DR. KENNETH ROBERT MALKES MD
NPI 1255458121
Internal Medicine - Adolescent Medicine in Los Angeles, CA

NPI Status: Active since March 23, 2007

Contact Information

ARTHUR ASHE UCLA STUDENT HEALTH WELLNESS CTR
221 WESTWOOD PLAZA
LOS ANGELES, CA
ZIP 90095
Phone: (310) 794-5691

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  • Individual
  • Male
  • Internal Medicine
  • Adolescent Medicine

About KENNETH MALKES

This page provides the complete NPI Profile along with additional information for Kenneth Malkes, an internist established in Los Angeles, California with a medical specialization in Internal Medicine, focusing in adolescent medicine . The healthcare provider is registered in the NPI registry with number 1255458121 assigned on March 2007. The practitioner's primary taxonomy code is 207RA0000X with license number G42555 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1255458121
Provider Name
DR. KENNETH ROBERT MALKES MD
Gender
Male
Entity Type
Individual
Location Address
ARTHUR ASHE UCLA STUDENT HEALTH WELLNESS CTR 221 WESTWOOD PLAZA LOS ANGELES, CA 90095
Location Phone
(310) 794-5691
Mailing Address
ARTHUR ASHE UCLA STUDENT HEALTH WELLNESS CTR 221 WESTWOOD PLAZA LOS ANGELES, CA 90095
Mailing Phone
(310) 794-5691
Is Sole Proprietor?
No
Enumeration Date
03-23-2007
Last Update Date
09-11-2025
Code Navigator

An internist like Kenneth Malkes is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine Adolescent Medicine

Taxonomy Code
207RA0000X
Type
Allopathic & Osteopathic Physicians
License No.
G42555
License State
CA
Taxonomy Description
An internist who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

G42555 (CA)

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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 1255458121, 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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
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 5 → 10 → 1 4 → 8 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 8 + 5 + 1 + 6 + 1 + 4 + 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 1255458121.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255458121, enumerated as an "individual" on March 23, 2007.

The provider is located at ARTHUR ASHE UCLA STUDENT HEALTH WELLNESS CTR 221 WESTWOOD PLAZA LOS ANGELES, CA 90095 and the phone number is (310) 794-5691.

Internal Medicine with taxonomy code 207RA0000X and a focus in Adolescent Medicine.