DR. BJOERN ERIK TOENNES MD
NPI 1275772311
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Cleveland, OH

NPI Status: Active since February 12, 2009

Contact Information

9500 EUCLID AVE
MAIL CODE: J4-331
CLEVELAND, OH
ZIP 44195
Phone: (216) 444-2779
Fax: (216) 445-2536

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  • Individual
  • Male
  • Internal Medicine
  • Advanced Heart Failure and Transplant Ca...

About BJOERN TOENNES

This page provides the complete NPI Profile along with additional information for Bjoern Toennes, an internist established in Cleveland, Ohio with a medical specialization in Internal Medicine, focusing in advanced heart failure and transplant cardiology . The healthcare provider is registered in the NPI registry with number 1275772311 assigned on February 2009. The practitioner's primary taxonomy code is 207RA0001X with license number 129737 (OH). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1275772311
Provider Name
DR. BJOERN ERIK TOENNES MD
Gender
Male
Entity Type
Individual
Location Address
9500 EUCLID AVE MAIL CODE: J4-331 CLEVELAND, OH 44195
Location Phone
(216) 444-2779
Location Fax
(216) 445-2536
Mailing Address
9500 EUCLID AVE MAIL CODE: J4-331 CLEVELAND, OH 44195
Mailing Phone
(216) 444-2779
Mailing Fax
(216) 445-2536
Is Sole Proprietor?
Yes
Enumeration Date
02-12-2009
Last Update Date
06-12-2020
Code Navigator

An internist like Bjoern Toennes is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Advanced Heart Failure and Transplant Cardiology

Taxonomy Code
207RA0001X
Type
Allopathic & Osteopathic Physicians
License No.
129737
License State
OH
Taxonomy Description
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

129737 (OH)
2207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

129737 (OH)
3207RC0200XAllopathic & Osteopathic Physicians

Internal Medicine
Critical Care Medicine

129737 (OH)
4282N00000XHospitals

General Acute Care Hospital

129737 (OH)

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1275772311, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 7 → 14 → 5 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 4 + 5 + 1 + 4 + 7 + 4 + 3 + 2 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1275772311.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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9500 EUCLID AVE
CLEVELAND, OH 44195
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Anesthesiology
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Nurse Anesthetist, Certified Registered
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Physical Medicine & Rehabilitation (Pain Medicine)
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Internal Medicine (Cardiovascular Disease)
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Internal Medicine (Cardiovascular Disease)
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Internal Medicine (Interventional Cardiology)
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Social Worker
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Internal Medicine (Pulmonary Disease)
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Audiologist
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CLEVELAND, OH 44195
Anesthesiologist Assistant
9500 EUCLID AVE
CLEVELAND, OH 44195
Family Medicine
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Radiology (Diagnostic Radiology)
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CLEVELAND, OH 44195
Surgery
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CLEVELAND, OH 44195
Family Medicine (Sports Medicine)
9500 EUCLID AVE, A 41
CLEVELAND, OH 44195
Surgery
9500 EUCLID AVE, JJ-60
CLEVELAND, OH 44195
Psychiatry & Neurology (Neurology)
9500 EUCLID AVE, S51
CLEVELAND, OH 44195
Pediatrics
9500 EUCLID AVE
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Internal Medicine (Clinical Cardiac Electrophysiology)
9500 EUCLID AVE, WL20
CLEVELAND, OH 44195

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275772311, enumerated as an "individual" on February 12, 2009.

The provider is located at 9500 EUCLID AVE MAIL CODE: J4-331 CLEVELAND, OH 44195 and the phone number is (216) 444-2779.

Internal Medicine with taxonomy code 207RA0001X and a focus in Advanced Heart Failure and Transplant Cardiology.