JOHN W ZAMARRA MD INC
NPI 1154501898
Internal Medicine - Cardiovascular Disease in Fullerton, CA

NPI Status: Active since November 09, 2007

Contact Information

1001 E CHAPMAN AVE
FULLERTON, CA
ZIP 92831
Phone: (714) 871-5200
Fax: (714) 871-2877

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  • Organization
  • Internal Medicine
  • Cardiovascular Disease

About JOHN W ZAMARRA MD INC

This page provides the complete NPI Profile along with additional information for John W Zamarra Md Inc, an internist established in Fullerton, California operating as a Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1154501898 assigned on November 2007. The practitioner's primary taxonomy code is 207RC0000X with license number G37204 (CA). The provider is registered as an organization and their NPI record was last updated 18 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 John W Zamarra Md (President)

NPI
1154501898
Provider Name
JOHN W ZAMARRA MD INC
Entity Type
Organization
Location Address
1001 E CHAPMAN AVE FULLERTON, CA 92831
Location Phone
(714) 871-5200
Location Fax
(714) 871-2877
Mailing Address
1001 E CHAPMAN AVE FULLERTON, CA 92831
Mailing Phone
(714) 871-5200
Mailing Fax
(714) 871-2877
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-09-2007
Last Update Date
03-31-2008
Code Navigator

An internist like John W Zamarra 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
G37204
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.

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.

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.

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

JOHN W ZAMARRA MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(714) 871-5200

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
W21871MEDICARE PIN (08)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 1154501898, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 5 → 10 → 1 5 → 10 → 1 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 0 + 0 + 2 + 8 + 1 + 8 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1154501898.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Internal Medicine
1001 E CHAPMAN AVE, SUITE D
FULLERTON, CA 92831
Dentist
1001 E CHAPMAN AVE, SUITE A
FULLERTON, CA 92831
Internal Medicine
1001 E CHAPMAN AVE, SUITE D
FULLERTON, CA 92831
Internal Medicine (Cardiovascular Disease)
1001 E CHAPMAN AVE, SUITE-B
FULLERTON, CA 92831
Dentist (General Practice)
1001 E CHAPMAN AVE, SUITE A
FULLERTON, CA 92831

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154501898, enumerated as an "organization" on November 09, 2007.

The provider is located at 1001 E CHAPMAN AVE FULLERTON, CA 92831 and the phone number is (714) 871-5200.

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

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