LA HEART AND VASCULAR CENTER PC
NPI 1639015159
Internal Medicine - Cardiovascular Disease in Downey, CA

NPI Status: Active since April 27, 2026

Contact Information

8357 FLORENCE AVE
DOWNEY, CA
ZIP 90240
Phone: (323) 770-9607
Fax: (747) 777-4110

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  • Organization
  • Internal Medicine
  • Cardiovascular Disease

About LA HEART AND VASCULAR CENTER PC

This page provides the complete NPI Profile along with additional information for La Heart And Vascular Center Pc, an internist established in Downey, California operating as a Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1639015159 assigned on April 2026. The practitioner's primary taxonomy code is 207RC0000X. The provider is registered as an organization and their NPI record was last updated April 2026. La Heart And Vascular Center Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Rudy Rezzadeh Md (President)

NPI
1639015159
Provider Name
LA HEART AND VASCULAR CENTER PC
Entity Type
Organization
Location Address
8357 FLORENCE AVE DOWNEY, CA 90240
Location Phone
(323) 770-9607
Location Fax
(747) 777-4110
Mailing Address
6720 VALLEY CIRCLE BLVD WEST HILLS, CA 91307
Mailing Phone
(323) 770-9607
Mailing Fax
(747) 777-4110
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-27-2026
Last Update Date
04-27-2026
Code Navigator

An internist like La Heart And Vascular Center Pc 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.

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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
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.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

RUDY REZZADEH MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(310) 970-4101

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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 1639015159, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 3 → 6 0 → 0 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 0 + 1 + 1 + 0 + 1 + 1 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1639015159.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine
8357 FLORENCE AVE
DOWNEY, CA 90240
Registered Nurse
8357 FLORENCE AVE
DOWNEY, CA 90240

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639015159, enumerated as an "organization" on April 27, 2026.

The provider is located at 8357 FLORENCE AVE DOWNEY, CA 90240 and the phone number is (323) 770-9607.

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