CASSANDRA U WINSTON-GRIFFIN DNP, CRNP, ANP-BC
NPI 1689960270
Nurse Practitioner - Adult Health in Birmingham, AL

NPI Status: Active since June 22, 2011

Contact Information

3829 LORNA RD STE 312
BIRMINGHAM, AL
ZIP 35244
Phone: (800) 678-4611
Fax: (770) 234-5326

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  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About CASSANDRA WINSTON-GRIFFIN

This page provides the complete NPI Profile along with additional information for Cassandra Winston-griffin, a provider established in Birmingham, Alabama with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1689960270 assigned on June 2011. The practitioner's primary taxonomy code is 363LA2200X with license number 1-063026 (AL). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1689960270
Provider Name
CASSANDRA U WINSTON-GRIFFIN DNP, CRNP, ANP-BC
Gender
Female
Entity Type
Individual
Location Address
3829 LORNA RD STE 312 BIRMINGHAM, AL 35244
Location Phone
(800) 678-4611
Location Fax
(770) 234-5326
Mailing Address
5788 ROSWELL RD ATLANTA, GA 30328
Mailing Phone
(800) 678-4611
Mailing Fax
(770) 234-5326
Is Sole Proprietor?
No
Enumeration Date
06-22-2011
Last Update Date
03-20-2026
Code Navigator

A nurse practitioner (NP) like Cassandra Winston-griffin is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Secondary Locations

  • 4910 Corporate Dr NW Ste H
    Huntsville, AL 35805
    (800) 678-4611
  • 4241 Lomac St
    Montgomery, AL 36106
    (800) 678-4611

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

Nurse Practitioner Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
1-063026
License State
AL

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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 1689960270, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
0
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 8 → 16 → 7 9 → 18 → 9 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 8 + 6 + 0 + 2 + 1 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1689960270.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
3829 LORNA RD STE 312
HOOVER, AL 35244
Family Medicine
3829 LORNA RD STE 312
HOOVER, AL 35244
Physical Medicine & Rehabilitation
3829 LORNA RD STE 312
BIRMINGHAM, AL 35244

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689960270, enumerated as an "individual" on June 22, 2011.

The provider is located at 3829 LORNA RD STE 312 BIRMINGHAM, AL 35244 and the phone number is (800) 678-4611.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.