jason Hennessy is (864) 968-5126.
- Does Jason Hennessy accept Medicare?
- Jason Hennessy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Hennessy's NPI active?
- Yes — Jason Hennessy's NPI (1912423757) is active in the NPPES registry as of the last update on 2025-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.