KAREN NAIMOLI JENSEN RN, MS, APRN
NPI 1396830683
Nurse Practitioner in Boston, MA
About Karen Naimoli Jensen Rn, Ms, Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN NAIMOLI JENSEN RN, MS, APRN (NPI 1396830683) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (2338970) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Naimoli Jensen Rn, Ms, Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Karen Jensen reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Dover, NH 03820
- Reassigned Medicare billing, New Hampshire enrollment
- 559 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1356808208 (Delaware)
- 163 clinicians in this Medicare group
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Jensen's NPI number?
The NPI number for Karen Jensen is 1396830683. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Karen Jensen located?
Karen Jensen practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Karen Jensen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Karen Jensen enrolled in Medicare?
Yes. Karen Jensen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Jensen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Jensen reassigns Medicare benefits to 7 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA), Wentworth Douglass Physician Corporation (Dover, NH) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Jensen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Jensen accept?
Health plans from HealthPartners and WellSense Health Plan list Karen Jensen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Karen Jensen was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Karen Naimoli Jensen, RN, MS, APRN · NPI 1396830683
Nurse Practitioner physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1396830683 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2338970 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); Wentworth Douglass Physician Corporation (NPI 1336751825, Dover, NH); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 15, 2025
- **Other identifiers:** Medicaid 3150622 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1396830683) · Data from the CMS NPPES public registry.