MR. MARK JOSEPH SERRANO RN
NPI 1912891383
Registered Nurse - Psychiatric/Mental Health in Berkeley, CA

NPI Status: Active since June 09, 2025

Contact Information

2001 DWIGHT WAY
BERKELEY, CA
ZIP 94704
Phone: (510) 204-4452

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  • Individual
  • Male
  • Registered Nurse
  • Psychiatric/Mental Health

About MARK JOSEPH SERRANO

This page provides the complete NPI Profile along with additional information for Mark Joseph Serrano, a provider established in Berkeley, California with a medical specialization in Registered Nurse, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1912891383 assigned on June 2025. The practitioner's primary taxonomy code is 163WP0808X with license number 95349655 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1912891383
Provider Name
MR. MARK JOSEPH SERRANO RN
Gender
Male
Entity Type
Individual
Location Address
2001 DWIGHT WAY BERKELEY, CA 94704
Location Phone
(510) 204-4452
Mailing Address
118 VIA PESCARA AMERICAN CYN, CA 94503
Mailing Phone
(707) 205-7410
Is Sole Proprietor?
No
Enumeration Date
06-09-2025
Last Update Date
06-09-2025
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A registered nurse (RN) like Mark Joseph Serrano coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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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

Registered Nurse Psychiatric/Mental Health

Taxonomy Code
163WP0808X
Type
Nursing Service Providers
License No.
95349655
License State
CA

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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 1912891383, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 8 → 16 → 7 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 9 + 2 + 3 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1912891383.

Other Providers at the Same Location


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

Physical Medicine & Rehabilitation
2001 DWIGHT WAY
BERKELEY, CA 94704
Family Medicine
2001 DWIGHT WAY, RM 1363
BERKELEY, CA 94704
Nurse Practitioner (Adult Health)
2001 DWIGHT WAY, SUITE # 1363
BERKELEY, CA 94704
Internal Medicine (Hematology & Oncology)
2001 DWIGHT WAY
BERKELEY, CA 94704
Specialist
2001 DWIGHT WAY
BERKELEY, CA 94704
Specialist
2001 DWIGHT WAY
BERKELEY, CA 94704
Specialist
2001 DWIGHT WAY
BERKELEY, CA 94704
Social Worker (Clinical)
2001 DWIGHT WAY, BERKELEY PRIMARY CARE, ROOM 1363
BERKELEY, CA 94704
Internal Medicine
2001 DWIGHT WAY, BERKELEY PRIMARY CARE, ROOM 1363
BERKELEY, CA 94704
Social Worker (Clinical)
2001 DWIGHT WAY, BERKELEY PRIMARY CARE, ROOM 1363
BERKELEY, CA 94704
Family Medicine
2001 DWIGHT WAY, BERKELEY PRIMARY CARE, ROOM 1363
BERKELEY, CA 94704
Midwife
2001 DWIGHT WAY, BERKELEY PRIMARY CARE, ROOM 1363
BERKELEY, CA 94704
Internal Medicine (Hematology & Oncology)
2001 DWIGHT WAY
BERKELEY, CA 94704
Internal Medicine (Hematology & Oncology)
2001 DWIGHT WAY
BERKELEY, CA 94704
Obstetrics & Gynecology (Gynecologic Oncology)
2001 DWIGHT WAY, 2ND FLOOR
BERKELEY, CA 94704
Nurse Practitioner (Family)
2001 DWIGHT WAY, ROOM 2350
BERKELEY, CA 94704
Neuromusculoskeletal Medicine & OMM
2001 DWIGHT WAY, 2ND FLOOR - ROOM # 2350
BERKELEY, CA 94704
Internal Medicine
2001 DWIGHT WAY
BERKELEY, CA 94704
Psychiatry & Neurology (Psychiatry)
2001 DWIGHT WAY, SUITE 4190
BERKELEY, CA 94704
Clinical Neuropsychologist
2001 DWIGHT WAY, 5TH FLOOR NORTH
BERKELEY, CA 94704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912891383, enumerated as an "individual" on June 09, 2025.

The provider is located at 2001 DWIGHT WAY BERKELEY, CA 94704 and the phone number is (510) 204-4452.

Registered Nurse with taxonomy code 163WP0808X and a focus in Psychiatric/Mental Health.