DR. JENNIFER LYNN MARTINELLI MD
NPI 1881645356
Clinic/Center - Urgent Care in Duluth, MN
About Dr. Jennifer Lynn Martinelli Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNIFER LYNN MARTINELLI MD (NPI 1881645356) is an individual urgent care provider in Duluth, Minnesota, licensed in Minnesota (40756) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Dr. Jennifer Lynn Martinelli Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Jennifer Martinelli reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: St Marys Medical Center
- 179 clinicians in this Medicare group
Superior, WI 54880
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Marys Hospital Of Superior
- 381 clinicians in this Medicare group
Moose Lake, MN 55767
- Reassigned Medicare billing, Minnesota enrollment
- 213 clinicians in this Medicare group
Sandstone, MN 55072
- Reassigned Medicare billing, Minnesota enrollment
- 159 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health St Mary's Medical Center
Acute Care Hospitals · Duluth, MNEssentia Health Duluth
Acute Care Hospitals · Duluth, MNSt Marys Hospital Superior
Critical Access Hospitals · Superior, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55805 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.
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 Jennifer Martinelli's NPI number?
The NPI number for Jennifer Martinelli is 1881645356. It was assigned to this individual provider in the NPPES registry on May 12, 2006.
Where is Jennifer Martinelli located?
Jennifer Martinelli practices at 400 E 3rd St Essentia Health Duluth Clinic, Duluth, MN 55805. The listed phone number is (218) 786-6000.
What is Jennifer Martinelli's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.
Is Jennifer Martinelli enrolled in Medicare?
Yes. Jennifer Martinelli is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jennifer Martinelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Martinelli reassigns Medicare benefits to 5 organizations: The Duluth Clinic, Ltd (Duluth, MN), St. Mary's Medical Center (Duluth, MN), St. Mary's Hospital Of Superior (Superior, WI), Essentia Health Moose Lake (Moose Lake, MN) and Pine Medical Center (Sandstone, MN). 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 Jennifer Martinelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Martinelli accept?
Health plans from Anthem Blue Cross and Blue Shield and Medica list Jennifer Martinelli 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.
Is Jennifer Martinelli affiliated with any hospitals?
According to CMS data, Jennifer Martinelli is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth and St Marys Hospital Superior.
When was this NPI record last updated?
The NPPES record for Jennifer Martinelli was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Jennifer Lynn Martinelli, MD · NPI 1881645356
Urgent Care provider in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since May 12, 2006.
## Identity
- **NPI:** 1881645356 (Entity type: Individual)
- **Enumerated:** May 12, 2006
- **Primary specialty:** Clinic/Center - Urgent Care · taxonomy 261QU0200X
- **State license:** 40756 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 E 3RD ST, ESSENTIA HEALTH DULUTH CLINIC, Duluth, MN 55805-1951
- **Phone:** (218) 786-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): The Duluth Clinic, Ltd (NPI 1245278209, Duluth, MN); St. Mary's Medical Center (NPI 1013933936, Duluth, MN); St. Mary's Hospital Of Superior (NPI 1083657886, Superior, WI); Essentia Health Moose Lake (NPI 1154959880, Moose Lake, MN); Pine Medical Center (NPI 1326041633, Sandstone, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** November 24, 2025
- **Other identifiers:** Medicaid 831493400 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1881645356) · Data from the CMS NPPES public registry.