Individual provider Active NPI

Karen Naimoli Jensen, RN, MS, APRN

  • Nurse Practitioner
  • Boston, MA
National Provider Identifier
1396830683
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
2338970 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(617) 732-5500
NPI assigned
Oct 4, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 2338970 MA Primary
Neonatal Nurse Practitioner 363LN0000X 61752 CO
Neonatal Nurse Practitioner 363LN0000X 114745-23 NH

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6110

Mailing address

3788 Bancroft PL
Southport, NC 28461-7507
Phone (720) 560-0397

Other practice location 1

55 Fruit St
Boston, MA 02114-2696
Phone (617) 726-2000

Other practice location 2

789 Central Ave
Dover, NH 03820-2526
Phone (603) 740-2263

Other identifiers 1

IdentifierTypeStateIssuer
3150622MedicaidNH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, MA, OK, DE, NH5 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 5

Enrollment IDStateProvider typePAC IDDetails
I20200220000156 MN Practitioner - Nurse Practitioner 6507293180 Reassigns benefits to 2 organizations
I20200522001560 MA Practitioner - Nurse Practitioner 6507293180 Reassigns benefits to 4 organizations
I20250617001208 OK Practitioner - Nurse Practitioner 6507293180 Reassigns benefits to 1 organization
I20250617002486 DE Practitioner - Nurse Practitioner 6507293180 Reassigns benefits to 2 organizations
I20250812001099 NH Practitioner - Nurse Practitioner 6507293180 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science, Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
2338970MAMDNurse Practitioner
61752COMDNeonatal Nurse Practitioner
114745-23NHMDNeonatal Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Bayhealth Medical Center, Inc. Current Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince May 27, 2025 Accepting new patients
Bayhealth Medical Center, Inc. CurrentSince Apr 10, 2025 Accepting new patients
Ou Health Partners, Inc CurrentSince May 29, 2025 Accepting new patients
Childrens Health Care CurrentSince Mar 1, 2020 Accepting new patients
Bayhealth Medical Center, Inc. Current Accepting new patients
Bayhealth Medical Center, Inc CurrentSince Apr 10, 2025 Accepting new patients
The General Hospital Corporation CurrentSince May 27, 2025 Accepting new patients
Childrens Health Care CurrentSince Mar 1, 2020 Accepting new patients
Ou Health Partners, Inc CurrentSince May 29, 2025 Accepting new patients
Childrens Health Care Current Accepting new patients
Wentworth Douglass Physician Corporation Current Accepting new patients
Wentworth Douglass Physician Corporation CurrentSince Aug 4, 2025 Accepting new patients
Centracare Clinic CurrentSince Apr 1, 2023 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince May 18, 2020 Accepting new patients
Centracare Clinic CurrentSince Apr 1, 2023 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Wentworth Douglass Physician Corporation CurrentSince Aug 4, 2025 Accepting new patients
Bayhealth Medical Center, Inc CurrentSince Apr 10, 2025 Accepting new patients

Locations

640 S State St
Dover, DE 19901
Phone (302) 744-4700

100 Wellness Way
Milford, DE 19963
Phone (302) 422-3311

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

75 Francis St
Boston, MA 02115

254 2nd Ave
Ste 100
Needham Heights, MA 02494
Phone (781) 416-8412

2525 Chicago Ave
Minneapolis, MN 55404
Phone (612) 813-6000

1200 6th Ave N
Saint Cloud, MN 56303
Phone (320) 252-3342

347 Smith Ave N
Saint Paul, MN 55102
Phone (651) 220-6000

789 Central Ave
Dover, NH 03820
Phone (603) 740-2832

789 Central Ave
#2
Dover, NH 03820
Phone (603) 740-2503

900 NE 10th St
Oklahoma City, OK 73104
Phone (405) 271-2230

Interoperability endpoints

  • Direct secure messaging: jensen.karen.bwh@direct.partners.masshiway.net

Organizations & group practices 20

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.

View all 20

NPI Registry JSON

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

{
    "created_epoch": "1159920000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1396830683",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3788 BANCROFT PL",
            "city": "SOUTHPORT",
            "state": "NC",
            "postal_code": "284617507",
            "telephone_number": "720-560-0397"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142696",
            "country_code": "US",
            "telephone_number": "617-726-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "789 Central Ave",
            "address_purpose": "LOCATION",
            "city": "Dover",
            "state": "NH",
            "postal_code": "038202526",
            "country_code": "US",
            "telephone_number": "603-740-2263",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JENSEN",
        "first_name": "KAREN",
        "middle_name": "NAIMOLI",
        "credential": "RN, MS, APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-04",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "2338970",
            "primary": true
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "CO",
            "license": "61752",
            "primary": false
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "NH",
            "license": "114745-23",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3150622",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.