DONNA BLACKWELL-SINGLETON LPN
NPI 1336736453
Licensed Practical Nurse in Baltimore, MD

NPI Status: Active since December 22, 2020

Contact Information

3700 ODONNELL ST
BALTIMORE, MD
ZIP 21224
Phone: (312) 262-2739
Fax: (312) 564-4069

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Licensed Practical Nurse

About DONNA BLACKWELL-SINGLETON

This page provides the complete NPI Profile along with additional information for Donna Blackwell-singleton, a provider established in Baltimore, Maryland with a medical specialization in Licensed Practical Nurse. The healthcare provider is registered in the NPI registry with number 1336736453 assigned on December 2020. The practitioner's primary taxonomy code is 164W00000X with license number LP21407 (MD). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI: 1336736453
Provider Name: DONNA BLACKWELL-SINGLETON LPN
Gender: Female
Entity Type: Individual
Location Address: 3700 ODONNELL ST BALTIMORE, MD 21224
Location Phone: (312) 262-2739
Location Fax: (312) 564-4069
Mailing Address: 1340 S DAMEN AVE STE 400 CHICAGO, IL 60608
Mailing Phone: (312) 262-2739
Is Sole Proprietor?: Yes
Enumeration Date: 12-22-2020
Last Update Date: 12-22-2020
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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: Licensed Practical Nurse
Taxonomy Code: 164W00000X
Type: Nursing Service Providers
License No.: LP21407
License State: MD
Taxonomy Description: A licensed practical nurse with post-high school vocational training and practical experience in the provision of nursing care at a level less than that required for certification as a Registered Nurse. Requirements for education, experience, licensure, and job responsibilities vary among the states.

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 1336736453, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 3 → 6 7 → 14 → 5 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 1 + 4 + 3 + 1 + 2 + 4 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1336736453.