ALTAMED
NPI 1871030718
Internal Medicine - Geriatric Medicine in Los Angeles, CA
NPI Status: Active since January 31, 2017
Contact Information
5425 POMONA BLVD
LOS ANGELES, CA
ZIP 90022
Phone: (323) 725-8751
- Organization
- Internal Medicine
- Geriatric Medicine
- CLIA Number: 05D0990695
- CLIA Cert. Type: Federally Qualified Health Center
- CLIA Exp. Date: 08-28-2027
About ALTAMED
This page provides the complete NPI Profile along with additional information for Altamed, an internist established in Los Angeles, California operating as a Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1871030718 assigned on January 2017. The practitioner's primary taxonomy code is 207RG0300X with license number A34065 (CA). The provider is registered as an organization and their NPI record was last updated 9 years ago. Altamed 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 Dr. Alan Arnold Silver Md (Physician)
- NPI
- 1871030718
- Provider Name
- ALTAMED
- Entity Type
- Organization
- Location Address
- 5425 POMONA BLVD LOS ANGELES, CA 90022
- Location Phone
- (323) 725-8751
- Mailing Address
- 5425 POMONA BLVD LOS ANGELES, CA 90022
- Mailing Phone
- (323) 725-8751
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 01-31-2017
- Last Update Date
- 01-31-2017
- Code Navigator
An internist like Altamed 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 Geriatric Medicine
- Taxonomy Code
- 207RG0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A34065
- License State
- CA
- Taxonomy Description
- An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
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.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 05D0990695
- Facility Type
- Federally Qualified Health Center
- Certificate Effective Date
- August 29, 2025
- Certificate Expiration Date
- August 28, 2027
- Laboratory Director
- ESIQUIO G. CASILLAS MD
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Altamed to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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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 1871030718, 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.
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 52 is 60. 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.
LOS ANGELES, CA 90022
LOS ANGELES, CA 90022
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1871030718, enumerated as an "organization" on January 31, 2017.
The provider is located at 5425 POMONA BLVD LOS ANGELES, CA 90022 and the phone number is (323) 725-8751.
Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.
