Lara Ann Penn, FNP
Nurse Practitioner · O Fallon, MO
Lara Ann Penn, FNP is a nurse practitioner with a practice address in O Fallon, Missouri, and NPI 1538406954, issued on Jan 4, 2013. Check the license (Missouri 2012041693, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lara Ann Penn
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 2012041693 MO
Self-reported in NPPES; status is on the state search - Practice location
- 920 N Main St, O Fallon, MO 63366
- Phone
- (314) 687-2731
- Enumerated
- Jan 4, 2013
- Record last updated
- Oct 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130815000927); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,720 in Missouri → Look up another NPI →
Also registered at 920 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanine Badwan, PHARMDPharmacist1962015487
- Lara Burnett, FNP-BCNurse Practitioner1154652360
- Cortney Buschmann, PHARMDPharmacist1336829779
- Erin Diepenbrock, RPHPharmacist1659654739
- Rachel DovePharmacist1215540125
- Calvin Flemons, PHARMD/MBAPharmacist1952221558
Verify Lara Ann Penn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2012041693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nurse practitioner in 2024
150 Medicare Part D claims for 120 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass36 claims
- Doxycycline Hyclate18 claims
- Fluticasone Propionate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 5 group practices
- Agnesian Healthcare IncFond Du Lac, WI
- Dean Health Systems IncMadison, WI
- Physician Services Corporation OF Southern Illinois IncMount Vernon, IL
- Saints Medical Group, LLCEdmond, OK
- Ssm Medical Group IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lara Ann Penn among 1,720 nurse practitioner records in Missouri
Lara Ann Penn, FNP is one of 1,720 nurse practitioner records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 35% of them.
- NPI issued2013 · 35% of these records are older, 63% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2017 among the 1,080 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 nurse practitioner records list a practice address in O Fallon
They are 36 of the 1,225 NPPES records with a practice address in O Fallon, and 1,720 nurse practitioner records in Missouri.
All 1,720 in Missouri → Every provider in O Fallon → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lara Burnett, FNP-BCO Fallon, MO 633661154652360
- Caitlin Golliver, APRN-CNPO Fallon, MO 633661821877465
- Dawn JohnsO Fallon, MO 633661073903241
- Dawn MatschinerO Fallon, MO 633661710098454
- Kimberly Ranck-Weiss, N.P.O Fallon, MO 633661336344274
- Jennifer Schallert, NPO Fallon, MO 633661932481884
- Sandra Scharf, N.P.O Fallon, MO 633661295920817
- Amy Schwentker, RNFAO Fallon, MO 633661538425269
Common questions
What is Lara Ann Penn, FNP's NPI number?
Lara Ann Penn, FNP's National Provider Identifier (NPI) is 1538406954, issued on Jan 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lara Ann Penn, FNP located?
The NPPES record lists a practice address at 920 N Main St, O Fallon, MO, 63366. Phone: (314) 687-2731. Providers update this record themselves, so call before visiting.
How can I verify Lara Ann Penn, FNP's license?
NPPES lists Missouri license number 2012041693, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Lara Ann Penn, FNP prescribe under Medicare Part D?
In 2024, Lara Ann Penn, FNP had 150 Medicare Part D claims for 120 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.