Provider Profile
Margaux A. Weller, FNP-BC
Unclaimed ProfileAbout Margaux Weller
Margaux A. Weller, FNP-BC is a nurse practitioner — family based in Saint Charles, MO. Medicare claims data shows Margaux provided 92 services to 88 patients. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, advance care planning, first 30 minutes, and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (636) 947-5000
- Email not available
Practice Locations
300 1ST CAPITOL DR
Saint Charles, MO 63301
400 1st Capitol Dr Ste 201
Saint Charles, MO 63301
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Common cold
- Diabetes
- Flu
- High blood pressure
- Sinus infection
- UTI
Allergies
- Seasonal allergies
Allergy & skin
- Hives
Blood disorders
- Iron-deficiency anemia
Bone & joint
- Osteoporosis
Dermatology
- Head lice
- Precancerous sun spot
- Psoriasis
- Ringworm
- Rosacea
Digestive
- Celiac disease
- Constipation
- Hemorrhoids
Digestive health
- Acid reflux
- IBS
- Viral gastroenteritis
Eye conditions
- Pink eye
Heart health
- High cholesterol
Hormones & endocrine
- Hypothyroidism
Infections
- COVID-19
- Ear infection
- Herpes simplex of the skin
- Mononucleosis
- Shingles
- Strep throat
Men's health
- Testosterone deficiency
Mental health
- ADHD
- Anxiety
- Depression
Metabolic & weight
- Obesity
Nerve & joint
- Carpal tunnel
Nerve & spine
- Sciatica
Neurological
- Vertigo
Pain
- Gout
- Heel pain
- Lower back pain
- Migraines
- Osteoarthritis
Pain & spine
- Neck pain
Pediatric infections
- Hand, foot, and mouth disease
Respiratory
- Acute bronchitis
- Asthma
- Chronic cough
- Community-acquired pneumonia
Skin
- Acne
- Contact dermatitis
- Eczema
- Foot fungus
- Hair loss
- Poison Ivy
Sleep
- Insomnia
Urinary health
- Overactive bladder
Women's health
- Bacterial vaginosis
- Heavy periods
- Perimenopause
- Yeast infection
Procedures & services
Most searched procedures
- Annual physical exam
- Routine blood work
- Sick visit
- Sports physical
- Suture removal
- Vaccination
Allergies
- Allergy testing
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
- Rapid flu test
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Hormones & endocrine
- Hormone Replacement Therapy Consultation
Injections
- Vitamin B12 Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
- Smoking cessation counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
- Minor laceration repair
Neurological care
- Concussion evaluation
Occupational health
- DOT Physical
Pain management
- Joint injection or aspiration
- Trigger Point Injections
Physical exams
- School Physical
Prescriptions
- Prescription Refill
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
- Camp Physical
- Pre-Op Clearance Exam
Respiratory care
- Breathing Treatment
Screenings
- TB test
Sexual health
- PrEP consultation
- STD Swabs and Screening
Skin procedures
- Mole Check
- Skin biopsy
- Skin Tag Removal
- Wart Removal
Sleep
- At-Home Sleep Study Ordering
Urgent care
- Splinting of minor injuries
- Tick Removal
Weight management
- Weight Loss Injections and Medication
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- IUD insertion and removal
- Pap smear
- Pregnancy Confirmation Test
- Well-woman exam
Procedures Most Often Billed to Medicare
92 services · 88 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
32 | As often as other peers in Nurse Practitioner, Family |
| Advance care planning, first 30 minutes | Office visit | 99497 |
27 | As often as other peers in Nurse Practitioner, Family |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
18 | As often as other peers in Nurse Practitioner, Family |
| Advance care planning, each additional 30 minutes | Office visit | 99498 |
15 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Saint Charles 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Margaux A. Weller specialize in?
Margaux A. Weller is a nurse practitioner in Saint Charles, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Margaux A. Weller located?
Margaux A. Weller is listed at 300 1St Capitol Dr, Saint Charles, MO 63301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Margaux A. Weller's phone number?
The number on file is (636) 947-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Margaux A. Weller?
Margaux A. Weller's National Provider Identifier is 1083153589. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Margaux A. Weller train?
Margaux A. Weller attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Margaux A. Weller have?
Margaux A. Weller has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Margaux A. Weller do most often?
According to Medicare billing data, Margaux A. Weller the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Margaux A. Weller's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Margaux A. Weller. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.