Peggy A. Nicolai
- Gender: Female
- Experience: 8 years
- Graduation year: 2013
- Sole propriator: No
- NPI: 1518390236
Peggy A. Nicolai FNP
Family Nurse Practitioner
She is located at 232 South Woods Mill Road in Chesterfield, MO 63017. Can help patients with the following: Anxiety, General Care, Headache, Nausea and Vomiting, Obesity, Weight Loss. Her National Provider Identifier (NPI) number is 1518390236. Appointment can be made via the phone number (314) 434-1500. She is affiliated with 1 hospitals.
Conditions treated
Peggy Ann Nicolai, being an family nurse practitioner, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Peggy A. Nicolai.
- Acne
- Allergies
- Anxiety
- Arthritis
- Asthma
- Attention-Deficit/Hyperactivity Disorder (ADHD)
- Child or Adolescent
- Common Cold
- Depression
- Diabetes
- Fever
- General Care
- Gynecological Exam
- Headache
- High Cholesterol
- Hypertension
- Influenza
- Insomnia
- Migraine
- Nausea and Vomiting
- Obesity
- Prescription Refill
- Sexually Transmitted Diseases (STDs)
- Weight Loss
- Women's Health
Procedures Performed by Peggy A. Nicolai
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Peggy A. Nicolai as in-network for the following 2026 plans.
Health plans
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Simple | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Peggy A. Nicolai is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Peggy A. Nicolai is enrolled to bill Medicare as a Practitioner - Nurse Practitioner .
Bills through: Lawrence E. Samuels M.d., Inc.
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
Graduated in 2013Additional Specialities
- Nurse Practitioner
Looking for more Family Nurse Practitioners?
Out of the 37 family nurse practitioners in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: 8021 Watson Road Webster Groves, 63119, MO
- Gender: Female
- Address: 15740 South Outer 40 Road Chesterfield, 63017, MO
- Gender: Female
- Address: Suite 201 1001 Chesterfield Parkway East Chesterfield, 63017, MO
- Gender: Male
- Address: Suite 404 121 Saint Lukes Center Drive Chesterfield, 63017, MO
- Gender: Female
- Address: 3009 North Ballas Road Suite 100B Saint Louis, 63131, MO
- Gender: Female
- Address: 15740 South Outer 40 Road Chesterfield, 63017, MO
- Gender: Female
- Address: Suite 160 14805 North Outer 40 Road Chesterfield, 63017, MO
- Gender: Female
- Address: 12 Hutchinson Road Ballwin, 63011, MO
- Gender: Female
- Address: 15740 South Outer 40 Road Chesterfield, 63017, MO
- Gender: Female
- Address: 15740 South Outer 40 Road Chesterfield, 63017, MO
Questions & Answers
Has Peggy Ann Nicolai affiliation with hospitals?
Peggy Ann Nicolai is affiliated with ST LUKES HOSPITAL.
Where can you meet with Peggy Ann Nicolai?
Peggy Ann Nicolai's office is located at 232 South Woods Mill Road in Chesterfield, MO 63017.
What conditions does Peggy Ann Nicolai treat?
Peggy Ann Nicolai provides treatment for Anxiety, General Care, Headache, Nausea and Vomiting, Obesity, Weight Loss. For the full list see this list.
Does Peggy Ann Nicolai accept patients with Oscar Insurance Company?
Yes, Peggy Ann Nicolai is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.