Marissa Bottos, FNP, APRN – Family Nurse Practitioner

Key facts

NPI: 1639720972
Entity type: Individual (NPI type 1)
Primary specialty: Family Nurse Practitioner 363LF0000X
License: 71009430A (IN)
Practice address: 1331 State St # 340
La Porte, IN 46350-3112
Phone: (219) 324-0875
Fax: (219) 324-0827
NPI assigned: Sep 27, 2019
Sex: Female
Sole proprietor: No

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Dalal Medical Corporation Gastroenterology Physician · Munster, IN · NPI 1720024615

Medicare reassignment Care Compare group NPD FAMILY · IN
La Porte Clinic Company LLC Internal Medicine Physician · Valparaiso, IN · NPI 1568829224

Medicare reassignment Care Compare group NPD IN
The Methodist Hospitals, Inc Internal Medicine Physician · Gary, IN · NPI 1720290349

Medicare reassignment NPD IN
Chesterton Physical Therapy, Inc. Physical Therapist · Chesterton, IN · NPI 1467608687

Care Compare group
La Porte Clinic Company LLC Rural Health Clinic/Center · Knox, IN · NPI 1770936965

Care Compare group
La Porte Clinic Company LLC Durable Medical Equipment & Medical Supplies · La Porte, IN · NPI 1275081788

NPD
The Methodist Hospitals, Inc Neurology Physician · Gary, IN · NPI 1720290588

NPD

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Franciscan Health Munster General Acute Care Hospital · Munster, IN · NPI 1427493246

Care Compare affiliation Hospital
La Porte Hospital Company LLC General Acute Care Hospital · La Porte, IN · NPI 1750746285

Care Compare affiliation Hospital
The Methodist Hospitals, Inc General Acute Care Hospital · Gary, IN · NPI 1467504555

Care Compare affiliation Hospital

Medicare Care Compare profile

Specialty: Nurse Practitioner
Education: Other, 2019
Medicare assignment: Accepts the Medicare-approved amount as payment in full
Group practices: La Porte Clinic Company LLC (66 clinicians)
Chesterton Physical Therapy Inc (191 clinicians)
Dalal Medical Corporation (9 clinicians)

Practice addresses (Care Compare)

1331 State St
Suite 340
La Porte, IN 46350-3112
Phone (219) 379-3166

425 Sand Creek Dr
Suite C
Chesterton, IN 46304-1589

9410 Calumet Ave
Munster, IN 46321-0018
Phone (219) 922-4900

Hospital & facility affiliations

Methodist Hospitals Inc Hospital · Gary, IN · CCN 150002
Northwest Health-la Porte Hospital · La Porte, IN · CCN 150006
Franciscan Health Munster Hospital · Munster, IN · CCN 150165

Merit-based Incentive Payment System (MIPS)

Final score: 92.23 of 100 (group)
Quality: 84.45
Improvement activities: 40

Merit-based Incentive Payment System (MIPS)

Final score: 78.64 of 100 (group)
Quality: 56.64
Promoting interoperability: 73
Improvement activities: 40
Cost: 76.72

Medicare participation

Medicare fee-for-service enrollment: Enrolled in IN
Eligible to order & refer: Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No

Medicare enrollment records

Enrollment ID	State	Provider type	PAC ID	Details
I20191114000477	IN	Practitioner - Nurse Practitioner	5698107555	Reassigns benefits to 3 organizations

National Provider Directory

Medicare enrollment (NPD): Yes
Credentials: Nurse Practitioner

Practice roles

Organization	Specialty	Status	New patients
The Methodist Hospitals, Inc		Current since Sep 1, 2020	Accepting new patients
La Porte Clinic Company LLC		Current since Mar 1, 2026	Accepting new patients
The Methodist Hospitals, Inc		Current since Sep 1, 2020	Accepting new patients
La Porte Clinic Company LLC		Current since Mar 1, 2026	Accepting new patients
Dalal Medical Corporation	Family	Current since Oct 9, 2019	Accepting new patients

Locations

27350 Network Pl
Chicago, IL 60673

2269 W 25th Ave
Gary, IN 46404
Phone (219) 738-2081

104 E Culver Rd
Ste 105
Knox, IN 46534
Phone (574) 772-7300

402 W Culver Rd
Knox, IN 46534
Phone (219) 772-7918

1331 State St
Ste 340
La Porte, IN 46350
Phone (219) 324-0875

401 Newport Blvd
Laporte, IN 46350
Phone (219) 326-1775

8777 Broadway
Merrillville, IN 46410
Phone (219) 736-5151

200 E 89th Ave
Merrillville, IN 46410
Phone (219) 738-4926

8701 Broadway
Merrillville, IN 46410
Phone (219) 738-4926

101 E 87th Ave
Merrillville, IN 46410
Phone (219) 738-6670

9410 Calumet Ave
Ste 401
Munster, IN 46321
Phone (219) 922-4900

Interoperability endpoints

Direct secure messaging: mbottos158173@direct.franciscanalliance.org

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Family Nurse Practitioner	363LF0000X	71009430A	IN	Yes

Addresses

Primary practice location

1331 State St # 340
La Porte, IN 46350-3112

Mailing address

1331 State St # 340
La Porte, IN 46350-3112
Phone (219) 324-0875

Other names

Marissa Smith Former name

Other providers in La Porte, IN

All providers in La Porte, IN · Family Nurse Practitioner in Indiana

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Mar 19, 2026. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
Order and Referring (CMS).
Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.