MR. WESLEY CHRISTOPHER RYAN M.D
NPI 1275845901
Psychiatry & Neurology - Addiction Psychiatry in Marina Del Rey, CA

NPI Status: Active since July 10, 2010

Contact Information

4519 ADMIRALTY WAY STE 202
MARINA DEL REY, CA
ZIP 90292
Phone: (424) 272-0774
Fax: (424) 291-8944

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Addiction Psychiatry

About WESLEY RYAN

This page provides the complete NPI Profile along with additional information for Wesley Ryan, a provider established in Marina Del Rey, California with a medical specialization in Psychiatry & Neurology, focusing in addiction psychiatry . The healthcare provider is registered in the NPI registry with number 1275845901 assigned on July 2010. The practitioner's primary taxonomy code is 2084P0802X with license number A118134 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1275845901
Provider Name
MR. WESLEY CHRISTOPHER RYAN M.D
Gender
Male
Entity Type
Individual
Location Address
4519 ADMIRALTY WAY STE 202 MARINA DEL REY, CA 90292
Location Phone
(424) 272-0774
Location Fax
(424) 291-8944
Mailing Address
4519 ADMIRALTY WAY STE 202 MARINA DEL REY, CA 90292
Mailing Phone
(424) 272-0774
Mailing Fax
(424) 291-8944
Is Sole Proprietor?
Yes
Enumeration Date
07-10-2010
Last Update Date
09-28-2021
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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

Psychiatry & Neurology Addiction Psychiatry

Taxonomy Code
2084P0802X
Type
Allopathic & Osteopathic Physicians
License No.
A118134
License State
CA
Taxonomy Description
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

A118134 (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 1275845901, 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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
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 7 → 14 → 5 8 → 16 → 7 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 6 + 4 + 1 + 0 + 9 + 0 + 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 1275845901.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Psychiatry & Neurology (Addiction Psychiatry)
4519 ADMIRALTY WAY STE 202
MARINA DEL REY, CA 90292

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275845901, enumerated as an "individual" on July 10, 2010.

The provider is located at 4519 ADMIRALTY WAY STE 202 MARINA DEL REY, CA 90292 and the phone number is (424) 272-0774.

Psychiatry & Neurology with taxonomy code 2084P0802X and a focus in Addiction Psychiatry.