DR. W. NOAH KROMHOLZ M.D.
NPI 1558441089
Internal Medicine - Endocrinology, Diabetes & Metabolism in Lawrence, NY

NPI Status: Active since October 17, 2006

Contact Information

141 WASHINGTON AVE
LAWRENCE, NY
ZIP 11559
Phone: (516) 652-2328
Fax: (516) 345-1695

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  • Individual
  • Male
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About W. KROMHOLZ

This page provides the complete NPI Profile along with additional information for W. Kromholz, an internist established in Lawrence, New York with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1558441089 assigned on October 2006. The practitioner's primary taxonomy code is 207RE0101X with license number 118886 (NY). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1558441089
Provider Name
DR. W. NOAH KROMHOLZ M.D.
Gender
Male
Entity Type
Individual
Location Address
141 WASHINGTON AVE LAWRENCE, NY 11559
Location Phone
(516) 652-2328
Location Fax
(516) 345-1695
Mailing Address
141 WASHINGTON AVE LAWRENCE, NY 11559
Mailing Phone
(516) 652-2328
Mailing Fax
(516) 345-1695
Is Sole Proprietor?
Yes
Enumeration Date
10-17-2006
Last Update Date
10-04-2012
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An internist like W. Kromholz is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
118886
License State
NY
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

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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 1558441089, 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
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 5 → 10 → 1 4 → 8 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 8 + 4 + 2 + 0 + 1 + 6 + 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 1558441089.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor (Mental Health)
141 WASHINGTON AVE, C/O DR. ROTHBORT (SUITE 200)
LAWRENCE, NY 11559
Psychologist (Clinical)
141 WASHINGTON AVE, SUITE 200
LAWRENCE, NY 11559
Counselor (Mental Health)
141 WASHINGTON AVE, STE 200
LAWRENCE, NY 11559
Internal Medicine (Gastroenterology)
141 WASHINGTON AVE
LAWRENCE, NY 11559
Internal Medicine (Gastroenterology)
141 WASHINGTON AVE, SUITE 204
LAWRENCE, NY 11559
Psychologist (Clinical)
141 WASHINGTON AVE, #200
LAWRENCE, NY 11559

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558441089, enumerated as an "individual" on October 17, 2006.

The provider is located at 141 WASHINGTON AVE LAWRENCE, NY 11559 and the phone number is (516) 652-2328.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.