LYNSEY JOHNSON DNP PLLC DBA PCOS SISTER HEALTHCARE
NPI 1548108160
Obstetrics & Gynecology - Gynecology in Houston, TX

NPI Status: Active since March 24, 2026

Contact Information

440 LOUISIANA ST STE 900
HOUSTON, TX
ZIP 77002
Phone: (904) 586-1964
Fax: (888) 597-2357

Recently Updated NPI Information
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.

Table of Contents

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

Organization
Obstetrics & Gynecology
Gynecology

About LYNSEY JOHNSON DNP PLLC DBA PCOS SISTER HEALTHCARE

This page provides the complete NPI Profile along with additional information for Lynsey Johnson Dnp Pllc Dba Pcos Sister Healthcare, a women's health care provider established in Houston, Texas operating as a Obstetrics & Gynecology, focusing in gynecology . The healthcare provider is registered in the NPI registry with number 1548108160 assigned on March 2026. The practitioner's primary taxonomy code is 207VG0400X. The provider is registered as an organization and their NPI record was last updated May 2026. Lynsey Johnson Dnp Pllc Dba Pcos Sister Healthcare operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Lynsey Amanda Johnson Dnp (Ceo)

NPI: 1548108160
Provider Name: LYNSEY JOHNSON DNP PLLC DBA PCOS SISTER HEALTHCARE
Entity Type: Organization
Location Address: 440 LOUISIANA ST STE 900 HOUSTON, TX 77002
Location Phone: (904) 586-1964
Location Fax: (888) 597-2357
Mailing Address: 528 SCOTT BLVD DECATUR, GA 30030
Mailing Phone: (904) 586-1964
Is Sole Proprietor?: No
Is Organization Subpart?: No
Enumeration Date: 03-24-2026
Last Update Date: 05-20-2026
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Women's health care providers like Lynsey Johnson Dnp Pllc Dba Pcos Sister Healthcare treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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: Obstetrics & Gynecology Gynecology
Taxonomy Code: 207VG0400X
Type: Allopathic & Osteopathic Physicians
Taxonomy Description: A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name: LYNSEY AMANDA JOHNSON DNP
Authorized Official Title: CEO
Authorized Official Phone: (912) 531-1019

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 1548108160, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

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 4 → 8 1 → 2 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 2 + 0 + 1 + 6 + 1 + 1 + 2 + 24 = 60

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

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

60 - 60 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1548108160.