DR. STEVEN MATTHEW ERDE PH.D.,M.D.
NPI 1407901374
Pathology - Neuropathology in Scarsdale, NY

NPI Status: Active since January 23, 2007

Contact Information

272 MAMARONECK RD
SCARSDALE, NY
ZIP 10583
Phone: (914) 725-6090

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  • Individual
  • Male
  • Pathology
  • Neuropathology

About STEVEN ERDE

This page provides the complete NPI Profile along with additional information for Steven Erde, a provider established in Scarsdale, New York with a medical specialization in Pathology, focusing in neuropathology . The healthcare provider is registered in the NPI registry with number 1407901374 assigned on January 2007. The practitioner's primary taxonomy code is 207ZN0500X with license number 174730 (NY). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1407901374
Provider Name
DR. STEVEN MATTHEW ERDE PH.D.,M.D.
Gender
Male
Entity Type
Individual
Location Address
272 MAMARONECK RD SCARSDALE, NY 10583
Location Phone
(914) 725-6090
Mailing Address
272 MAMARONECK RD SCARSDALE, NY 10583
Mailing Phone
(914) 725-6090
Is Sole Proprietor?
No
Enumeration Date
01-23-2007
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

Pathology Neuropathology

Taxonomy Code
207ZN0500X
Type
Allopathic & Osteopathic Physicians
License No.
174730
License State
NY
Taxonomy Description
A neuropathologist is expert in the diagnosis of diseases of the nervous system and skeletal muscles and functions as a consultant primarily to neurologists and neurosurgeons. The neuropathologist is knowledgeable in the infirmities of humans as they affect the nervous and neuromuscular systems, be they degenerative, infectious, metabolic, immunologic, neoplastic, vascular or physical in nature.

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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 1407901374, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 0 → 0 9 → 18 → 9 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 8 + 0 + 2 + 3 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1407901374.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407901374, enumerated as an "individual" on January 23, 2007.

The provider is located at 272 MAMARONECK RD SCARSDALE, NY 10583 and the phone number is (914) 725-6090.

Pathology with taxonomy code 207ZN0500X and a focus in Neuropathology.