Individual provider Active NPI

Mats Steffi Jennifer Masilamani, MD

  • Pediatrics Physician
  • Minneapolis, MN
National Provider Identifier
1013470442
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
71134 Issued in MN
Practice address
2530 Chicago Ave Ste 500
Minneapolis, MN 55404-4291
Phone
(612) 813-8800
NPI assigned
Apr 11, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 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 71134 MN Primary

Addresses

Primary practice location

2530 Chicago Ave Ste 500
Minneapolis, MN 55404-4291

Mailing address

2530 Chicago Ave Ste 500
Minneapolis, MN 55404-4291
Phone (612) 813-8800

Other names 1

  • Dr. Mats Steffi Jennifer Masilamani Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
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
I20220701001738 MN Practitioner - Pediatric Medicine 6901130046 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Current Accepting new patients
Mayo Clinic CurrentSince Jul 6, 2022 Accepting new patients
Mayo Clinic CurrentSince Jul 6, 2022 Accepting new patients

Locations

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

Interoperability endpoints

  • Direct secure messaging: mmasilamani1754117@ehrdirect.mayoclinicmsg.org

Organizations & group practices 3

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": "1554940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1013470442",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2530 CHICAGO AVE STE 500",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554044291",
            "telephone_number": "612-813-8800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2530 CHICAGO AVE STE 500",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554044291",
            "telephone_number": "612-813-8800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASILAMANI",
        "first_name": "MATS STEFFI JENNIFER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-11",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MN",
            "license": "71134",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MATS STEFFI JENNIFER",
            "last_name": "MASILAMANI",
            "prefix": "DR.",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Minneapolis, MN

Sources for this page

Verify at the official NPI Registry.