Doctor profile · Federal record

Dr. Jason Hennessy, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Duncan, SC

  • NPI 1912423757
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
500 Squires PT Ste A
Duncan, SC 293348867
(864) 968-5126
fax (864) 968-5128
Additional location
1604 N Limestone St
Gaffney, SC 293402312
(864) 902-1000
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
August 2017 — 9 yrs on file
Profile last updated
October 22, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Carolina #21173

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912423757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$171
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 18 13 $10

In context: peer comparison

Among 2 peers in this city , average services per provider: 50. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 2 $39.60
Amgen Inc. 2 $26.97
Novo Nordisk Inc 1 $17.44
Exact Sciences Corporation 1 $15.35

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,656
Patients
544
Total drug cost
$26,761
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 310 99 $4,838
Amlodipine Besylate Generic 251 73 $2,261
Carvedilol Generic 120 36 $1,572
Lisinopril Generic 106 31 $746
Gabapentin Generic 103 39 $2,486
Omeprazole Generic 103 37 $1,586
Diclofenac Sodium Generic 86 38 $1,841
Losartan Potassium Generic 84 29 $1,741
Levothyroxine Sodium Generic 77 18 $1,255
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 76 30 $3,798

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Hennessy's medical specialty?
Dr. Jason Hennessy practices Family Nurse Practitioner in Duncan, SC.
Where does Dr. Jason Hennessy practice?
Dr. Jason Hennessy practices at 500 Squires PT Ste A, Duncan, SC 293348867. Office phone: 8649685126.
What is Dr. Jason Hennessy's NPI?
Dr. Jason Hennessy's National Provider Identifier (NPI) is 1912423757, issued by NPPES.
Does Dr. Jason Hennessy accept Medicare assignment?
Yes. Dr. Jason Hennessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Hennessy commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.