RACHEL ELIZABETH MARSHALL MA, OTD, OTR/L
NPI 1871997445
Occupational Therapist - Pediatrics in San Diego, CA

NPI Status: Active since October 10, 2014

Contact Information

1550 HOTEL CIR N STE 120
SAN DIEGO, CA
ZIP 92108
Phone: (619) 647-6157

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  • Individual
  • Female
  • Occupational Therapist
  • Pediatrics

About RACHEL MARSHALL

This page provides the complete NPI Profile along with additional information for Rachel Marshall, a provider established in San Diego, California with a medical specialization in Occupational Therapist, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1871997445 assigned on October 2014. The practitioner's primary taxonomy code is 225XP0200X with license number OT14712 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1871997445
Provider Name
RACHEL ELIZABETH MARSHALL MA, OTD, OTR/L
Gender
Female
Entity Type
Individual
Location Address
1550 HOTEL CIR N STE 120 SAN DIEGO, CA 92108
Location Phone
(619) 647-6157
Mailing Address
7862 EL CAJON BLVD STE 200 LA MESA, CA 91942
Mailing Phone
(619) 647-6157
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
10-10-2014
Last Update Date
09-07-2025
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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

Occupational Therapist Pediatrics

Taxonomy Code
225XP0200X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
OT14712
License State
CA
Taxonomy Description
Occupational therapists provide services to infants, toddlers and children who have or who are at risk for developmental delays or disabilities. Occupational therapy is concerned with a child's ability to participate in daily life activities or occupations. Occupational therapists use their unique expertise to help children with social-emotional, physical, cognitive, communication, and adaptive behavioral challenges and to help children to be prepared for and perform important learning and school-related activities and to fulfill their rule as students. Through an understanding of the impact of disability, illness, and impairment on a child's development, plan, ability to learn new skills, and overall occupational performance, occupational therapists design interventions that promote healthy development, establish needed skills, and/or modify environments, all in support of participation in daily activities.

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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 1871997445, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 9 → 18 → 9 7 → 14 → 5 4 → 8

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 + 1 + 8 + 9 + 1 + 4 + 4 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1871997445.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Speech-Language Pathologist
1550 HOTEL CIR N STE 120
SAN DIEGO, CA 92108
Speech-Language Pathologist
1550 HOTEL CIR N STE 120
SAN DIEGO, CA 92108
Occupational Therapist
1550 HOTEL CIR N STE 120
SAN DIEGO, CA 92108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871997445, enumerated as an "individual" on October 10, 2014.

The provider is located at 1550 HOTEL CIR N STE 120 SAN DIEGO, CA 92108 and the phone number is (619) 647-6157.

Occupational Therapist with taxonomy code 225XP0200X and a focus in Pediatrics.