VILLARIN SURGICAL SERVICES PROFESSIONAL CORPORATION
NPI 1487521183
Surgery - Trauma Surgery in Northridge, CA

NPI Status: Active since October 20, 2025

Contact Information

18300 ROSCOE BLVD
NORTHRIDGE, CA
ZIP 91325
Phone: (818) 885-8500

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  • Organization
  • Surgery
  • Trauma Surgery

About VILLARIN SURGICAL SERVICES PROFESSIONAL CORPORATION

This page provides the complete NPI Profile along with additional information for Villarin Surgical Services Professional Corporation, a provider established in Northridge, California operating as a Surgery, focusing in trauma surgery . The healthcare provider is registered in the NPI registry with number 1487521183 assigned on October 2025. The practitioner's primary taxonomy code is 2086S0127X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Sigfredo Villarin Ayala Jr. Md (President / Ceo)

NPI
1487521183
Provider Name
VILLARIN SURGICAL SERVICES PROFESSIONAL CORPORATION
Entity Type
Organization
Location Address
18300 ROSCOE BLVD NORTHRIDGE, CA 91325
Location Phone
(818) 885-8500
Mailing Address
8605 SANTA MONICA BLVD # 124718 WEST HOLLYWOOD, CA 90069
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-20-2025
Last Update Date
10-20-2025
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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

Surgery Trauma Surgery

Taxonomy Code
2086S0127X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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

DR. SIGFREDO VILLARIN AYALA JR. MD

Authorized Official Title
PRESIDENT / CEO
Authorized Official Phone
(661) 505-5637

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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 1487521183, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
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 8 → 16 → 7 5 → 10 → 1 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 + 4 + 1 + 6 + 7 + 1 + 0 + 2 + 2 + 1 + 1 + 6 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1487521183.

Other Providers at the Same Location


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

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18300 ROSCOE BLVD
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Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
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18300 ROSCOE BLVD
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18300 ROSCOE BLVD
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Psychiatry & Neurology (Psychiatry)
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Anesthesiology
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Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
NORTHRIDGE, CA 91325
Anesthesiology
18300 ROSCOE BLVD
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487521183, enumerated as an "organization" on October 20, 2025.

The provider is located at 18300 ROSCOE BLVD NORTHRIDGE, CA 91325 and the phone number is (818) 885-8500.

Surgery with taxonomy code 2086S0127X and a focus in Trauma Surgery.