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MR. JOHN E MERTZ MD PHD
NPI 1346217874
Emergency Medicine in St Cloud, MN

Active since March 03, 2006PECOS Enrolled
1406 6 AVE N, ST CLOUD, MN 56301(320) 255-5657(320) 656-7194 Get Directions Write a Review

NPPES record last updated: November 5, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. John E Mertz Md Phd NPPES

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

MR. JOHN E MERTZ MD PHD (NPI 1346217874) is an individual emergency medicine provider in St Cloud, Minnesota, licensed in Minnesota (43425) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346217874
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMR. JOHN E MERTZCredential: MD PHD
Location Address1406 6 AVE NSt Cloud, MN 56301-1901
Mailing Address511 9 Ave SSt Cloud, MN 56301-4238 · (612) 227-6312
Phone(320) 255-5657
Fax(320) 656-7194
Sole ProprietorNo
Enumeration DateMarch 3, 2006
Last NPPES UpdateNovember 5, 2007
✔ NPI 1346217874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MN · 43425
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.
1406 6 AVE N, St Cloud, MN 56301
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Other Identifiers 1

Medicare UPINH39631

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. John E Mertz Md Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

7

Medicare enrollment records show John Mertz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centracare Health-Paynesville LLC
20 mi
Rural Health
130 1ST ST NE
Richmond, MN 56368
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1205269941 (Minnesota)
  • 124 clinicians in this Medicare group
NPI 1144653734 (320) 597-2122
Centracare Health System - Melrose
31 mi
Critical Access
525 W. MAIN STREET
Melrose, MN 56352
  • Reassigned Medicare billing, Minnesota enrollment
  • 180 clinicians in this Medicare group
NPI 1720045073 (320) 256-4231
Centracare Health System - Sauk Centre
42 mi
Rural Health
425 ELM ST N
Sauk Centre, MN 56378
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1740553932 (Minnesota)
  • 173 clinicians in this Medicare group
NPI 1578813762 (320) 352-2221
Centracare Health System - Long Prairie
45 mi
Critical Access
50 CENTRACARE DR
Long Prairie, MN 56347
  • Reassigned Medicare billing, Minnesota enrollment
  • 156 clinicians in this Medicare group
NPI 1164471678 (320) 732-2141
Welia Health
47 mi
Critical Access
301 HIGHWAY 65 S
Mora, MN 55051
  • Reassigned Medicare billing, Minnesota enrollment
  • 126 clinicians in this Medicare group
NPI 1528031390 (320) 679-1212
Emergency Physicians Professional Association
55 mi
Urgent Care
6110 GOLDEN HILLS DR
Golden Valley, MN 55416
  • Reassigned Medicare billing, Minnesota enrollment
  • 328 clinicians in this Medicare group
NPI 1750188488 (952) 835-9880
Cuyuna Regional Medical Center
65 mi
Critical Access
320 E MAIN ST
Crosby, MN 56441
  • Reassigned Medicare billing, Minnesota enrollment
  • 224 clinicians in this Medicare group
NPI 1538143896 (218) 546-7000

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 56301 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.

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 John Mertz's NPI number?

The NPI number for John Mertz is 1346217874. It was assigned to this individual provider in the NPPES registry on March 3, 2006.

Where is John Mertz located?

John Mertz practices at 1406 6 Ave N, St Cloud, MN 56301. The listed phone number is (320) 255-5657.

What is John Mertz's specialty?

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

Is John Mertz enrolled in Medicare?

Yes. John Mertz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Mertz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Mertz reassigns Medicare benefits to 7 organizations: Centracare Health-Paynesville LLC (Richmond, MN), Centracare Health System - Melrose (Melrose, MN), Centracare Health System - Sauk Centre (Sauk Centre, MN), Centracare Health System - Long Prairie (Long Prairie, MN), Welia Health (Mora, MN) 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 John Mertz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Mertz accept?

Health plans from Sanford Health Plan list John Mertz 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 John Mertz was last updated on November 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.