DR. JENNIFER KAY MERLIS MD
NPI 1326274234
Emergency Medicine in Duluth, MN
About Dr. Jennifer Kay Merlis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNIFER KAY MERLIS MD (NPI 1326274234) is an individual emergency medicine provider in Duluth, Minnesota, licensed in Minnesota (57002) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jennifer Kay Merlis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Jennifer Merlis reassigns Medicare billing to 6 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
- 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
Aurora, MN 55705
- Reassigned Medicare billing, Minnesota enrollment
- 136 clinicians in this Medicare group
Virginia, MN 55792
- Reassigned Medicare billing, Minnesota enrollment
- 171 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 4
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.
Physician 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.
DULUTH, MN 55805
DULUTH, MN 55805
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 Merlis's NPI number?
The NPI number for Jennifer Merlis is 1326274234. It was assigned to this individual provider in the NPPES registry on June 5, 2009.
Where is Jennifer Merlis located?
Jennifer Merlis practices at 407 E 3rd St Essentia Health-St. Mary's Medical Center, Duluth, MN 55805. The listed phone number is (218) 786-4357.
What is Jennifer Merlis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jennifer Merlis enrolled in Medicare?
Yes. Jennifer Merlis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jennifer Merlis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Merlis reassigns Medicare benefits to 6 organizations: St. Mary's Medical Center (Duluth, MN), St. Mary's Hospital Of Superior (Superior, WI), Essentia Health Moose Lake (Moose Lake, MN), Northern Pines Medical Center (Aurora, MN), Essentia Health Virginia, LLC (Virginia, MN) and 1 more organization, 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 Jennifer Merlis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jennifer Merlis was last updated on October 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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 Kay Merlis, MD · NPI 1326274234
Emergency Medicine physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since June 5, 2009.
## Identity
- **NPI:** 1326274234 (Entity type: Individual)
- **Enumerated:** June 5, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 57002 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 407 E 3RD ST, ESSENTIA HEALTH-ST. MARY'S MEDICAL CENTER, Duluth, MN 55805-1950
- **Phone:** (218) 786-4357
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): 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); Northern Pines Medical Center (NPI 1881954147, Aurora, MN); Essentia Health Virginia, LLC (NPI 1083617120, Virginia, MN); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 17, 2013
- **Other identifiers:** Medicaid 1326274234 (MI); Medicaid 1326274234 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1326274234) · Data from the CMS NPPES public registry.