LARRY A DRUM MD
NPI 1316018112
Internal Medicine in Los Alamitos, CA

NPI Status: Active since November 13, 2006

Contact Information

10861 CHERRY ST
200
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 795-6406
Fax: (562) 795-6409

Get Directions Write a Review

  • Individual
  • Male
  • Internal Medicine

About LARRY DRUM

This page provides the complete NPI Profile along with additional information for Larry Drum, an internist established in Los Alamitos, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1316018112 assigned on November 2006. The practitioner's primary taxonomy code is 207R00000X with license number G55755 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1316018112
Provider Name
LARRY A DRUM MD
Gender
Male
Entity Type
Individual
Location Address
10861 CHERRY ST 200 LOS ALAMITOS, CA 90720
Location Phone
(562) 795-6406
Location Fax
(562) 795-6409
Mailing Address
10861 CHERRY ST 200 LOS ALAMITOS, CA 90720
Mailing Phone
(562) 795-6406
Mailing Fax
(562) 795-6409
Is Sole Proprietor?
No
Enumeration Date
11-13-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Larry Drum 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.
G55755
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.

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
A53028MEDICARE UPIN (02) 

Reviews for LARRY A DRUM MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1316018112, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 0 + 1 + 1 + 6 + 1 + 2 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1316018112.

Other Providers at the Same Location


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

Family Medicine (Adult Medicine)
10861 CHERRY ST, SUITE 106
LOS ALAMITOS, CA 90720
Ophthalmology
10861 CHERRY ST, #204
LOS ALAMITOS, CA 90720
Optometrist
10861 CHERRY ST, STE 204
LOS ALAMITOS, CA 90720
Ophthalmology
10861 CHERRY ST, STE 204
LOS ALAMITOS, CA 90720
Pediatrics
10861 CHERRY ST, SUITE 105
LOS ALAMITOS, CA 90720
Obstetrics & Gynecology
10861 CHERRY ST, SUITE 109
LOS ALAMITOS, CA 90720
Obstetrics & Gynecology
10861 CHERRY ST, SUITE 109
LOS ALAMITOS, CA 90720
Pediatrics
10861 CHERRY ST, #305
LOS ALAMITOS, CA 90720
Internal Medicine (Gastroenterology)
10861 CHERRY ST, SUITE 302
LOS ALAMITOS, CA 90720
Obstetrics & Gynecology (Gynecology)
10861 CHERRY ST, SUITE 300
LOS ALAMITOS, CA 90720
Dentist (General Practice)
10861 CHERRY ST, 304
LOS ALAMITOS, CA 90720
Internal Medicine
10861 CHERRY ST, 200
LOS ALAMITOS, CA 90720
Internal Medicine
10861 CHERRY ST, 200
LOS ALAMITOS, CA 90720
Specialist
10861 CHERRY ST, SUITE 204
LOS ALAMITOS, CA 90720
Specialist
10861 CHERRY ST, SUITE 206
LOS ALAMITOS, CA 90720
Specialist
10861 CHERRY ST, SUITE 107
LOS ALAMITOS, CA 90720
Internal Medicine
10861 CHERRY ST, SUITE 308
LOS ALAMITOS, CA 90720
Otolaryngology
10861 CHERRY ST, SUITE 303
LOS ALAMITOS, CA 90720
Non-Pharmacy Dispensing Site
10861 CHERRY ST, SUITE 308
LOS ALAMITOS, CA 90720
Dentist (Endodontics)
10861 CHERRY ST, STE. 304
LOS ALAMITOS, CA 90720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316018112, enumerated as an "individual" on November 13, 2006.

The provider is located at 10861 CHERRY ST 200 LOS ALAMITOS, CA 90720 and the phone number is (562) 795-6406.

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.