DR. IVAN DELANO REES D.D.S.
NPI 1679874341
Dentist - Dentist Anesthesiologist in Orange, CA
NPI Status: Active since November 10, 2010
Contact Information
744 E CHAPMAN AVE
ORANGE, CA
ZIP 92866
Phone: (714) 538-5582
- Individual
- Male
- Dentist
- Dentist Anesthesiologist
About IVAN REES
This page provides the complete NPI Profile along with additional information for Ivan Rees, a provider established in Orange, California with a medical specialization in Dentist, focusing in dentist anesthesiologist . The healthcare provider is registered in the NPI registry with number 1679874341 assigned on November 2010. The practitioner's primary taxonomy code is 1223D0004X with license number GA1658 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1679874341
- Provider Name
- DR. IVAN DELANO REES D.D.S.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 744 E CHAPMAN AVE ORANGE, CA 92866
- Location Phone
- (714) 538-5582
- Mailing Address
- 25612 BARTON RD #168 LOMA LINDA, CA 92354
- Mailing Phone
- (951) 522-4090
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-10-2010
- Last Update Date
- 12-09-2025
- Code Navigator
A dentist like Ivan Rees is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
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
Dentist Dentist Anesthesiologist
- Taxonomy Code
- 1223D0004X
- Type
- Dental Providers
- License No.
- GA1658
- License State
- CA
- Taxonomy Description
- A dentist who has successfully completed an accredited postdoctoral anesthesiology residency training program for dentists of two or more years duration, in accord with Commission on Dental Accreditation's Standards for Dental Anesthesiology Residency Programs, and/or meets the eligibility requirements for examination by the American Dental Board of Anesthesiology.
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 | 122300000X | Dental Providers | Dentist | 62360 (CA) |
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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 1679874341, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).
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 79 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1679874341, enumerated as an "individual" on November 10, 2010.
The provider is located at 744 E CHAPMAN AVE ORANGE, CA 92866 and the phone number is (714) 538-5582.
Dentist with taxonomy code 1223D0004X and a focus in Dentist Anesthesiologist.
