Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Marissa R. Bottos, NP

Works at hospitals in Munster, IN · Gary, IN · La Porte, IN · Indiana

Summary

Marissa R. Bottos, NP (Nurse Practitioner) is listed by Medicare at 3 hospitals in Munster, IN, Gary, IN and La Porte, IN. NPI 1639720972. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marissa R. Bottos, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
Chesterton Physical Therapy IncGroup practice (+2 more)

Quick answers

Which hospitals does Marissa R. Bottos work at?
Medicare's official clinician data lists Marissa R. Bottos at 3 hospitals: Franciscan Health Munster, Methodist Hospitals Inc and Northwest Health-La Porte. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marissa R. Bottos see patients?
Medicare's clinician data lists 3 practice locations, including La Porte, IN, Chesterton, IN and Munster, IN. Call before your visit to confirm the address.
What is Marissa R. Bottos's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Marissa R. Bottos accept Medicare assignment?
Yes. Medicare's clinician data says Marissa R. Bottos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marissa R. Bottos?
(219) 379-3166, as listed in official Medicare / NPI Registry data.
What is Marissa R. Bottos's NPI number?
1639720972. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marissa R. Bottos works

Medicare's Facility Affiliation Data lists Marissa R. Bottos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Marissa R. Bottos is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marissa R. Bottos as a member of these groups (CMS data updated 2026-10-02).

  • Chesterton Physical Therapy Inc186 clinicians in the group
  • La Porte Clinic Company LLC69 clinicians in the group
  • Dalal Medical Corporation9 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Indiana →

Other nurse practitioners in La Porte

Clinicians with the same Medicare primary specialty in La Porte, IN — not a recommendation.

All nurse practitioners in La Porte →

Clinician information

CredentialNP
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639720972
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians