Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. REBECCA J LEONARD PH.D.
NPI 1336124858
Speech-Language Pathologist in Sacramento, CA

Active since December 07, 2005
2521 STOCKTON BLVD, SACRAMENTO, CA 95817(916) 734-3729(916) 456-7509 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Speech-Language Pathologist

About REBECCA LEONARD

This page provides the complete NPI Profile along with additional information for Rebecca Leonard, a provider established in Sacramento, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1336124858 assigned on December 2005. The practitioner's primary taxonomy code is 235Z00000X with license number SP0036860 (CA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1336124858
Provider Name
DR. REBECCA J LEONARD PH.D.
Gender
Female
Entity Type
Individual
Location Address
2521 STOCKTON BLVD SACRAMENTO, CA 95817
Location Phone
(916) 734-3729
Location Fax
(916) 456-7509
Mailing Address
121 HARTNELL PL SACRAMENTO, CA 95825
Is Sole Proprietor?
No
Enumeration Date
12-07-2005
Last Update Date
07-13-2026
Code Navigator

Location Map

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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
SP0036860
License State
CA
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

Reviews for DR. REBECCA J LEONARD PH.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1336124858, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 3 → 6 1 → 2 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 2 + 2 + 8 + 8 + 1 + 0 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1336124858.

Other Providers at the Same Location


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

Pediatrics (Neonatal-Perinatal Medicine)
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Pediatrics (Pediatric Hematology-Oncology)
2521 STOCKTON BLVD, PEDS HEM/ONC CLINIC, 3RD FLOOR
SACRAMENTO, CA 95817
Pediatrics (Pediatric Hematology-Oncology)
2521 STOCKTON BLVD, PEDS HEM/ONC CLINIC, 3RD FLOOR
SACRAMENTO, CA 95817
Speech-Language Pathologist
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Pediatrics
2521 STOCKTON BLVD, GLASSROCK BLDG
SACRAMENTO, CA 95817
Pediatrics
2521 STOCKTON BLVD, 2ND FLOOR
SACRAMENTO, CA 95817
Otolaryngology
2521 STOCKTON BLVD, SUITE 7200
SACRAMENTO, CA 95817
Nurse Practitioner (Pediatrics)
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Medical Genetics (Clinical Genetics (M.D.))
2521 STOCKTON BLVD, SUITE 7200
SACRAMENTO, CA 95817
Registered Nurse (Pediatric Oncology)
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Audiologist
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Social Worker (Clinical)
2521 STOCKTON BLVD, SUITE 3200
SACRAMENTO, CA 95817
Dental Assistant
2521 STOCKTON BLVD, ROOM 5200
SACRAMENTO, CA 95817
Audiologist
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Registered Nurse (Case Management)
2521 STOCKTON BLVD, GLASSROCK #3300
SACRAMENTO, CA 95817
Social Worker
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Audiologist
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Registered Nurse (Plastic Surgery)
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Clinic/Center
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Otolaryngology
2521 STOCKTON BLVD, SUITE 7200
SACRAMENTO, CA 95817

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336124858, enumerated as an "individual" on December 07, 2005.

The provider is located at 2521 STOCKTON BLVD SACRAMENTO, CA 95817 and the phone number is (916) 734-3729.

Speech-Language Pathologist with taxonomy code 235Z00000X.