MR. LEONARD MAROTTA
NPI 1508201641
Specialist in San Francisco, CA

NPI Status: Active since May 02, 2013

Contact Information

1380 HOWARD ST
SAN FRANCISCO, CA
ZIP 94103
Phone: (510) 685-7933

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  • Individual
  • Male
  • Specialist

About LEONARD MAROTTA

This page provides the complete NPI Profile along with additional information for Leonard Marotta, a provider established in San Francisco, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1508201641 assigned on May 2013. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1508201641
Provider Name
MR. LEONARD MAROTTA
Gender
Male
Entity Type
Individual
Location Address
1380 HOWARD ST SAN FRANCISCO, CA 94103
Location Phone
(510) 685-7933
Mailing Address
1380 HOWARD ST SAN FRANCISCO, CA 94103
Mailing Phone
(510) 685-7933
Is Sole Proprietor?
No
Enumeration Date
05-02-2013
Last Update Date
05-02-2013
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1508201641, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 0 → 0 2 → 4 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 4 + 0 + 2 + 6 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1508201641.

Other Providers at the Same Location


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

Pharmacist (Psychiatric)
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Psychologist (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Pharmacist
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, COPC
SAN FRANCISCO, CA 94103
Registered Nurse
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Psychiatry & Neurology (Psychiatry)
1380 HOWARD ST, DEPT. OF MENTAL HEALTH
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Pharmacist
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Psychologist
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST, 4TH FLOOR
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508201641, enumerated as an "individual" on May 02, 2013.

The provider is located at 1380 HOWARD ST SAN FRANCISCO, CA 94103 and the phone number is (510) 685-7933.

Specialist with taxonomy code 174400000X.