DR. HERMAN GRISHAVER M.D.
NPI 1295993640
Psychiatry & Neurology - Neurology in Warren, PA

NPI Status: Active since May 31, 2008

Contact Information

12 CRESCENT PARK
WARREN, PA
ZIP 16365
Phone: (814) 723-1961
Fax: (814) 723-6543

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About HERMAN GRISHAVER

This page provides the complete NPI Profile along with additional information for Herman Grishaver, a provider established in Warren, Pennsylvania with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1295993640 assigned on May 2008. The practitioner's primary taxonomy code is 2084N0400X with license number MD049718L (PA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1295993640
Provider Name
DR. HERMAN GRISHAVER M.D.
Gender
Male
Entity Type
Individual
Location Address
12 CRESCENT PARK WARREN, PA 16365
Location Phone
(814) 723-1961
Location Fax
(814) 723-6543
Mailing Address
12 CRESCENT PARK WARREN, PA 16365
Mailing Phone
(814) 723-1961
Mailing Fax
(814) 723-6543
Is Sole Proprietor?
Yes
Enumeration Date
05-31-2008
Last Update Date
05-31-2008
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
MD049718L
License State
PA
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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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 1295993640, we treat the final digit (0) 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 0).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 9 → 18 → 9 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 8 + 9 + 6 + 6 + 8 + 24 = 80

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

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

80 - 80 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1295993640.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295993640, enumerated as an "individual" on May 31, 2008.

The provider is located at 12 CRESCENT PARK WARREN, PA 16365 and the phone number is (814) 723-1961.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.