STEPHEN CASTRO DPT
NPI 1871123174
Physical Therapist - Orthopedic in Oceanside, CA

NPI Status: Active since January 25, 2020

Contact Information

3861 MISSION AVE STE B25
OCEANSIDE, CA
ZIP 92058
Phone: (760) 655-1322

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  • Individual
  • Male
  • Physical Therapist
  • Orthopedic

About STEPHEN CASTRO

This page provides the complete NPI Profile along with additional information for Stephen Castro, a provider established in Oceanside, California with a medical specialization in Physical Therapist, focusing in orthopedic . The healthcare provider is registered in the NPI registry with number 1871123174 assigned on January 2020. The practitioner's primary taxonomy code is 2251X0800X with license number PT297580 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1871123174
Provider Name
STEPHEN CASTRO DPT
Gender
Male
Entity Type
Individual
Location Address
3861 MISSION AVE STE B25 OCEANSIDE, CA 92058
Location Phone
(760) 655-1322
Mailing Address
3916 SHENANDOAH DR OCEANSIDE, CA 92056
Mailing Phone
(760) 889-6791
Is Sole Proprietor?
No
Enumeration Date
01-25-2020
Last Update Date
01-25-2020
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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

Physical Therapist Orthopedic

Taxonomy Code
2251X0800X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
PT297580
License State
CA
Taxonomy Description
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.

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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 1871123174, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 1 → 2 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 2 + 2 + 6 + 1 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1871123174.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Physical Therapist
3861 MISSION AVE STE B25
OCEANSIDE, CA 92058
Physical Therapy Assistant
3861 MISSION AVE STE B25
OCEANSIDE, CA 92058
Massage Therapist
3861 MISSION AVE STE B25
OCEANSIDE, CA 92058
Physical Therapy Assistant
3861 MISSION AVE STE B25
OCEANSIDE, CA 92058

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871123174, enumerated as an "individual" on January 25, 2020.

The provider is located at 3861 MISSION AVE STE B25 OCEANSIDE, CA 92058 and the phone number is (760) 655-1322.

Physical Therapist with taxonomy code 2251X0800X and a focus in Orthopedic.