J C HENRY MD INC
NPI 1952727026
Specialist in Altadena, CA

NPI Status: Active since March 12, 2014

Contact Information

503 DEVONWOOD RD
ALTADENA, CA
ZIP 91001
Phone: (626) 398-1434

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NPPES record last updated: March 12, 2014. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Specialist

About J C HENRY MD INC

This page provides the complete NPI Profile along with additional information for J C Henry Md Inc, a provider established in Altadena, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1952727026 assigned on March 2014. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated 12 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Jean-claude Henry M.d. (Owner)

NPI
1952727026
Provider Name
J C HENRY MD INC
Entity Type
Organization
Location Address
503 DEVONWOOD RD ALTADENA, CA 91001
Location Phone
(626) 398-1434
Mailing Address
PO BOX 6667 ALTADENA, CA 91003
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-12-2014
Last Update Date
03-12-2014
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JEAN-CLAUDE HENRY M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(626) 398-1434

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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 1952727026, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
6
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 7 → 14 → 5 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 4 + 2 + 1 + 4 + 0 + 4 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1952727026.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952727026, enumerated as an "organization" on March 12, 2014.

The provider is located at 503 DEVONWOOD RD ALTADENA, CA 91001 and the phone number is (626) 398-1434.

Specialist with taxonomy code 174400000X.