DR. ALLEN D. JOHNSON M.D.
NPI 1891754677
Internal Medicine - Cardiovascular Disease in La Jolla, CA

NPI Status: Active since March 21, 2006

Contact Information

10666 N TORREY PINES RD
LA JOLLA, CA
ZIP 92037
Phone: (858) 554-8836

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About ALLEN JOHNSON

This page provides the complete NPI Profile along with additional information for Allen Johnson, an internist established in La Jolla, California with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1891754677 assigned on March 2006. The practitioner's primary taxonomy code is 207RC0000X with license number C32373 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1891754677
Provider Name
DR. ALLEN D. JOHNSON M.D.
Gender
Male
Entity Type
Individual
Location Address
10666 N TORREY PINES RD LA JOLLA, CA 92037
Location Phone
(858) 554-8836
Mailing Address
FILE# 54433 LOS ANGELES, CA 90074
Is Sole Proprietor?
No
Enumeration Date
03-21-2006
Last Update Date
06-25-2009
Code Navigator

An internist like Allen Johnson 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
C32373
License State
CA
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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.

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
F239OTHER (01)CHAMPUS
00C323730JOTHER (01)CALOPTIMA
060016589OTHER (01)RAILROAD MEDICARE
WC32373FMEDICARE PIN (08) 
A34917MEDICARE UPIN (02)CA 
00C323730MEDICAID (05)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 1891754677, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 5 + 8 + 6 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1891754677.

Other Providers at the Same Location


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

Ophthalmology
10666 N TORREY PINES RD, SCMG DIVISION OF OPHTHALMOLOGY
LA JOLLA, CA 92037
Clinic/Center (Multi-Specialty)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Radiology (Diagnostic Radiology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Physician Assistant
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Pathology (Anatomic Pathology & Clinical Pathology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Physician Assistant
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine (Nephrology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine (Geriatric Medicine)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Nurse Practitioner
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Psychiatry & Neurology (Neurology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Nurse Practitioner
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Psychiatry & Neurology (Psychiatry)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Orthopaedic Surgery
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine (Hematology & Oncology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Emergency Medicine
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Internal Medicine (Nephrology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
Physician Assistant
10666 N TORREY PINES RD
LA JOLLA, CA 92037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891754677, enumerated as an "individual" on March 21, 2006.

The provider is located at 10666 N TORREY PINES RD LA JOLLA, CA 92037 and the phone number is (858) 554-8836.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

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