Angela C. Clercx, NP-C
Family Nurse Practitioner · O Fallon, MO
Angela C. Clercx, NP-C is a family nurse practitioner with a practice address in O Fallon, Missouri, and NPI 1477910461, issued on Jan 21, 2016. Check the license (Missouri 2016000452, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Angela C. Clercx
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 2016000452 MO
2000160140 MO
Self-reported in NPPES; status is on the state search - Practice location
- 20 Progress Point Pkwy, O Fallon, MO 63368
- Phone
- (636) 344-2400
- Enumerated
- Jan 21, 2016
- Record last updated
- Feb 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (636) 344-2401
- Medicare enrollment
- Enrolled (PECOS I20160219001004); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 20 Progress Point Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randy Agolia, MDPediatrics Physician1972575439
- Sunil Apte, MDUrology Physician1598792269
- Jeannine Ayers, ANPAdult Health Nurse Practitioner1831209840
- Acel Camfield, PAPhysician Assistant1982215471
- Colin Dolan, MDPediatrics Physician1629700794
- Emily Hammer, WHNP-BCWomen's Health Nurse Practitioner1841612850
Verify Angela C. Clercx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2016000452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average family nurse practitioner in 2024
1,389 Medicare Part D claims for 398 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Amlodipine Besylate76 claims
- Atorvastatin Calcium56 claims
- Azithromycin56 claims
- Methylprednisolone50 claims
- Escitalopram Oxalate44 claims
- Cephalexin43 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: $206.62
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Physician Groups LCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angela C. Clercx among 5,226 family nurse practitioner records in Missouri
Angela C. Clercx, NP-C is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 40% of them.
- NPI issued2016 · 40% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2018 among the 3,339 with a school on file
- Record last updated2021 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 5,226 in Missouri → Every provider in O Fallon → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jamie Cassani, APRN, FNP-CO Fallon, MO 633681568864296
- Christy Dyer, FNP-BCO Fallon, MO 633681184895690
- Gloria Michelle Edacheril, NPO Fallon, MO 633681144502253
- Casey Fincher, FNPO Fallon, MO 633681659650521
- Kimberly Hadley, CNPDardenne Prairie, MO 633681619108768
- Jade Holman, FNPO Fallon, MO 633681558750364
- Leah Jones, FNPO Fallon, MO 633681932557964
- So Kim, FNP-CO Fallon, MO 633681285183723
Common questions
What is Angela C. Clercx, NP-C's NPI number?
Angela C. Clercx, NP-C's National Provider Identifier (NPI) is 1477910461, issued on Jan 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Angela C. Clercx, NP-C located?
The NPPES record lists a practice address at 20 Progress Point Pkwy, O Fallon, MO, 63368. Phone: (636) 344-2400. Providers update this record themselves, so call before visiting.
How can I verify Angela C. Clercx, NP-C's license?
NPPES lists Missouri license number 2016000452, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Angela C. Clercx, NP-C prescribe under Medicare Part D?
In 2024, Angela C. Clercx, NP-C had 1,389 Medicare Part D claims for 398 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.