T.H. CHOI, A MEDICAL CORPORATION
NPI 1295758639
Internal Medicine - Endocrinology, Diabetes & Metabolism in Los Alamitos, CA
NPI Status: Active since July 26, 2006
Contact Information
3772 KATELLA AVE STE 107
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 431-7877
Fax: (562) 431-7882
- Organization
- Internal Medicine
- Endocrinology, Diabetes & Metabolism
About T.H. CHOI, A MEDICAL CORPORATION
This page provides the complete NPI Profile along with additional information for T.h. Choi, A Medical Corporation, an internist established in Los Alamitos, California operating as a Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1295758639 assigned on July 2006. The practitioner's primary taxonomy code is 207RE0101X. The provider is registered as an organization and their NPI record was last updated one year ago. T.h. Choi, A Medical Corporation 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 Hoon-ji Helen Choi Md (Owner)
- NPI
- 1295758639
- Provider Name
- T.H. CHOI, A MEDICAL CORPORATION
- Entity Type
- Organization
- Location Address
- 3772 KATELLA AVE STE 107 LOS ALAMITOS, CA 90720
- Location Phone
- (562) 431-7877
- Location Fax
- (562) 431-7882
- Mailing Address
- 7862 SQUAW VALLEY WAY CERRITOS, CA 90703
- Mailing Phone
- (562) 881-3922
- Mailing Fax
- (562) 431-7882
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-26-2006
- Last Update Date
- 06-30-2025
- Code Navigator
An internist like T.h. Choi, A Medical Corporation 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 Endocrinology, Diabetes & Metabolism
- Taxonomy Code
- 207RE0101X
- Type
- Allopathic & Osteopathic Physicians
- License State
- CA
- Taxonomy Description
- An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207P00000X | Allopathic & Osteopathic Physicians | Emergency Medicine | (CA) |
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.
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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 1295758639, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1295758639, enumerated as an "organization" on July 26, 2006.
The provider is located at 3772 KATELLA AVE STE 107 LOS ALAMITOS, CA 90720 and the phone number is (562) 431-7877.
Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.
