NAJAH KHAN MD
NPI 1285297796
Internal Medicine in La Jolla, CA

NPI Status: Active since April 19, 2019

Contact Information

9898 GENESEE AVE
LA JOLLA, CA
ZIP 92037
Phone: (858) 824-1000
Fax: (713) 790-3023

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  • Individual
  • Female
  • Internal Medicine

About NAJAH KHAN

This page provides the complete NPI Profile along with additional information for Najah Khan, an internist established in La Jolla, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1285297796 assigned on April 2019. The practitioner's primary taxonomy code is 207R00000X with license number A186133 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1285297796
Provider Name
NAJAH KHAN MD
Gender
Female
Entity Type
Individual
Location Address
9898 GENESEE AVE LA JOLLA, CA 92037
Location Phone
(858) 824-1000
Location Fax
(713) 790-3023
Mailing Address
9898 GENESEE AVE LA JOLLA, CA 92037
Mailing Phone
(858) 824-1000
Mailing Fax
(713) 790-3023
Is Sole Proprietor?
No
Enumeration Date
04-19-2019
Last Update Date
09-21-2025
Code Navigator

An internist like Najah Khan 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
A186133
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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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 1285297796, 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 8 → 16 → 7 2 → 4 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 4 + 9 + 1 + 4 + 7 + 1 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1285297796.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Infectious Disease)
9898 GENESEE AVE, AMP-605
LA JOLLA, CA 92037
Physician Assistant
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Cardiovascular Disease)
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Pulmonary Disease)
9898 GENESEE AVE, 6TH FL.
LA JOLLA, CA 92037
Internal Medicine (Cardiovascular Disease)
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Critical Care Medicine)
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9898 GENESEE AVE
LA JOLLA, CA 92037
Physician Assistant (Medical)
9898 GENESEE AVE
LA JOLLA, CA 92037
Nurse Practitioner (Family)
9898 GENESEE AVE
LA JOLLA, CA 92037
Nurse Practitioner (Family)
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Interventional Cardiology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Physician Assistant
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Gastroenterology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Radiology (Diagnostic Radiology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Radiology (Vascular & Interventional Radiology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Radiology (Vascular & Interventional Radiology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Radiology (Vascular & Interventional Radiology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Family Medicine
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Cardiovascular Disease)
9898 GENESEE AVE
LA JOLLA, CA 92037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285297796, enumerated as an "individual" on April 19, 2019.

The provider is located at 9898 GENESEE AVE LA JOLLA, CA 92037 and the phone number is (858) 824-1000.

Internal Medicine with taxonomy code 207R00000X.