MRS. MARISSA ANNE ONTIS (FNP-C) – Family Nurse Practitioner, NPI 1629704929

MRS. MARISSA ANNE ONTIS (FNP-C) is a healthcare provider. based in Carrollton, Illinois. specializing in NURSE PRACTITIONER. They hold the professional credentials FNP-C. They hold a License No. 209025582 (IL). The NPI Number for MRS. MARISSA ANNE ONTIS (FNP-C) is 1629704929

Main info

Female
4 Years Of Experience
Accepts Medicare Assignment
Name
MRS. MARISSA ANNE ONTIS (FNP-C)
NPI
1629704929
Phone
(217) 942-3326
Address
523 S Main St
Enumeration Date
28 July 2022
Last Update Date
1 May 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6184337066
Graduation Year
2022 (4 years ago)
PAC ID
0446636955
Group Practice PAC ID
4486877511
Professional Enrollment ID
I20221007000155
Address ID
IL620026722AL1XXXXDRXX300

Contacts

Secure Messaging
montis@jch.cernerdirect.com
Secure Messaging
marissa.ontis@healogics.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience30
Completeness95
Years active:3State licenses:1Other names

11,632 NURSE PRACTITIONER in IL

Provider Addresses for MRS. MARISSA ANNE ONTIS (FNP-C)

  • 523 S Main St

    Carrollton, IL 620161256

    Phone: (217) 942-3326

    Fax: (217) 942-9833

    Type: Location

  • 414 S State St

    Roodhouse, IL 620821544

    Phone: (217) 589-4383

    Fax: (217) 589-4409

    Type: Location

  • 2 Myrtle

    Hardin, IL 620471002

    Phone: (618) 576-9407

    Fax: (618) 576-2260

    Type: Location

  • 270 Maple Summit Rd

    Jerseyville, IL 620522004

    Phone: (618) 498-7108

    Fax: (618) 498-7919

    Type: Location

  • 709 N MAIN ST

    BRIGHTON, IL 620121045

    Phone: (618) 623-2836

    Type: Mailing

  • 400 MAPLE SUMMIT RD STE 200

    JERSEYVILLE, IL 620522028

    Phone: (618) 498-4325

    Fax: (618) 498-9898

    Type: Location

  • 390 MAPLE SUMMIT RD

    JERSEYVILLE, IL 620522000

    Phone: (618) 498-7518

    Fax: (618) 498-3052

    Type: Mailing

  • 1 MEMORIAL DR # G-181

    ALTON, IL 620026722

    Phone: (618) 433-4066

    Fax: (618) 433-7060

    Type: Mailing

  • 1 MEMORIAL DR # G181

    ALTON, IL 620026755

    Phone: (618) 433-7066

    Fax: (618) 433-7060

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 10 Open Payments records for all available years, with a total value of $540.

Total Amount is formed as General ($540) + Research ($0) + Ownership ($0) = $540.

Last reported payment date: 2024-11-11 • Largest payer in this snapshot: Medtronic, Inc. ($331).

Total Amount

$540

General + Research + Ownership

Payments

10

Total payment records

General Amount

$540

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-11

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-09-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20221007000155INurse PractitionerILTBD
I20250919003707INurse PractitionerMOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
11721Removal of fingernails or toenails, 6 or more nails842341$0
99212Established patient office or other outpatient visit, 10-19 minutes10086$0
99213Established patient office or other outpatient visit, 20-29 minutes7977$0
29580Strapping, unna boot5819$0
99203New patient office or other outpatient visit, 30-44 minutes5050$0
View full utilization report →

Insurance plans in this area (ZIP 62016)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4486877511View full group profile
NameSpecialtyState
Emergency MedicineIL
Nurse PractitionerOH
Nurse PractitionerIL
Physical Medicine And Rehabilitation, Interventional Pain ManagementIL
Family PracticeIL
U R O L O G YIL
Nurse PractitionerIL
Family PracticeIL
Family PracticeIL
Physician AssistantIL

Reviews

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Frequently asked questions

How do I look up MRS. MARISSA ANNE ONTIS (FNP-C) by NPI?
Use NPI 1629704929 when you need to reference MRS. MARISSA ANNE ONTIS (FNP-C) in forms, claims, or directories.
Is MRS. MARISSA ANNE ONTIS (FNP-C)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Can you summarize MRS. MARISSA ANNE ONTIS (FNP-C)'s specialty in plain language?
Clinically, the directory lists MRS. MARISSA ANNE ONTIS (FNP-C) with Family Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where is MRS. MARISSA ANNE ONTIS (FNP-C)'s primary listing?
We display Carrollton, Illinois because that is what the record indicates for MRS. MARISSA ANNE ONTIS (FNP-C).
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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