DR. DENNIS CRAIG BESLEY M.D.
NPI 1598756009
Internal Medicine - Cardiovascular Disease in Ludington, MI

NPI Status: Active since November 03, 2005

Contact Information

7 ATKINSON DR STE 302
LUDINGTON, MI
ZIP 49431
Phone: (616) 885-5000

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About DENNIS BESLEY

This page provides the complete NPI Profile along with additional information for Dennis Besley, an internist established in Ludington, Michigan with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1598756009 assigned on November 2005. The practitioner's primary taxonomy code is 207RC0000X with license number 4301038014 (MI). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1598756009
Provider Name
DR. DENNIS CRAIG BESLEY M.D.
Gender
Male
Entity Type
Individual
Location Address
7 ATKINSON DR STE 302 LUDINGTON, MI 49431
Location Phone
(616) 885-5000
Mailing Address
100 MICHIGAN ST NE MC 845 GRAND RAPIDS, MI 49503
Is Sole Proprietor?
No
Enumeration Date
11-03-2005
Last Update Date
09-09-2022
Code Navigator

An internist like Dennis Besley 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
4301038014
License State
MI
Taxonomy Description
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.

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 24 times for 23 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 29 times for 24 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 15 times for 15 patients

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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 1598756009, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
9
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 9 → 18 → 9 7 → 14 → 5 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 4 + 5 + 1 + 2 + 0 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1598756009.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dermatology
7 ATKINSON DR STE 302
LUDINGTON, MI 49431
Internal Medicine
7 ATKINSON DR STE 302
LUDINGTON, MI 49431

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598756009, enumerated as an "individual" on November 03, 2005.

The provider is located at 7 ATKINSON DR STE 302 LUDINGTON, MI 49431 and the phone number is (616) 885-5000.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.