KARA MERSKI
NPI 1154269074
Clinical Nurse Specialist in San Francisco, CA

NPI Status: Active since March 23, 2026

Contact Information

1825 4TH ST
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-3000

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  • Individual
  • Female
  • Clinical Nurse Specialist

About KARA MERSKI

This page provides the complete NPI Profile along with additional information for Kara Merski, a provider established in San Francisco, California with a medical specialization in Clinical Nurse Specialist. The healthcare provider is registered in the NPI registry with number 1154269074 assigned on March 2026. The practitioner's primary taxonomy code is 364S00000X with license number 5142 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1154269074
Provider Name
KARA MERSKI
Gender
Female
Entity Type
Individual
Location Address
1825 4TH ST SAN FRANCISCO, CA 94143
Location Phone
(415) 353-3000
Mailing Address
66 SHELL RD MILL VALLEY, CA 94941
Mailing Phone
(412) 244-0050
Is Sole Proprietor?
No
Enumeration Date
03-23-2026
Last Update Date
03-23-2026
Code Navigator

A Clinical Nurse Specialist (CNS) like Kara Merski is a type of advanced practice registered nurse (APRN) that provides direct patient care in various nursing specialties, including pediatrics or psychiatric-mental health. CNSs collaborate with other nurses and medical professionals to improve patient care quality. CNSs are often positioned in leadership roles where they may provide education and mentorship to other nursing personnel. Additionally, CNSs may also conduct research and advocate for certain healthcare policies.

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

Clinical Nurse Specialist

Taxonomy Code
364S00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
5142
License State
CA
Taxonomy Description
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.

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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 1154269074, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 5 → 10 → 1 2 → 4 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 4 + 6 + 1 + 8 + 0 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1154269074.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Dietitian, Registered (Nutrition, Renal)
1825 4TH ST, M5209
SAN FRANCISCO, CA 94143
Speech-Language Pathologist
1825 4TH ST, 5TH FLOOR
SAN FRANCISCO, CA 94143
Nurse Practitioner (Family)
1825 4TH ST, 4TH FLOOR, BOX 4065
SAN FRANCISCO, CA 94143
Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Allergy/Immunology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology
1825 4TH ST
SAN FRANCISCO, CA 94143
Internal Medicine (Hematology & Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1825 4TH ST
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
1825 4TH ST
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist (Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist (Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist
1825 4TH ST
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154269074, enumerated as an "individual" on March 23, 2026.

The provider is located at 1825 4TH ST SAN FRANCISCO, CA 94143 and the phone number is (415) 353-3000.

Clinical Nurse Specialist with taxonomy code 364S00000X.