MRS. ROSEMARIE A HOLLANDSWORTH LHIS
NPI 1972760049
Hearing Instrument Specialist in Amesbury, MA

NPI Status: Active since May 16, 2008

Contact Information

110 HAVERHILL RD
SUITE 331
AMESBURY, MA
ZIP 01913
Phone: (978) 388-0734

Get Directions Write a Review

  • Individual
  • Female
  • Hearing Instrument Specialist

About ROSEMARIE HOLLANDSWORTH

This page provides the complete NPI Profile along with additional information for Rosemarie Hollandsworth, a provider established in Amesbury, Massachusetts with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1972760049 assigned on May 2008. The practitioner's primary taxonomy code is 237700000X with license number 163 (MA). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1972760049
Provider Name
MRS. ROSEMARIE A HOLLANDSWORTH LHIS
Gender
Female
Entity Type
Individual
Location Address
110 HAVERHILL RD SUITE 331 AMESBURY, MA 01913
Location Phone
(978) 388-0734
Mailing Address
110 HAVERHILL RD SUITE 331 AMESBURY, MA 01913
Mailing Phone
(978) 388-0734
Is Sole Proprietor?
No
Enumeration Date
05-16-2008
Last Update Date
10-01-2019
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

Hearing Instrument Specialist

Taxonomy Code
237700000X
Type
Speech, Language and Hearing Service Providers
License No.
163
License State
MA
Taxonomy Description
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

Reviews for MRS. ROSEMARIE A HOLLANDSWORTH LHIS

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 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 1972760049, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
9
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 7 → 14 → 5 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 4 + 6 + 0 + 0 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1972760049.

Other Providers at the Same Location


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

Social Worker (Clinical)
110 HAVERHILL RD, STE 359
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Occupational Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Social Worker (Clinical)
110 HAVERHILL RD, SUITE 357
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Occupational Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Occupational Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913
Physical Therapist
110 HAVERHILL RD, SUITE 401
AMESBURY, MA 01913

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972760049, enumerated as an "individual" on May 16, 2008.

The provider is located at 110 HAVERHILL RD SUITE 331 AMESBURY, MA 01913 and the phone number is (978) 388-0734.

Hearing Instrument Specialist with taxonomy code 237700000X.