KONSTANTINOS SIONTIS MD – NPI #1457615999
Internal Medicine

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Health Care Provider Taxonomy Code for Internal Medicine

KONSTANTINOS SIONTIS is a physician located in ROCHESTER, MN. NPPES has assigned the NPI number 1457615999 to KONSTANTINOS SIONTIS on June 29, 2012. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RC0000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Cardiovascular Disease

The NPI profile was last updated on Oct 03, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for KONSTANTINOS SIONTIS below.

NPI Profile for
KONSTANTINOS SIONTIS

NPI Number
1457615999
Enumeration Date

(about 14 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
KONSTANTINOS SIONTIS
Credentials
MD
Primary location
200 1ST ST SW
ROCHESTER, MN 55905
Phone: (507) 284-2511 Fax:
1 Other location(s):
1400 Bellinger Street
EAU CLAIRE, WI 54703-5222
Phone: (715) 838-5222
Mailing address
PO BOX 860912
MINNEAPOLIS, MN 55486-0912
Phone: (507) 284-2511 Fax:
Sole Proprietor
No
Updated
Certification Date
Oct 03, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RC0000X
- Internal Medicine / Cardiovascular Disease (Primary)		 MN 58218
207RC0001X
- Internal Medicine / Clinical Cardiac Electrophysiology		 MN 58218

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
200 1ST ST SW,
ROCHESTER, MN 77025-1669

Additional Information

Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
KONSTANTINOS SIONTIS is affiliated with the following medical group(s):
  • HOSPITAL
    • MAYO CLINIC HEALTH SYSTEM - ALBERT LEA AND AUSTIN
      404 WEST FOUNTAIN STREET
      ALBERT LEA, MN 56007
    • MAYO CLINIC HOSPITAL ROCHESTER
      1216 SECOND STREET SOUTHWEST
      ROCHESTER, MN 55902

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.