COUNTY OF MARIN
NPI 1114704459
Preventive Medicine - Public Health & General Preventive Medicine in San Rafael, CA

NPI Status: Active since September 11, 2023

Contact Information

13 PETER BEHR DR
SAN RAFAEL, CA
ZIP 94903
Phone: (415) 473-6651
Fax: (415) 473-7505

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
Authorized Official
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Preventive Medicine
Public Health & General Preventive Medic...

About COUNTY OF MARIN

This page provides the complete NPI Profile along with additional information for County Of Marin, a provider established in San Rafael, California operating as a Preventive Medicine, focusing in public health & general preventive medicine . The healthcare provider is registered in the NPI registry with number 1114704459 assigned on September 2023. The practitioner's primary taxonomy code is 2083P0901X. The provider is registered as an organization and their NPI record was last updated April 2026. The authorized official of this NPI record is Lisa Warhuus (Assistant County Executive)

NPI: 1114704459
Provider Name: COUNTY OF MARIN
Entity Type: Organization
Location Address: 13 PETER BEHR DR SAN RAFAEL, CA 94903
Location Phone: (415) 473-6651
Location Fax: (415) 473-7505
Mailing Address: 20 N SAN PEDRO RD SAN RAFAEL, CA 94903
Mailing Phone: (415) 473-4163
Is Sole Proprietor?: No
Is Organization Subpart?: Yes
Enumeration Date: 09-11-2023
Last Update Date: 04-02-2026
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Location Map

Secondary Locations

16 Jeannette Prandi Way
San Rafael, CA 94903
(415) 499-6719

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: Preventive Medicine Public Health & General Preventive Medicine
Taxonomy Code: 2083P0901X
Type: Allopathic & Osteopathic Physicians
Taxonomy Description: Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

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)
1	251S00000X	Agencies	Community/Behavioral Health
2	261QP2400X	Ambulatory Health Care Facilities	Clinic/Center Prison Health

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: LISA WARHUUS
Authorized Official Title: ASSISTANT COUNTY EXECUTIVE
Authorized Official Phone: (415) 473-6196

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 1114704459, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 8

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 1 → 2 7 → 14 → 5 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 2 + 4 + 1 + 4 + 0 + 8 + 4 + 1 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1114704459.

Other Providers at the Same Location

The following 19 providers are registered at the same or a nearby location.

TINA-LISE CURTIS

Dentist (Dental Public Health)

13 PETER BEHR DR, MARIN COUNTY JAIL - DENTAL HEALTH
SAN RAFAEL, CA 94903

Marin County (415) 499-6651

APRIL MICHELLE GLISSON

Counselor