Chastity Rochelle Aubuchon, FNP
Family Nurse Practitioner · O Fallon, MO
Chastity Rochelle Aubuchon, FNP is a family nurse practitioner with a practice address in O Fallon, Missouri, and NPI 1225402860, issued on Nov 19, 2015. Check the license (Missouri 2015040588, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chastity Rochelle Aubuchon
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2015040588 MO
Self-reported in NPPES; status is on the state search - Practice location
- 207 E Pitman St, O Fallon, MO 63366
- Phone
- (636) 875-1140
- Enumerated
- Nov 19, 2015
- Record last updated
- Nov 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190410001804); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 207 E Pitman St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Grawey, M.D.Family Medicine Physician1083824684
Verify Chastity Rochelle Aubuchon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2015040588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average family nurse practitioner in 2024
5,553 Medicare Part D claims for 184 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate273 claims
- Levothyroxine Sodium255 claims
- Atorvastatin Calcium220 claims
- Donepezil Hcl213 claims
- Furosemide190 claims
- Amlodipine Besylate166 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.
Industry payments in 2024: $14.09
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Primary Care House Calls PAGulf Breeze, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
44 family nurse practitioner records list a practice address in O Fallon
They are 44 of the 1,225 NPPES records with a practice address in O Fallon, and 5,226 family nurse practitioner records in Missouri.
All 44 in O Fallon → All 5,226 in Missouri → Every provider in O Fallon →
Other family nurse practitioner records in Missouri
- Sara Abben, APRNGrandview, MO1760105274
- Andrea Abbott, FNP-CChesterfield, MO1588003842
- Dana Abdel Jawad, DNP, APRN, FNP-CKansas City, MO1245185974
- Zara Abdush-Shakir Bever, FNPKansas City, MO1265283923
- Patricia Abele, NPChesterfield, MO1265418057
- Abisola AbimbolaSaint Louis, MO1083440457
- Melissa Abramovitz, FNP-BCKansas City, MO1679170005
- Ana Abrudan-Danalache, FNPWillard, MO1053035394
- Karen Abt, FNPCape Girardeau, MO1144672577
- Nadeen AbusalimKansas City, MO1437030954
Common questions
What is Chastity Rochelle Aubuchon, FNP's NPI number?
Chastity Rochelle Aubuchon, FNP's National Provider Identifier (NPI) is 1225402860, issued on Nov 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chastity Rochelle Aubuchon, FNP located?
The NPPES record lists a practice address at 207 E Pitman St, O Fallon, MO, 63366. Phone: (636) 875-1140. Providers update this record themselves, so call before visiting.
How can I verify Chastity Rochelle Aubuchon, FNP's license?
NPPES lists Missouri license number 2015040588, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Chastity Rochelle Aubuchon, FNP prescribe under Medicare Part D?
In 2024, Chastity Rochelle Aubuchon, FNP had 5,553 Medicare Part D claims for 184 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.