Angela Clercx, NP-C
NPI 1477910461 · Family Nurse Practitioner · O Fallon, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Angela Clercx, NP-C is a Family Nurse Practitioner provider in O Fallon, MO (NPI 1477910461).
Provider details
- NPI number
- 1477910461
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 2016000452 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
404 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $74 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 77 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 56 | $106 |
| Administration of Influenza Virus VaccineG0008 | 20 | $31 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 76 | 32 |
| Azithromycin | 56 | 49 |
| Atorvastatin Calcium | 56 | 25 |
| Methylprednisolone | 50 | 46 |
| Escitalopram Oxalate | 44 | 20 |
| Cephalexin | 43 | 37 |
| Lisinopril | 42 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$207 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-01-21
- Last updated
- 2021-02-12
- Certified
- 2021-02-12
Frequently asked questions
- What is Angela Clercx's NPI number?
- Angela Clercx's National Provider Identifier (NPI) is 1477910461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Angela Clercx's specialty?
- Angela Clercx is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Angela Clercx located?
- Angela Clercx's practice location on file with NPPES is 20 Progress Point Pkwy, O Fallon, MO 63368-2206.
- What is Angela Clercx's phone number?
- The practice phone number listed in the NPPES registry for Angela Clercx is (636) 344-2400.
- Does Angela Clercx accept Medicare?
- Angela Clercx is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Angela Clercx's NPI active?
- Yes — Angela Clercx's NPI (1477910461) is active in the NPPES registry as of the last update on 2021-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.