TOBY LOEWENSTEIN MS
NPI 1891434767
Speech-Language Pathologist in Waltham, MA

NPI Status: Active since May 31, 2022

Contact Information

9 HOPE AVE
WALTHAM, MA
ZIP 02453
Phone: (781) 216-2235

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  • Individual
  • Female
  • Speech-Language Pathologist

About TOBY LOEWENSTEIN

This page provides the complete NPI Profile along with additional information for Toby Loewenstein, 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 1891434767 assigned on May 2022. The practitioner's primary taxonomy code is 235Z00000X. The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1891434767
Provider Name
TOBY LOEWENSTEIN MS
Gender
Female
Entity Type
Individual
Location Address
9 HOPE AVE WALTHAM, MA 02453
Location Phone
(781) 216-2235
Mailing Address
9 HOPE AVE WALTHAM, MA 02453
Mailing Phone
(781) 216-2235
Is Sole Proprietor?
No
Enumeration Date
05-31-2022
Last Update Date
05-31-2022
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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
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 1891434767, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
7
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 9 → 18 → 9 4 → 8 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 8 + 3 + 8 + 7 + 1 + 2 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1891434767.

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
Speech-Language Pathologist
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

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891434767, enumerated as an "individual" on May 31, 2022.

The provider is located at 9 HOPE AVE WALTHAM, MA 02453 and the phone number is (781) 216-2235.

Speech-Language Pathologist with taxonomy code 235Z00000X.