DR. DAVID FRANCIS GUERRIERI M.D.
NPI 1740247998
Emergency Medicine in Los Angeles, CA

NPI Status: Active since April 28, 2006

Contact Information

4060 E WHITTIER BLVD
LOS ANGELES, CA
ZIP 90023
Phone: (323) 268-5514

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  • Individual
  • Male
  • Emergency Medicine

About DAVID GUERRIERI

This page provides the complete NPI Profile along with additional information for David Guerrieri, a provider established in Los Angeles, California with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1740247998 assigned on April 2006. The practitioner's primary taxonomy code is 207P00000X with license number G34636 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1740247998
Provider Name
DR. DAVID FRANCIS GUERRIERI M.D.
Gender
Male
Entity Type
Individual
Location Address
4060 E WHITTIER BLVD LOS ANGELES, CA 90023
Location Phone
(323) 268-5514
Mailing Address
PO BOX 661765 ARCADIA, CA 91066
Mailing Phone
(626) 447-0296
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
04-28-2006
Last Update Date
12-26-2008
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
G34636
License State
CA
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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
00G346360MEDICAID (05)CA 
A46010MEDICARE UPIN (02) 
WG34636JMEDICARE PIN (08)CA 
00G346362MEDICARE PIN (08)CA 
AZ326ZMEDICARE PIN (08)CA 
HG34636IMEDICARE 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 1740247998, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
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 4 → 8 2 → 4 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 4 + 4 + 1 + 4 + 9 + 1 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1740247998.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Emergency Medicine
4060 E WHITTIER BLVD
LOS ANGELES, CA 90023
Emergency Medicine
4060 E WHITTIER BLVD
LOS ANGELES, CA 90023
Emergency Medicine
4060 E WHITTIER BLVD
LOS ANGELES, CA 90023
Emergency Medicine
4060 E WHITTIER BLVD
LOS ANGELES, CA 90023

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740247998, enumerated as an "individual" on April 28, 2006.

The provider is located at 4060 E WHITTIER BLVD LOS ANGELES, CA 90023 and the phone number is (323) 268-5514.

Emergency Medicine with taxonomy code 207P00000X.

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