TOMMY H. TOMIZAWA, MD, INC
NPI 1598830085
Internal Medicine in Los Angeles, CA

NPI Status: Active since November 21, 2006

Contact Information

8635 W 3RD ST
#880W
LOS ANGELES, CA
ZIP 90048
Phone: (310) 657-9356
Fax: (310) 657-9379

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  • Organization
  • Internal Medicine

About TOMMY H. TOMIZAWA, MD, INC

This page provides the complete NPI Profile along with additional information for Tommy H. Tomizawa, Md, Inc, an internist established in Los Angeles, California operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1598830085 assigned on November 2006. The practitioner's primary taxonomy code is 207R00000X with license number A64986 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Tommy H. Tomizawa M.d. (President)

NPI
1598830085
Provider Name
TOMMY H. TOMIZAWA, MD, INC
Entity Type
Organization
Location Address
8635 W 3RD ST #880W LOS ANGELES, CA 90048
Location Phone
(310) 657-9356
Location Fax
(310) 657-9379
Mailing Address
PO BOX 7224 BEVERLY HILLS, CA 90212
Mailing Phone
(310) 657-9356
Mailing Fax
(310) 657-9379
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-21-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Tommy H. Tomizawa, Md, Inc 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.
A64986
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

TOMMY H. TOMIZAWA M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(310) 657-9356

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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 1598830085, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 8 → 16 → 7 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 6 + 3 + 0 + 0 + 1 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1598830085.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, STE# 1050 W
LOS ANGELES, CA 90048
Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, STE# 1050W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST, STE# 795W
LOS ANGELES, CA 90048
Internal Medicine (Nephrology)
8635 W 3RD ST, STE# 865W
LOS ANGELES, CA 90048
Obstetrics & Gynecology (Gynecology)
8635 W 3RD ST, SUITE 680 WEST
LOS ANGELES, CA 90048
Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, SUITE 355W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Internal Medicine (Nephrology)
8635 W 3RD ST, STE# 695W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1W
LOS ANGELES, CA 90048
Internal Medicine (Nephrology)
8635 W 3RD ST, STE#485W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST
LOS ANGELES, CA 90048
Internal Medicine (Gastroenterology)
8635 W 3RD ST, SUITE 960-W
LOS ANGELES, CA 90048
Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, SUITE 1050W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 460W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, 765W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Internal Medicine
8635 W 3RD ST, SUITE 790W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Occupational Therapist
8635 W 3RD ST, SUITE # 465W
LOS ANGELES, CA 90048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598830085, enumerated as an "organization" on November 21, 2006.

The provider is located at 8635 W 3RD ST #880W LOS ANGELES, CA 90048 and the phone number is (310) 657-9356.

Internal Medicine with taxonomy code 207R00000X.