DR. ROMAIN CAYROL MD
NPI 1659857753
Pathology - Neuropathology in Stanford, CA

NPI Status: Active since July 12, 2018

Contact Information

300 PASTEUR DR # R-241
STANFORD, CA
ZIP 94305
Phone: (650) 725-8383

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  • Individual
  • Male
  • Pathology
  • Neuropathology

About ROMAIN CAYROL

This page provides the complete NPI Profile along with additional information for Romain Cayrol, a provider established in Stanford, California with a medical specialization in Pathology, focusing in neuropathology . The healthcare provider is registered in the NPI registry with number 1659857753 assigned on July 2018. The practitioner's primary taxonomy code is 207ZN0500X with license number 156965 (CA). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1659857753
Provider Name
DR. ROMAIN CAYROL MD
Gender
Male
Entity Type
Individual
Location Address
300 PASTEUR DR # R-241 STANFORD, CA 94305
Location Phone
(650) 725-8383
Mailing Address
300 PASTEUR DR # R-241 STANFORD, CA 94305
Mailing Phone
(650) 725-8383
Is Sole Proprietor?
No
Enumeration Date
07-12-2018
Last Update Date
07-12-2018
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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.
156965
License State
CA
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 1659857753, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 8 → 16 → 7 7 → 14 → 5 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 6 + 5 + 1 + 4 + 7 + 1 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1659857753.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659857753, enumerated as an "individual" on July 12, 2018.

The provider is located at 300 PASTEUR DR # R-241 STANFORD, CA 94305 and the phone number is (650) 725-8383.

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