FADY A YOUSSEF MD INC
NPI 1295418259
Internal Medicine - Pulmonary Disease in Long Beach, CA
NPI Status: Active since August 08, 2023
Contact Information
1050 LINDEN AVE
NEUROSCIENCE 2ND FLOOR
LONG BEACH, CA
ZIP 90813
Phone: (562) 491-9270
Fax: (562) 491-7985
- Organization
- Internal Medicine
- Pulmonary Disease
About FADY A YOUSSEF MD INC
This page provides the complete NPI Profile along with additional information for Fady A Youssef Md Inc, an internist established in Long Beach, California operating as a Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1295418259 assigned on August 2023. The practitioner's primary taxonomy code is 207RP1001X. The provider is registered as an organization and their NPI record was last updated December 2025. 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 Fady Youssef Md (Ceo)
- NPI
- 1295418259
- Provider Name
- FADY A YOUSSEF MD INC
- Entity Type
- Organization
- Location Address
- 1050 LINDEN AVE NEUROSCIENCE 2ND FLOOR LONG BEACH, CA 90813
- Location Phone
- (562) 491-9270
- Location Fax
- (562) 491-7985
- Mailing Address
- 1590 ADAMS AVE UNIT 1853 COSTA MESA, CA 92628
- Mailing Fax
- (562) 491-7985
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-08-2023
- Last Update Date
- 12-17-2025
- Code Navigator
An internist like Fady A Youssef 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
Secondary Locations
- 5750 Downey Ave Ste 100
Lakewood, CA 90712
(562) 630-3105
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 Pulmonary Disease
- Taxonomy Code
- 207RP1001X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
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.
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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 1295418259, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
LONG BEACH, CA 90813
LONG BEACH, CA 90813
LONG BEACH, CA 90813
LONG BEACH, CA 90813
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1295418259, enumerated as an "organization" on August 08, 2023.
The provider is located at 1050 LINDEN AVE NEUROSCIENCE 2ND FLOOR LONG BEACH, CA 90813 and the phone number is (562) 491-9270.
Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.
