Doctor profile · Federal record
Dr. Nell Hennon, D.O.
Family Medicine Physician (CMS: Family Practice) · O Fallon, IL
- NPI 1992739221
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1512 N Green Mount RD, Suite 108
O Fallon, IL 622691953
(618) 624-5510
fax (618) 624-5529
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 30, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036115755
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992739221. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,831
Distinct HCPCS
10
Medicare allowed
$143,815
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 558 | 286 | $127 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 300 | 191 | $88 | |
83036 |
Hemoglobin a1c level | 145 | 85 | $9 | |
36415 |
Insertion of needle into vein for collection of blood sample | 140 | 106 | $8 | |
G0008 |
Administration of influenza virus vaccine | 124 | 123 | $30 | |
90662 |
Influenza vaccine split virus, preservative free | 105 | 105 | $72 | |
81003 |
Automated urinalysis test | 79 | 60 | $2 | |
96372 |
Injection of drug or substance under skin or into muscle | 57 | 13 | $14 | |
87428 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 44 | 36 | $30 | |
99496 |
Transitional care management services for problem of high complexity | 28 | 24 | $275 |
In context: peer comparison
Among 10 peers in O Fallon Family Medicine Physician, average services per provider: 68. This provider delivers 27× the peer median.Open Payments
Industry payments received
All-time total
$1,883
Transactions
110
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 17 | $416.70 | |
| Abbvie INC. | 25 | $332.96 | |
| Lilly USA, LLC | 16 | $267.98 | |
| Amgen INC. | 11 | $172.43 | |
| Pfizer INC. | 21 | $161.49 | |
| Janssen Pharmaceuticals, INC | 5 | $130.71 | |
| Biogen, INC. | 4 | $82.86 | |
| Tris Pharma INC | 2 | $35.45 | |
| Novo Nordisk INC | 2 | $33.36 | |
| Exact Sciences Corporation | 2 | $32.39 | |
| Otsuka America Pharmaceutical, INC. | 1 | $26.63 | |
| Abbott Laboratories | 1 | $24.72 | |
| Dexcom, INC. | 1 | $23.53 | |
| Lundbeck LLC | 1 | $21.49 | |
| Lexicon Pharmaceuticals, INC. | 1 | $19.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,750
Patients
479
Total drug cost
$24,036
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 285 | 60 | $4,588 |
| Atorvastatin Calcium | Generic | 230 | 65 | $3,400 |
| Lisinopril | Generic | 136 | 42 | $1,028 |
| Omeprazole | Generic | 129 | 32 | $1,773 |
| Metoprolol Succinate | Generic | 121 | 34 | $1,875 |
| Rosuvastatin Calcium | Generic | 104 | 27 | $2,866 |
| Amlodipine Besylate | Generic | 102 | 29 | $708 |
| Losartan Potassium | Generic | 93 | 29 | $1,280 |
| Furosemide | Generic | 90 | 30 | $594 |
| Hydrochlorothiazide | Generic | 87 | 26 | $402 |
Frequently asked questions
What is Dr. Nell Hennon's medical specialty?
Dr. Nell Hennon practices Family Medicine Physician in O Fallon, IL.
Where does Dr. Nell Hennon practice?
Dr. Nell Hennon practices at 1512 N Green Mount RD, O Fallon, IL 622691953. Office phone: 6186245510.
What is Dr. Nell Hennon's NPI?
Dr. Nell Hennon's National Provider Identifier (NPI) is 1992739221, issued by NPPES.
Does Dr. Nell Hennon accept Medicare assignment?
Yes. Dr. Nell Hennon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nell Hennon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.