Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GLADYS L HERNANDEZ MD
NPI 1619555661
Psychiatry & Neurology - Neurology in West Palm Beach, FL

Active since March 31, 2021
4631 N CONGRESS AVE STE 200, WEST PALM BEACH, FL 33407(561) 845-0500(561) 296-1101 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 14, 2026, Mar 31, 2021 (2 updates tracked since 2021).

  • Individual
  • Female
  • Psychiatry & Neurology
  • Neurology

About GLADYS HERNANDEZ

This page provides the complete NPI Profile along with additional information for Gladys Hernandez, a provider established in West Palm Beach, Florida with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1619555661 assigned on March 2021. The practitioner's primary taxonomy code is 2084N0400X with license number ME179977 (FL). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1619555661
Provider Name
GLADYS L HERNANDEZ MD
Gender
Female
Entity Type
Individual
Location Address
4631 N CONGRESS AVE STE 200 WEST PALM BEACH, FL 33407
Location Phone
(561) 845-0500
Location Fax
(561) 296-1101
Mailing Address
3955 DESIGN CENTER DR APT 702 PALM BEACH GARDENS, FL 33410
Mailing Phone
(540) 525-8762
Is Sole Proprietor?
No
Enumeration Date
03-31-2021
Last Update Date
07-14-2026
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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.
ME179977
License State
FL
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 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 1619555661, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
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 1 → 2 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 0 + 5 + 1 + 0 + 6 + 1 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1619555661.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Neurology)
4631 N CONGRESS AVE STE 200
WEST PALM BEACH, FL 33407
Psychiatry & Neurology (Neuromuscular Medicine)
4631 N CONGRESS AVE STE 200
WEST PALM BEACH, FL 33407
Psychiatry & Neurology (Neurology)
4631 N CONGRESS AVE STE 200
WEST PALM BEACH, FL 33407
Nurse Practitioner
4631 N CONGRESS AVE STE 200
WEST PALM BEACH, FL 33407

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619555661, enumerated as an "individual" on March 31, 2021.

The provider is located at 4631 N CONGRESS AVE STE 200 WEST PALM BEACH, FL 33407 and the phone number is (561) 845-0500.

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