DR. MARK S HORNG MD
NPI 1295739043
Internal Medicine in Los Angeles, CA

NPI Status: Active since June 09, 2005

Contact Information

11301 WILSHIRE BLVD
10-C-1
LOS ANGELES, CA
ZIP 90073
Phone: (310) 478-3711
Fax: (310) 268-4433

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  • Individual
  • Male
  • Internal Medicine

About MARK HORNG

This page provides the complete NPI Profile along with additional information for Mark Horng, an internist established in Los Angeles, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1295739043 assigned on June 2005. The practitioner's primary taxonomy code is 207R00000X with license number A90098 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1295739043
Provider Name
DR. MARK S HORNG MD
Gender
Male
Entity Type
Individual
Location Address
11301 WILSHIRE BLVD 10-C-1 LOS ANGELES, CA 90073
Location Phone
(310) 478-3711
Location Fax
(310) 268-4433
Mailing Address
11301 WILSHIRE BLVD 10-C-1 LOS ANGELES, CA 90073
Mailing Phone
(310) 478-3711
Mailing Fax
(310) 268-4433
Is Sole Proprietor?
No
Enumeration Date
06-09-2005
Last Update Date
07-08-2007
Code Navigator

An internist like Mark Horng 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.
A90098
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.

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

210303 (MA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
H57615MEDICARE UPIN (02)MA 
A33716MEDICARE ID-TYPE UNSPECIFIED (04)MA 
0159964MEDICARE ID-TYPE UNSPECIFIED (04)MA 

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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 1295739043, 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
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 9 → 18 → 9 7 → 14 → 5 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 4 + 3 + 1 + 8 + 0 + 8 + 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 1295739043.

Other Providers at the Same Location


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

Audiologist
11301 WILSHIRE BLVD, AUDIOLOGY - 126
LOS ANGELES, CA 90073
Physician Assistant (Medical)
11301 WILSHIRE BLVD, 111F
LOS ANGELES, CA 90073
Nurse Practitioner
11301 WILSHIRE BLVD, CARDIOLOGY, 111E
LOS ANGELES, CA 90073
Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)
11301 WILSHIRE BLVD, MAIL CODE 10H4
LOS ANGELES, CA 90073
Internal Medicine (Infectious Disease)
11301 WILSHIRE BLVD, DEPARTMENT OF MEDICINE
LOS ANGELES, CA 90073
Audiologist-Hearing Aid Fitter
11301 WILSHIRE BLVD, ROOM #0229
LOS ANGELES, CA 90073
Dermatology
11301 WILSHIRE BLVD
LOS ANGELES, CA 90073
Psychologist (Clinical)
11301 WILSHIRE BLVD, VA GLA PSYCHOLOGY - BLDG 206, ROOM 201
LOS ANGELES, CA 90073
Nurse Practitioner (Adult Health)
11301 WILSHIRE BLVD, MAIL CODE 117
LOS ANGELES, CA 90073
Nurse Anesthetist, Certified Registered
11301 WILSHIRE BLVD, BLDG 500
LOS ANGELES, CA 90073
Nurse Anesthetist, Certified Registered
11301 WILSHIRE BLVD, BUILDING 500
LOS ANGELES, CA 90073
Pharmacist
11301 WILSHIRE BLVD
LOS ANGELES, CA 90073
Psychiatry & Neurology (Psychiatry)
11301 WILSHIRE BLVD, BUILDING 210 ROOM 15
LOS ANGELES, CA 90073
Psychologist (Clinical)
11301 WILSHIRE BLVD, GLAVA HEALTH CENTER 116B
LOS ANGELES, CA 90073
Nurse Anesthetist, Certified Registered
11301 WILSHIRE BLVD, BUILDING 500
LOS ANGELES, CA 90073
Psychiatry & Neurology (Psychiatry)
11301 WILSHIRE BLVD, VAGLAHS DEP'T OF PSYCHIATRY & MENTAL HEALTH
LOS ANGELES, CA 90073
Nurse Practitioner (Acute Care)
11301 WILSHIRE BLVD
LOS ANGELES, CA 90073
Internal Medicine (Geriatric Medicine)
11301 WILSHIRE BLVD, VAMC--DOM 129
LOS ANGELES, CA 90073
Internal Medicine (Geriatric Medicine)
11301 WILSHIRE BLVD
LOS ANGELES, CA 90073
Pharmacist
11301 WILSHIRE BLVD
LOS ANGELES, CA 90073

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295739043, enumerated as an "individual" on June 09, 2005.

The provider is located at 11301 WILSHIRE BLVD 10-C-1 LOS ANGELES, CA 90073 and the phone number is (310) 478-3711.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.