JENNIFER JOHNSTON CCC-SLP
NPI 1760455273
Speech-Language Pathologist in Waltham, MA

NPI Status: Active since February 08, 2006

Contact Information

9 HOPE AVE
WALTHAM, MA
ZIP 02453
Phone: (781) 216-2212
Fax: (781) 647-8909

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  • Individual
  • Female
  • Speech-Language Pathologist

About JENNIFER JOHNSTON

This page provides the complete NPI Profile along with additional information for Jennifer Johnston, a provider established in Waltham, Massachusetts with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1760455273 assigned on February 2006. The practitioner's primary taxonomy code is 235Z00000X with license number 2373 (MA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1760455273
Provider Name
JENNIFER JOHNSTON CCC-SLP
Gender
Female
Entity Type
Individual
Location Address
9 HOPE AVE WALTHAM, MA 02453
Location Phone
(781) 216-2212
Location Fax
(781) 647-8909
Mailing Address
14 RIDGE ST ROSLINDALE, MA 02131
Mailing Phone
(617) 327-7701
Is Sole Proprietor?
Yes
Enumeration Date
02-08-2006
Last Update Date
07-08-2007
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
2373
License State
MA
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.

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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 1760455273, 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
7
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 6 → 12 → 3 4 → 8 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 2 + 0 + 8 + 5 + 1 + 0 + 2 + 1 + 4 + 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 1760455273.

Other Providers at the Same Location


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

Pharmacist
9 HOPE AVE, EATON APOTHECARY
WALTHAM, MA 02453
Family Medicine
9 HOPE AVE, WALTHAM URGENT CARE CENTER
WALTHAM, MA 02453
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Psychologist
9 HOPE AVE
WALTHAM, MA 02453
Family Medicine (Geriatric Medicine)
9 HOPE AVE
WALTHAM, MA 02453
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Psychologist (Clinical Child & Adolescent)
9 HOPE AVE
WALTHAM, MA 02453
Audiologist
9 HOPE AVE
WALTHAM, MA 02453
Occupational Therapist (Ergonomics)
9 HOPE AVE
WALTHAM, MA 02453
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Audiologist
9 HOPE AVE
WALTHAM, MA 02453
Emergency Medicine
9 HOPE AVE
WALTHAM, MA 02453
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Audiologist
9 HOPE AVE
WALTHAM, MA 02453
Psychiatry & Neurology (Psychiatry)
9 HOPE AVE, SUITE 500
WALTHAM, MA 02453
Internal Medicine
9 HOPE AVE
WALTHAM, MA 02453
Emergency Medicine
9 HOPE AVE, WALTHAM URGENT CARE CENTER
WALTHAM, MA 02453
Internal Medicine (Addiction Medicine)
9 HOPE AVE
WALTHAM, MA 02453
Physical Therapist
9 HOPE AVE
WALTHAM, MA 02453

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1760455273, enumerated as an "individual" on February 08, 2006.

The provider is located at 9 HOPE AVE WALTHAM, MA 02453 and the phone number is (781) 216-2212.

Speech-Language Pathologist with taxonomy code 235Z00000X.