MARK JOHNSON MD
NPI 1427528546
General Practice in Brentwood, TN

NPI Status: Active since December 01, 2018

Contact Information

278 FRANKLIN RD STE 150
BRENTWOOD, TN
ZIP 37027
Phone: (615) 506-0536

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  • Individual
  • Male
  • General Practice

About MARK JOHNSON

This page provides the complete NPI Profile along with additional information for Mark Johnson, a primary care provider established in Brentwood, Tennessee with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1427528546 assigned on December 2018. The practitioner's primary taxonomy code is 208D00000X with license number 20344 (TN). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1427528546
Provider Name
MARK JOHNSON MD
Gender
Male
Entity Type
Individual
Location Address
278 FRANKLIN RD STE 150 BRENTWOOD, TN 37027
Location Phone
(615) 506-0536
Mailing Address
278 FRANKLIN RD STE 150 BRENTWOOD, TN 37027
Mailing Phone
(615) 506-0536
Is Sole Proprietor?
No
Enumeration Date
12-01-2018
Last Update Date
12-01-2018
Code Navigator

A primary care provider (PCP) like Mark Johnson sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
20344
License State
TN
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
1208800000XAllopathic & Osteopathic Physicians

Urology

20344 (TN)

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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 1427528546, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
6
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 2 → 4 5 → 10 → 1 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 0 + 2 + 1 + 6 + 5 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1427528546.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427528546, enumerated as an "individual" on December 01, 2018.

The provider is located at 278 FRANKLIN RD STE 150 BRENTWOOD, TN 37027 and the phone number is (615) 506-0536.

General Practice with taxonomy code 208D00000X.