Mrs. Marissa Anne Ontis
FNP-C | Nurse Practitioner - Family
400 Maple Summit Rd Ste 200, Jerseyville
Illinois, 62052-2028
618-498-4325
Mrs. Marissa Anne Ontis is a Jerseyville, Illinois based nurse practitioner who is specialized as Family nurse. Active license number of Mrs. Marissa Anne Ontis is 209025582 for Family in Illinois. Her current practice location is 400 Maple Summit Rd Ste 200, Jerseyville. Patients can reach her at 618-498-4325 or can fax her at 618-498-9898. Mrs. Marissa Anne Ontis is FNP-C with specialization in Family and her NPI number (Unique professional ID assigned by NPPES) is 1629704929.
Mrs. Marissa Anne Ontis delivers family-focused care which means she provides care for patients ranging from infants to the elderly and every age in between. Family Nurse Practitioner (FNP) are frequently the primary care provider for families, which means that they will not only diagnose conditions, but also treat them. FNPs perform physical exams, order diagnostic tests and procedures, diagnose and treat illness, prescribe needed medications, and teach their patients how to develop healthy lifestyles to promote health and prevent disease.
Complete Profile:
Mrs. Marissa Anne Ontis speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Mrs. Marissa Anne Ontis |
| Specialization: | Family Nurse Practitioner (FNP) |
| Gender: | Female |
| Credentials: | FNP-C |
| Practice Address: | 400 Maple Summit Rd Ste 200, Jerseyville,
Illinois, 62052-2028 |
| Phone: | 618-498-4325 |
| Fax: | 618-498-9898 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1629704929 |
| NPI Enumeration Date: | 28 Jul, 2022 |
| NPI Last Update On: | 13 Nov, 2024 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mrs. Marissa Anne Ontis are as mentioned below.
| License Number | Specialization | State | Status | |
| 209025582 | Family | Illinois | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Mrs. Marissa Anne Ontis
390 Maple Summit Rd,
Jerseyville, Illinois |
| Zip: | 62052-2000 |
| Phone Number: | 618-498-7518 |
| Fax Number: | 618-498-3052 |
Patients can reach Mrs. Marissa Anne Ontis at
400 Maple Summit Rd Ste 200, Jerseyville, Illinois or can
call to book an appointment on 618-498-4325.
Comments/ Reviews:
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.