WHITTIER ONCOLOGY MEDICAL CLINIC, INC.
NPI 1427101229
Clinic/Center - Oncology, Radiation in Whittier, CA
NPI Status: Active since January 18, 2007
Contact Information
12393 WASHINGTON BLVD
WHITTIER, CA
ZIP 90606
Phone: (562) 696-5964
Fax: (562) 693-6940
- Organization
- Clinic/Center
- Oncology, Radiation
About WHITTIER ONCOLOGY MEDICAL CLINIC, INC.
This page provides the complete NPI Profile along with additional information for Whittier Oncology Medical Clinic, Inc., a provider established in Whittier, California operating as a Clinic/center, focusing in oncology, radiation . The healthcare provider is registered in the NPI registry with number 1427101229 assigned on January 2007. The practitioner's primary taxonomy code is 261QX0203X with license number G62716 (CA). The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Dr. Kevin Diao Md (President)
- NPI
- 1427101229
- Provider Name
- WHITTIER ONCOLOGY MEDICAL CLINIC, INC.
- Entity Type
- Organization
- Location Address
- 12393 WASHINGTON BLVD WHITTIER, CA 90606
- Location Phone
- (562) 696-5964
- Location Fax
- (562) 693-6940
- Mailing Address
- 12393 WASHINGTON BLVD WHITTIER, CA 90606
- Mailing Phone
- (562) 696-5964
- Mailing Fax
- (562) 693-6940
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 01-18-2007
- Last Update Date
- 02-24-2026
- Code Navigator
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
Clinic/Center Oncology, Radiation
- Taxonomy Code
- 261QX0203X
- Type
- Ambulatory Health Care Facilities
- License No.
- G62716
- License State
- CA
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 | 261QX0203X | Ambulatory Health Care Facilities | Clinic/Center | G56388 (CA) |
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.
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 |
|---|---|---|---|
| ZZZ72741Z | MEDICAID (05) | CA | |
| ZZZ72741Z | OTHER (01) | CA | BLUE SHIELD |
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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 1427101229, 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 5 providers are registered at the same or a nearby location.
WHITTIER, CA 90606
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1427101229, enumerated as an "organization" on January 18, 2007.
The provider is located at 12393 WASHINGTON BLVD WHITTIER, CA 90606 and the phone number is (562) 696-5964.
Clinic/Center with taxonomy code 261QX0203X and a focus in Oncology, Radiation.
The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.
