Individual provider Active NPI

Lauren Pereira, DO

  • Pediatrics Physician
  • Saint John, IN
National Provider Identifier
1417417544
Registry record updated Mar 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
02006718A Issued in IN
Practice address
9660 Wicker Ave
2ND FL
Saint John, IN 46373-9487
Phone
(219) 226-2380
Fax
(219) 226-2381
NPI assigned
Mar 24, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 15, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 02006718A IN Primary

Addresses

Primary practice location

9660 Wicker Ave
2ND FL
Saint John, IN 46373-9487

Mailing address

8558 Broadway
Merrillville, IN 46410-7032
Phone (219) 392-7084

Other names 1

  • Lauren M Thiesfeld Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220517001164 IN Practitioner - Pediatric Medicine 4789061565 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Community Care Network Inc Pediatrics CurrentSince Jul 1, 2022 Accepting new patients

Locations

8558 Broadway
Merrillville, IN 46410
Phone (219) 392-7084

1946 45th St
Ste C
Munster, IN 46321
Phone (219) 440-5334

9130 Columbia Ave
Ste A
Munster, IN 46321
Phone (219) 365-1166

9660 Wicker Ave
#2
Saint John, IN 46373

9660 Wicker Ave
Fl 2
Saint John, IN 46373
Phone (219) 226-2380

Interoperability endpoints

  • Direct secure messaging: lthiesfeld132345@ssdirect.comhs.org

Organizations & group practices 1

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773532800000",
    "number": "1417417544",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8558 BROADWAY",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464107032",
            "telephone_number": "219-392-7084",
            "fax_number": "219-703-6854"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9660 WICKER AVE",
            "address_2": "2ND FL",
            "city": "SAINT JOHN",
            "state": "IN",
            "postal_code": "463739487",
            "telephone_number": "219-226-2380",
            "fax_number": "219-226-2381"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PEREIRA",
        "first_name": "LAUREN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-24",
        "last_updated": "2026-03-15",
        "certification_date": "2026-03-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IN",
            "license": "02006718A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LAUREN",
            "last_name": "THIESFELD",
            "middle_name": "M",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Saint John, IN

Sources for this page

Verify at the official NPI Registry.