CALIFORNIA MEDICAL CLINIC OF INLAND EMPIRE INC.
NPI 1003774209
General Practice in Ontario, CA
NPI Status: Active since January 14, 2026
Contact Information
402 E HOLT BLVD
ONTARIO, CA
ZIP 91761
Phone: (909) 467-1605
Fax: (909) 467-1608
- Organization
- General Practice
About CALIFORNIA MEDICAL CLINIC OF INLAND EMPIRE INC.
This page provides the complete NPI Profile along with additional information for California Medical Clinic Of Inland Empire Inc., a primary care provider established in Ontario, California operating as a General Practice. The healthcare provider is registered in the NPI registry with number 1003774209 assigned on January 2026. The practitioner's primary taxonomy code is 208D00000X. The provider is registered as an organization and their NPI record was last updated January 2026. California Medical Clinic Of Inland Empire Inc. 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. David Lozano Md (Medical Director)
- NPI
- 1003774209
- Provider Name
- CALIFORNIA MEDICAL CLINIC OF INLAND EMPIRE INC.
- Entity Type
- Organization
- Location Address
- 402 E HOLT BLVD ONTARIO, CA 91761
- Location Phone
- (909) 467-1605
- Location Fax
- (909) 467-1608
- Mailing Address
- 402 E HOLT BLVD ONTARIO, CA 91761
- Mailing Phone
- (909) 467-1605
- Mailing Fax
- (909) 467-1608
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- Yes
- Enumeration Date
- 01-14-2026
- Last Update Date
- 01-14-2026
- Code Navigator
A primary care provider (PCP) like California Medical Clinic Of Inland Empire Inc. sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
General Practice
- Taxonomy Code
- 208D00000X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
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 | 207Q00000X | Allopathic & Osteopathic Physicians | Family Medicine |
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 1003774209, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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 51 is 60. 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1003774209, enumerated as an "organization" on January 14, 2026.
The provider is located at 402 E HOLT BLVD ONTARIO, CA 91761 and the phone number is (909) 467-1605.
General Practice with taxonomy code 208D00000X.
