Doctor profile · Federal record
Dr. Lara Penn, FNP
Nurse Practitioner · Family Nurse Practitioner · O Fallon, MO
- NPI 1538406954
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
920 N Main St
O Fallon, MO 633661746
(314) 687-2731 - Additional location
-
7909 Highway N
Dardenne Prairie, MO 633687382
(636) 625-1560 - Mailing address
-
Po Box 955534
Saint Louis, MO 631955534
Credentials & registration
- NPI registered
- January 2013 — 13 yrs on file
- Profile last updated
- October 26, 2020
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Missouri #2012041693
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538406954. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
91
Distinct HCPCS
1
Medicare allowed
$5,236
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 91 | 90 | $58 |
In context: peer comparison
Among 10 peers in O Fallon Nurse Practitioner, average services per provider: 83. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
100
Patients
99
Total drug cost
$854
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 42 | 41 | $322 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 21 | 21 | $204 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 15 | 15 | $64 |
| Doxycycline Hyclate | Generic | 11 | 11 | $226 |
| Prednisone | Generic | 11 | 11 | $39 |
Frequently asked questions
What is Dr. Lara Penn's medical specialty?
Dr. Lara Penn practices Nurse Practitioner in O Fallon, MO.
Where does Dr. Lara Penn practice?
Dr. Lara Penn practices at 920 N Main St, O Fallon, MO 633661746. Office phone: 3146872731.
What is Dr. Lara Penn's NPI?
Dr. Lara Penn's National Provider Identifier (NPI) is 1538406954, issued by NPPES.
Does Dr. Lara Penn accept Medicare assignment?
Yes. Dr. Lara Penn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lara Penn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.