NATHAN M KUNZLER MD
NPI 1457700593
Emergency Medicine in St Paul, MN

Active since June 09, 2016PECOS EnrolledAccepts Medicare Assignment
REGIONS HOSPITAL, 640 JACKSON STREET, #1102F, ST PAUL, MN 55101(801) 529-7582 Get Directions Write a Review

NPPES record last updated: February 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nathan M Kunzler Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATHAN M KUNZLER MD (NPI 1457700593) is an individual emergency medicine provider in St Paul, Minnesota, licensed in Massachusetts (267857) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of New York University School Of Medicine (2016).

NPPES Registry Identity

NPI1457700593
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameNATHAN M KUNZLERCredential: MD
Location AddressREGIONS HOSPITAL, 640 JACKSON STREET, #1102FSt Paul, MN 55101
Mailing AddressRegions Hospital, 640 Jackson Street, #1102fSt Paul, MN 55101
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2016
Enumeration DateJune 9, 2016
Last NPPES UpdateFebruary 21, 2022
NPPES CertifiedFebruary 9, 2022
✔ NPI 1457700593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 267857
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
REGIONS HOSPITAL, St Paul, MN 55101

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

Nathan M Kunzler 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.

PECOS PAC ID2365738184
PECOS Enrollment IDI20201023002827
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

11

Medicare enrollment records show Nathan Kunzler reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
2829 UNIVERSITY AVE SE STE 730
Minneapolis, MN 55414
  • Reassigned Medicare billing, Minnesota enrollment
  • 218 clinicians in this Medicare group
Critical Access
405 STAGELINE RD
Hudson, WI 54016
  • Reassigned Medicare billing, Wisconsin enrollment
  • 158 clinicians in this Medicare group
Critical Access
535 HOSPITAL ROAD
New Richmond, WI 54017
  • Reassigned Medicare billing, Wisconsin enrollment
  • 357 clinicians in this Medicare group
Critical Access
265 GRIFFIN ST E
Amery, WI 54001
  • Reassigned Medicare billing, Wisconsin enrollment
  • 348 clinicians in this Medicare group
Multi-Specialty
45 LADY LUCK DR
Hinckley, MN 55037
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1326041633 (Minnesota)
  • 159 clinicians in this Medicare group
Rural Health
1180 CHANDLER DRIVE
Spooner, WI 54801
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: St Marys Hospital Of Superior
  • Also billed through NPI 1083657886 (Wisconsin)
  • 381 clinicians in this Medicare group
Critical Access
4572 COUNTY ROAD 61
Moose Lake, MN 55767
  • Reassigned Medicare billing, Minnesota enrollment
  • 213 clinicians in this Medicare group
Multi-Specialty
1413 HIGHWAY 33 S
Cloquet, MN 55720
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,460 clinicians in this Medicare group
General Acute Care Hospital
402 E 2ND ST
Duluth, MN 55805
  • Reassigned Medicare billing, Minnesota enrollment
  • 179 clinicians in this Medicare group
General Acute Care Hospital
901 9TH ST N
Virginia, MN 55792
  • Reassigned Medicare billing, Minnesota enrollment
  • 171 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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
22 services22 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240002
Location402 East Second StreetDuluth, MN 55805 · St. Louis County
Emergency services Birthing friendly

Essentia Health Virginia

Acute Care Hospitals · Virginia, MN
OwnershipGovernment - Local
CMS Certification Number240084
Location901 9th Street NorthVirginia, MN 55792 · St. Louis County
Birthing friendly

Essentia Health Sandstone

Critical Access Hospitals · Sandstone, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241309
Location705 Lundorff Drive SouthSandstone, MN 55072 · Pine County
Emergency services

Essentia Health Northern Pines Medical Center

Critical Access Hospitals · Aurora, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241340
Location5211 Highway 110Aurora, MN 55705 · St. Louis County
Emergency services

St Marys Hospital Superior

Critical Access Hospitals · Superior, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521329
Location3500 Tower AveSuperior, WI 54880 · Douglas County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist/Technologist (Athletic Trainer)
REGIONS HOSPITAL, 640 JACKSON ST. MS:13801B
ST. PAUL, MN 55101
Physician Assistant
REGIONS HOSPITAL, 640 JACKSON STREET MS11102F
ST. PAUL, MN 55101

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 Nathan Kunzler's NPI number?

The NPI number for Nathan Kunzler is 1457700593. It was assigned to this individual provider in the NPPES registry on June 9, 2016.

Where is Nathan Kunzler located?

Nathan Kunzler practices at Regions Hospital 640 Jackson Street, #1102f, St Paul, MN 55101. The listed phone number is (801) 529-7582.

What is Nathan Kunzler's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nathan Kunzler enrolled in Medicare?

Yes. Nathan Kunzler 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 Nathan Kunzler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Kunzler reassigns Medicare benefits to 11 organizations: Emergency Care Consultants, PA (Minneapolis, MN), Hudson Hospital, Inc. (Hudson, WI), Westfields Hospital, Inc. (New Richmond, WI), Amery Regional Medical Center, Inc. (Amery, WI), Pine Medical Center (Hinckley, MN) and 6 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 Nathan Kunzler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nathan Kunzler affiliated with any hospitals?

According to CMS data, Nathan Kunzler is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Virginia, Essentia Health Sandstone, Essentia Health Northern Pines Medical Center and St Marys Hospital Superior.

When was this NPI record last updated?

The NPPES record for Nathan Kunzler was last updated on February 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.