MRS. KAREN A ESSA REG. ELECTROLOGIST
NPI 1881354884
Dermatology - MOHS-Micrographic Surgery in Easthampton, MA

NPI Status: Active since December 19, 2021

Contact Information

123 UNION ST STE 101
EASTHAMPTON, MA
ZIP 01027
Phone: (413) 204-5813

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  • Individual
  • Female
  • Dermatology
  • MOHS-Micrographic Surgery

About KAREN ESSA

This page provides the complete NPI Profile along with additional information for Karen Essa, a provider established in Easthampton, Massachusetts with a medical specialization in Dermatology, focusing in mohs-micrographic surgery . The healthcare provider is registered in the NPI registry with number 1881354884 assigned on December 2021. The practitioner's primary taxonomy code is 207ND0101X with license number 842 (MA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1881354884
Provider Name
MRS. KAREN A ESSA REG. ELECTROLOGIST
Gender
Female
Entity Type
Individual
Location Address
123 UNION ST STE 101 EASTHAMPTON, MA 01027
Location Phone
(413) 204-5813
Mailing Address
123 UNION ST STE 101 EASTHAMPTON, MA 01027
Mailing Phone
(413) 204-5813
Is Sole Proprietor?
Yes
Enumeration Date
12-19-2021
Last Update Date
12-19-2021
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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

Dermatology MOHS-Micrographic Surgery

Taxonomy Code
207ND0101X
Type
Allopathic & Osteopathic Physicians
License No.
842
License State
MA
Taxonomy Description
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

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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 1881354884, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 8 → 16 → 7 3 → 6 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 6 + 5 + 8 + 8 + 1 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881354884.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Social Worker (Clinical)
123 UNION ST STE 101
EASTHAMPTON, MA 01027
Counselor (Mental Health)
123 UNION ST STE 101
EASTHAMPTON, MA 01027
Counselor (Mental Health)
123 UNION ST STE 101
EASTHAMPTON, MA 01027
Social Worker (Clinical)
123 UNION ST STE 101
EASTHAMPTON, MA 01027
Counselor (Mental Health)
123 UNION ST STE 101
EASTHAMPTON, MA 01027

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881354884, enumerated as an "individual" on December 19, 2021.

The provider is located at 123 UNION ST STE 101 EASTHAMPTON, MA 01027 and the phone number is (413) 204-5813.

Dermatology with taxonomy code 207ND0101X and a focus in MOHS-Micrographic Surgery.