DR. LASZLO STEVEN TEKLER DO
NPI 1184674277
Internal Medicine - Cardiovascular Disease in Duluth, MN
About Dr. Laszlo Steven Tekler Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LASZLO STEVEN TEKLER DO (NPI 1184674277) is an individual cardiovascular disease provider in Duluth, Minnesota, licensed in Minnesota (34967) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Laszlo Steven Tekler Do 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
4Medicare enrollment records show Laszlo Tekler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duluth, MN 55812
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- 179 clinicians in this Medicare group
Moose Lake, MN 55767
- Reassigned Medicare billing, Minnesota enrollment
- 222 clinicians in this Medicare group
Grand Rapids, MN 55744
- 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 8
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 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, MNEssentia Health Duluth
Acute Care Hospitals · Duluth, MNEssentia Health Virginia
Acute Care Hospitals · Virginia, MNRainy Lake Medical Center
Critical Access Hospitals · International Falls, MNEssentia Health Northern Pines Medical Center
Critical Access Hospitals · Aurora, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55802 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 55802
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 Laszlo Tekler's NPI number?
The NPI number for Laszlo Tekler is 1184674277. It was assigned to this individual provider in the NPPES registry on May 11, 2006.
Where is Laszlo Tekler located?
Laszlo Tekler practices at 1001 E Superior St Ste L201, Duluth, MN 55802. The listed phone number is (218) 249-3057.
What is Laszlo Tekler's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Laszlo Tekler enrolled in Medicare?
Yes. Laszlo Tekler 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 Laszlo Tekler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Laszlo Tekler reassigns Medicare benefits to 4 organizations: The Duluth Clinic, Ltd (Duluth, MN), St Marys Medical Center (Duluth, MN), Essentia Health Moose Lake (Moose Lake, MN) and Deer River Healthcare Center, Inc. (Grand Rapids, 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 Laszlo Tekler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Laszlo Tekler accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and Security Health Plan list Laszlo Tekler 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 Laszlo Tekler affiliated with any hospitals?
According to CMS data, Laszlo Tekler is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Essentia Health Virginia, Rainy Lake Medical Center and Essentia Health Northern Pines Medical Center.
When was this NPI record last updated?
The NPPES record for Laszlo Tekler was last updated on January 31, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Laszlo Steven Tekler, DO · NPI 1184674277
Cardiovascular Disease physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since May 11, 2006.
## Identity
- **NPI:** 1184674277 (Entity type: Individual)
- **Enumerated:** May 11, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 34967 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 E SUPERIOR ST, STE L201, Duluth, MN 55802-2207
- **Phone:** (218) 249-3057 · **Fax:** (218) 249-3091
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): The Duluth Clinic, Ltd (NPI 1275839193, Duluth, MN); St Marys Medical Center (NPI 1457393035, Duluth, MN); Essentia Health Moose Lake (NPI 1154959880, Moose Lake, MN); Deer River Healthcare Center, Inc. (NPI 1093152423, Grand Rapids, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Des Moines University Of Osteopathic Medicine And Health Sciences, class of 1984
## Record status
- **NPPES last updated:** January 31, 2017
- **Other identifiers:** Medicaid 236265100 (MN); Medicare UPIN D27398 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1184674277) · Data from the CMS NPPES public registry.